CN216217512U

CN216217512U - Bluetooth earphone

Info

Publication number: CN216217512U
Application number: CN202122838124.5U
Authority: CN
Inventors: 陈文盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-05
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a Bluetooth earphone which comprises a shell, a moving iron loudspeaker unit, a silica gel sleeve and a moving coil loudspeaker unit, wherein the moving iron loudspeaker unit, the silica gel sleeve and the moving coil loudspeaker unit are arranged in the shell, the moving iron loudspeaker unit is installed on the moving coil loudspeaker unit, the silica gel sleeve is arranged between the moving iron loudspeaker unit and the moving coil loudspeaker unit, the moving iron loudspeaker unit, the silica gel sleeve and the moving coil loudspeaker unit divide the inner space of the shell into a front cavity and a rear cavity which are sealed, the front cavity is communicated with a sound outlet on the shell, a first air guide hole communicated with the front cavity and the rear cavity is arranged on the moving coil loudspeaker unit, a second air guide hole communicated with the rear cavity is further arranged on the shell, and the sound outlet, the front cavity, the first air guide hole, the rear cavity and the second air guide hole are sequentially communicated to form an air guide channel. The air guide channel is arranged in the shell, so that the appearance of the earphone is improved, and the difficulty of a shell mold is reduced.

Description

Bluetooth earphone

Technical Field

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

Background

Due to the rapid development of the smart phone, the rapid development of accessories of the smart phone is multiplied, wherein the Bluetooth headset is a mobile phone accessory which is commonly used in daily life.

Most of the currently marketed ear-hook type bluetooth headsets have the following disadvantages:

1. most of the in-ear Bluetooth earphones in the current market are provided with air guide channels, the purpose of the in-ear Bluetooth earphones is to reduce negative pressure feeling generated by air pressure in an ear canal, but the air guide channels are formed by inwards sinking the surface of a shell, so that the appearance of the shell is influenced, and the difficulty of a shell mold is increased;

2. most of the active noise reduction microphones and the loudspeaker units of the in-ear Bluetooth headset in the current market are not in the same direction and are arranged in a close and close manner, so that the moving iron loudspeaker unit falls off to influence the use;

3. most in-ear bluetooth headset antennas on the existing market are close to the battery directly over the battery, and the antenna is easily covered by the ear when worn simultaneously, resulting in bad signals and poor interference immunity.

SUMMERY OF THE UTILITY MODEL

Features and advantages of the utility model will be set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the utility model.

The utility model aims to provide a Bluetooth headset, which improves the appearance of the headset by arranging an air guide channel in a shell.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a bluetooth headset, includes the casing and locates moving iron horn unit, silica gel cover and moving coil horn unit in the casing, it installs to move iron horn unit on the moving coil horn unit, the silica gel cover is located between moving iron horn unit and the moving coil horn unit, it will to move iron horn unit, silica gel cover and moving coil horn unit casing inner space cuts apart into inclosed preceding cavity and back cavity, the first air guide hole of cavity and back cavity before preceding cavity and the casing on the moving coil horn unit, be equipped with the intercommunication on the moving coil horn unit, still be equipped with the second air guide hole with back cavity intercommunication on the casing, sound outlet, preceding cavity, first air guide hole, back cavity and second air guide hole communicate in proper order and form air guide channel.

The moving iron horn unit, the silica gel sleeve and the moving coil horn unit are arranged in parallel.

Still be equipped with the mounting groove on the moving coil loudspeaker unit, the silica gel cover is in move indisputable loudspeaker unit is last and install in the mounting groove.

Still be equipped with mainboard, battery and FPC board in the casing, mainboard and battery all are connected with the FPC board, be equipped with the antenna on the mainboard, be equipped with the five gold sheets on the battery.

The FPC board comprises a first connecting portion, a second connecting portion arranged below the first connecting portion, a third connecting portion, a fourth connecting portion, a fifth connecting portion and an extending portion, wherein the third connecting portion is used for connecting the first connecting portion with the side face of the second connecting portion, the fourth connecting portion extends out of the side face of the third connecting portion, the fifth connecting portion extends downwards from the side face of the fourth connecting portion and is L-shaped, the extending portion extends downwards from the side face of the second connecting portion, the fourth connecting portion and the fifth connecting portion are located between the first connecting portion and the second connecting portion, the first connecting portion is connected with the main board, and the battery is located between the first connecting portion and the second connecting portion and is connected with the fifth connecting portion.

