CN219761266U

CN219761266U - Pneumatic earphone

Info

Publication number: CN219761266U
Application number: CN202320816700.2U
Authority: CN
Inventors: 何向明; 张欢; 甘飞; 邵龙
Original assignee: Huizhou Jiashengde Electronic Co ltd
Current assignee: Huizhou Jiashengde Electronic Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-26
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a pneumatic earphone, which comprises a shell, a pneumatic unit, a sound outlet piece and an audio master seat, wherein the shell comprises a front shell and a rear shell, the front shell and the rear shell are buckled to form an installation space, the pneumatic unit and the audio master seat are arranged in the installation space, the audio master seat is arranged on one side of the pneumatic unit in a surrounding manner, the audio master seat is electrically connected with the pneumatic unit, the front shell is provided with a sound outlet channel, the sound outlet channel is communicated with the installation space, and the sound outlet piece is arranged in the sound outlet channel; the pneumatic unit and the audio master seat are arranged in parallel, so that the thickness of the pneumatic earphone is reduced, the volume is reduced, and the pneumatic earphone is convenient for a user to carry while the space utilization rate is enhanced.

Description

Pneumatic earphone

Technical Field

The utility model relates to the field of headphones, in particular to a pneumatic type headphone.

Background

Headphones are a common accessory of electronic products in people's daily lives, and are commonly used to play music or other audio files. Along with the improvement of living standard, the requirement of users on the earphone is not only functional, but also has higher requirements on the aspects of stereo function, three-frequency equalization and resolution. In order to meet the needs of users, in the prior art, the sound quality of the earphone is improved by adding an earphone driving unit, but the volume of the earphone is increased.

For example, chinese patent document CN204168471U discloses a multi-sound unit earphone, which comprises a left earphone, a right earphone, a bass sound unit, a middle sound unit, a treble sound unit and the like which are arranged in the earphone, and solves the defects of poor clarity, large distortion and inaccurate positioning caused by heavy burden of sound with a single sound unit of the earphone to emit audio full-frequency sound. When the earphone with multiple sound units is installed, the sound units with three sound frequencies are arranged in a delta-shaped arrangement, so that the earphone is large in size and inconvenient for users to store and carry.

Disclosure of Invention

Aiming at the defects of the prior art, a pneumatic earphone is provided.

In order to achieve the above purpose, the utility model provides a shell, a pneumatic unit, a sound outlet piece and an audio master seat, wherein the shell comprises a front shell and a rear shell, the front shell and the rear shell are buckled to form an installation space, the pneumatic unit and the audio master seat are arranged in the installation space, the audio master seat is arranged on one side of the pneumatic unit in a surrounding manner, the audio master seat is electrically connected with the pneumatic unit, the front shell is provided with a sound outlet channel, the sound outlet channel is communicated with the installation space, and the sound outlet piece is arranged in the sound outlet channel.

According to one embodiment of the utility model, the pneumatic unit comprises a magnetic assembly, a vibrating diaphragm assembly and a wiring board, wherein the magnetic assembly comprises a front magnetic guide plate, a magnetic guide ring, a rear magnetic guide plate and a magnetic piece, one surface of the front magnetic guide plate faces the front shell, the other surface of the front magnetic guide plate is attached to one end of the magnetic guide ring, the rear magnetic guide plate is attached to the other end of the magnetic guide ring, which is far away from the front magnetic guide plate, the magnetic piece is attached to one surface of the rear magnetic guide plate, the vibrating diaphragm assembly is arranged between the front magnetic guide plate and the rear magnetic guide plate, the wiring board is connected to one surface of the rear magnetic guide plate, which is away from the magnetic guide ring, the wiring board is electrically connected with the vibrating diaphragm assembly, and the wiring board is also electrically connected with the audio master seat.

According to an embodiment of the utility model, the air conditioner further comprises a rear cavity, wherein the rear cavity is connected to one end of the air-operated unit close to the rear shell, and the rear cavity is communicated with the inside of the air-operated unit.

According to one embodiment of the utility model, the diaphragm assembly comprises a diaphragm and a diaphragm fixing piece, and the diaphragm is arranged in the diaphragm fixing piece.

According to one embodiment of the utility model, the installation space comprises a main sound cavity and a side installation cavity, the side installation cavity is annularly arranged on one side of the main sound cavity, the pneumatic unit is arranged in the main sound cavity, and the audio female seat is arranged in the side installation cavity.