The extension part is positioned between the silica gel sleeve and the moving coil loudspeaker unit and extends into the front cavity, and a microphone is arranged on the extension part.

An ear cap is arranged at the sound outlet.

The air guide channel is communicated with the ear canal and the outside of the ear canal, and the ear canal and the outside of the ear canal can be communicated by arranging the air guide channel, so that the air pressure inside and outside the ear is kept balanced, the negative pressure feeling generated by the air pressure in the ear canal is reduced, and the stethoscope effect worn by an earphone is improved. In addition, the air guide channel is arranged inside the shell, so that the appearance of the earphone is improved, and the difficulty of the shell mold is reduced.

Drawings

The advantages and realisation of the utility model will be more apparent from the following detailed description, given by way of example, with reference to the accompanying drawings, which are given for the purpose of illustration only, and which are not to be construed in any way as limiting the utility model, and in which:

FIG. 1 is a block diagram of a Bluetooth headset in an embodiment of the utility model;

FIG. 2 is an exploded view of a Bluetooth headset in an embodiment of the present invention;

FIG. 3 is a first internal structure diagram of a Bluetooth headset according to an embodiment of the present invention;

FIG. 4 is a second internal structure diagram of a Bluetooth headset according to an embodiment of the present invention;

FIG. 5 is a schematic view of an air guide channel in an embodiment of the present invention;

fig. 6 is a third internal structure diagram of the bluetooth headset in the embodiment of the present invention.

Detailed Description

As shown in fig. 1 and fig. 2, the bluetooth headset proposed in the embodiment of the present invention includes a pair of right and left headsets, and since the right and left headsets have the same structure, the following description will take the right headset as an example.

The bluetooth headset 100 comprises a shell, a moving-iron speaker unit 103, a silica gel sleeve 104, a moving-coil speaker unit 105, a main board 107, a battery 109 and an FPC board 110, wherein the moving-iron speaker unit 103, the silica gel sleeve 104, the moving-coil speaker unit 105, the main board 107, the battery 109 and the FPC board 110 are all arranged in the shell.

The housing includes a body 101 and a cover 102, the housing having an open end and a closed end, the cover 102 being located at the closed end of the housing. The body 101 is provided with a sound outlet 113 (i.e. the opening end of the casing is a sound outlet), and an ear cap 114 is arranged at the sound outlet 113.

The moving-iron horn unit 103 is installed on the moving-coil horn unit 105, the silica gel sleeve 104 is arranged between the moving-iron horn unit 103 and the moving-coil horn unit 105, and after the moving-iron horn unit 103 is installed on the moving-coil horn unit 105, the moving-iron horn unit 103, the silica gel sleeve 104 and the moving-coil horn unit 105 are installed in the shell.

As shown in fig. 3, the moving-iron horn unit 103, the silica gel sleeve 104, and the moving-coil horn unit 105 are arranged in parallel, and since a friction force exists between the silica gel sleeve 104 and the moving-iron horn unit 103 and between the silica gel sleeve 104 and the moving-coil horn unit 105, the moving-iron horn unit can be prevented from falling or being damaged by impact.

The moving-iron horn unit has one or more.

As shown in fig. 2 and 3, the moving coil horn unit 105 is further provided with an installation groove 106, and the silica gel sleeve 104 is sleeved on the moving iron horn unit 103 and is installed in the installation groove 106. Namely, the silica gel sleeve 104 is firstly installed on the moving-iron horn unit 103, then the moving-iron horn unit 103 with the silica gel sleeve 104 is installed in the installation groove 106, and then the moving-iron horn unit 103, the silica gel sleeve 104 and the moving-coil horn unit 105 are installed in the shell.

As shown in fig. 3 and 4, the moving-iron horn unit 103, the silica gel sleeve 104 and the moving-coil horn unit 105 divide the internal space of the housing into a front cavity 200 and a rear cavity 300, the front cavity 200 and the rear cavity 300 are both closed, the front cavity 200 is communicated with the sound outlet 113, the moving-coil horn unit 105 is provided with a first air guide hole 1051, the first air guide hole 1051 is used for communicating the front cavity 200 and the rear cavity 300, the body 101 of the housing is further provided with a second air guide hole 1011, the second air guide hole 1011 is communicated with the rear cavity 300, the sound outlet 113, the front cavity 200, the first air guide hole 1051, the rear cavity 300 and the second air guide hole 1011 are sequentially communicated to form an air guide channel, and a dotted line in fig. 5 represents an air guide channel. The air guide channel is communicated with the auditory canal and the outside of the auditory canal, the auditory canal and the outside of the auditory canal can be communicated by arranging the air guide channel, so that the air pressure inside and outside the ear is kept balanced, the negative pressure feeling generated by the air pressure in the auditory canal is relieved, and the stethoscope effect worn by the earphone is improved. In addition, the air guide channel is arranged inside the shell, so that the appearance of the earphone is improved, and the difficulty of the shell mold is reduced.

As shown in fig. 4 and 6, the main board 107, the battery 109 and the FPC board 110 are located in the rear cavity, the main board 107 and the battery 109 are connected to the FPC board 110, the antenna 108 is provided on the main board 107, and the gold tab 112 is provided on the battery 109. Separate battery 109 and antenna 108 and mainboard 107 through five gold sheets 112, avoid the antenna to receive the interference of components and parts such as battery, signal transmission is good when wearing, and interference immunity is better, promotes user experience.

As shown in fig. 2, in the present embodiment, the FPC board 110 includes a first connection portion 1101, a second connection portion 1102 disposed below the first connection portion 1101, a third connection portion 1103 connecting side surfaces of the first connection portion 1101 and the second connection portion 1102, a fourth connection portion 1104 extending from a side surface of the third connection portion 1103, a fifth connection portion 1105 extending downward from a side surface of the fourth connection portion 1104 and having an L shape, and an extension portion 1106 extending downward from a side surface of the second connection portion 1102, the first connection portion 1101 is substantially parallel to the second connection portion 1102, the fourth connection portion 1104 and the fifth connection portion 1105 are located between the first connection portion 1101 and the second connection portion 1102, the first connection portion 1101 is connected to the motherboard 107, and the battery 109 is located between the first connection portion 1101 and the second connection portion 1102 and connected to the fifth connection portion 1105. The five gold plate 112 is located between the battery 109 and the first connection portion 1101.

As shown in fig. 2 and 3, the extension 1106 is located between the silicone sleeve 104 and the groove wall of the mounting groove of the moving coil speaker unit, the extension 1106 further extends into the front cavity 200, and the microphone 111 is disposed on the extension 1106.

While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, those skilled in the art will appreciate that various modifications can be made to the present invention without departing from the scope and spirit of the utility model. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.

Claims

1. The utility model provides a bluetooth headset, includes the casing and locates moving iron horn unit, silica gel cover and moving coil horn unit in the casing, its characterized in that, it installs to move iron horn unit on the moving coil horn unit, the silica gel cover is located between moving iron horn unit and the moving coil horn unit, moving iron horn unit, silica gel cover and moving coil horn unit will the casing inner space is cut apart into inclosed preceding cavity and back cavity, the sound outlet intercommunication on preceding cavity and the casing, be equipped with the first air guide hole of the preceding cavity of intercommunication and back cavity on the moving coil horn unit, still be equipped with the second air guide hole that communicates with back cavity on the casing, sound outlet, preceding cavity, first air guide hole, back cavity and second air guide hole communicate in proper order and form air guide channel.

2. The bluetooth headset according to claim 1, wherein the moving-iron speaker unit, the silicone sleeve and the moving-coil speaker unit are arranged in parallel.

3. The bluetooth headset according to claim 1, wherein the moving-coil speaker unit is further provided with an installation groove, and the silica gel sleeve is sleeved on the moving-iron speaker unit and installed in the installation groove.

4. The bluetooth headset of claim 1, wherein a main board, a battery and a FPC board are further arranged in the housing, the main board and the battery are both connected with the FPC board, an antenna is arranged on the main board, and a hardware patch is arranged on the battery.

5. The bluetooth headset of claim 4, wherein the FPC board includes a first connecting portion, a second connecting portion disposed under the first connecting portion, a third connecting portion connecting the first connecting portion and a side surface of the second connecting portion, a fourth connecting portion extending from a side surface of the third connecting portion, an L-shaped fifth connecting portion extending downward from a side surface of the fourth connecting portion, and an extending portion extending downward from a side surface of the second connecting portion, the fourth connecting portion and the fifth connecting portion are located between the first connecting portion and the second connecting portion, the first connecting portion is connected to the main board, and the battery is located between the first connecting portion and the second connecting portion and connected to the fifth connecting portion.

6. The bluetooth headset according to claim 5, wherein the extension is located between the silicone sleeve and the moving coil speaker unit and extends into the front cavity, and a microphone is disposed on the extension.

7. The bluetooth headset of claim 1, wherein an ear cap is disposed at the sound outlet.