According to one embodiment of the utility model, the rear cavity is formed with a rear pressure relief hole, the front shell is formed with a front pressure relief hole, and the front pressure relief hole and the rear pressure relief hole are communicated with the installation space.

According to an embodiment of the present utility model, the pneumatic unit further includes a sound filtering cotton, the rear magnetic conductive plate is formed with a sound transmission hole, and the sound filtering cotton covers the sound transmission hole.

According to one embodiment of the utility model, the air conditioner further comprises tuning paper, and the tuning paper is arranged at one end of the air-operated unit, which is close to the front shell.

According to an embodiment of the utility model, the pressure relief device further comprises a tuning net, and the tuning net covers the front pressure relief hole and the rear pressure relief hole.

According to one embodiment of the present utility model, the magnetic member is made of Ru-Fe-B material.

The utility model has the beneficial effects that the pneumatic unit is arranged in the shell, the audio base is arranged on one side of the pneumatic unit in a surrounding way, so that the pneumatic unit and the audio base are arranged in parallel, the space utilization rate is enhanced, the thickness of the pneumatic earphone is reduced, the volume is reduced, and the pneumatic earphone is convenient for a user to carry.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of a pneumatic earphone in an embodiment;

FIG. 3 is an exploded view of the pneumatic earphone in an embodiment;

fig. 2 is a cross-sectional view of a pneumatic unit in an embodiment.

Description of the reference numerals

1-a housing; 2-pneumatic units; 3-a sound outputting piece; 4-an audio master base; 5-a rear cavity; 6-filtering sound cotton; 7-tuning paper; 8-tuning net; 11-a front shell; 12-a rear shell; 13-installation space; 21-a magnetic assembly; 22-a diaphragm assembly; 23-wiring boards; 51-a rear pressure relief hole; 111-out of track; 112-front pressure relief hole; 131-a main sound cavity; 132-side mounting cavity; 211-a front magnetically permeable plate; 212-magnetic ring; 213-rear magnetic plate; 214-magnetic member; 221-a diaphragm; 222-a diaphragm mount; 2131-sound transmission holes.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 and 2, fig. 1 is a perspective view of a pneumatic earphone, and fig. 2 is an exploded view of a pneumatic earphone unit. In this embodiment, a pneumatic earphone is provided, which includes a housing 1, a pneumatic unit 2, a sound emitting member 3 and an audio base 4. The housing 1 includes a front shell 11 and a rear shell 12, which are connected by a fastening manner in this embodiment, and the front shell 11 and the rear shell 12 form an installation space 13 after being fastened. The movable unit 2 and the audio female seat 4 are arranged in the installation space 13, and the audio female seat 4 is annularly arranged on one side of the movable unit 2. Specifically, one end of the air-operated unit 2 is disposed near the front case 11, and the other end thereof is disposed near the rear case 12, so that the air-operated unit 2 is entirely located in the installation space 13. The audio female seat 4 is arranged on one side of the pneumatic unit 2 in a surrounding manner, and the audio female seat 4 is electrically connected with the pneumatic unit 2, so that audio signals are input and output.

In order to enhance the utilization rate of the internal space of the shell 1, the installation space 13 is divided into a main sound cavity 131 and a side installation cavity 132, the side installation cavity 132 is annularly arranged on one side of the main sound cavity 131, the pneumatic unit 2 is arranged in the main sound cavity 131, the audio master seat 4 is arranged in the side installation cavity 132, and the pneumatic unit 2 and the audio master seat 4 are arranged in parallel to reduce the thickness.

Specifically, the main sound chamber 131 communicates with the side mounting chamber 132, and the air-operated unit 2 is mounted in the main sound chamber 131 and disposed near one end of the front case 11. The audio female seat 4 is located in the side mounting cavity 132, and one end of the audio female seat 4 is connected with the pneumatic unit 2 through a wire, so that the electrical connection between the audio female seat 4 and the pneumatic unit 2 is realized, and the other end of the audio female seat 4 is exposed outside the shell 1, so that the audio female seat is convenient to be connected with the outside.

A sound outlet passage 111 is formed in the front case 11, and the sound outlet passage 111 communicates with the installation space 13. Specifically, one end of the sound outlet channel 111 is connected to the installation space 13, and the other end is communicated with the outside of the housing 1. The air-operated unit 2 is located in the installation space 13, and when the air-operated unit 2 sounds, the sound is transmitted outside the housing 1 through the sound outlet channel 111.

The sound outlet 3 is mounted in the sound outlet channel 111. In this embodiment, one end of the sound emitting member 3 is connected to the front shell 11 by a threaded connection, the other end of the sound emitting member is exposed outside the housing 1, and the interior of the sound emitting member 3 is communicated with the sound emitting channel 111. When in use, one end of the sound outlet piece 3 far away from the front shell 11 extends into the auditory canal, sound is emitted from the earphone unit and is transmitted to the sound outlet piece 3 through the sound outlet channel 111, and finally is transmitted into the human ear from the sound outlet piece 3. In the present embodiment, the end of the sound outlet member 3 connected to the outside is also covered with a net for preventing foreign matters from entering the inside of the housing 1.

Referring to fig. 2 and 3, the air-operated unit 2 includes a magnetic component 21, a diaphragm component 22 and a wiring board 23. The magnetic assembly 21 includes a front magnetic conductive plate 211, a magnetic conductive ring 212, a rear magnetic conductive plate 213, and a magnetic member 214. One surface of the front magnetic conductive plate 211 faces the front shell 11, the other surface of the front magnetic conductive plate is attached to one end of the magnetic conductive ring 212, the rear magnetic conductive plate 213 is attached to the other end of the magnetic conductive ring 212 away from the front magnetic conductive plate 211, the magnetic piece 214 is attached to one surface of the rear magnetic conductive plate 213 facing the magnetic conductive ring 212, and the diaphragm assembly 22 is arranged between the front magnetic conductive plate 211 and the rear magnetic conductive plate 213.

In this embodiment, an adhesive such as a special glue is used to adhere one side of the front magnetic plate 211 to one end of the magnetic ring 212 and the rear magnetic plate 213 to the other end of the magnetic ring 212. Since the side wall of the magnetic conductive ring 212 has a certain height, the front magnetic conductive plate 211 and the rear magnetic conductive plate 213 form an installation space 13 therebetween after adhesion. The magnetic member 214 is bonded to one side of the magnetic ring 212 facing the magnetic ring 212 such that the magnetic member 214 is positioned in the installation space 13. The diaphragm assembly 22 is also arranged in the mounting space 13, so that the space inside the magnetic ring 212 is fully utilized, the space utilization rate is improved, and the thickness of the pneumatic unit 2 is smaller, so that the whole volume of the pneumatic earphone is reduced.

In addition, the magnetic member 214 is made of a Ru-Fe-B material, and the magnetic member 214 is formed as an integral sheet. Thus, the thickness of the magnetic member 214 is reduced, and meanwhile, the strong magnetism of the magnetic member is ensured, so that the frequency response range of the earphone is effectively improved, and the frequency response of low frequency, medium frequency and high frequency is balanced.

The wiring board 23 is connected to a surface of the rear magnetic conductive plate 213 facing away from the magnetic conductive ring 212, and the wiring board 23 is electrically connected to the diaphragm assembly 22, specifically, the wiring board 23 is electrically connected to the diaphragm assembly 22 by using a wire. One end of the wire is welded to the diaphragm assembly 22, and the other end of the wire is welded to the wiring board 23. After conducting electricity, the magnetic component 21 generates a changed magnetic loop, and the diaphragm component 22 vibrates in the magnetic loop and sounds, so that the electric signal is converted into a sound signal.

The vibrating diaphragm assembly 22 is located in the magnetic circuit, and the magnetic assembly 21 effectively controls the vibrating diaphragm assembly 22, so that the sensitivity of the earphone is improved.

In addition, the wiring board 23 is also electrically connected with the audio master seat 4, and the input and output of the earphone to the audio signal are realized through the audio master seat 4.

The diaphragm assembly 22 includes a diaphragm 221 and a diaphragm 222, and the diaphragm 221 is mounted in the diaphragm 222. Specifically, the opposite ends of the diaphragm 221 are fixed in the diaphragm 222, so that the diaphragm 221 is not displaced in the magnetic assembly 21 when vibrating to sound. Also in the present embodiment, the folded diaphragm 221 is used, the occupied space of the diaphragm 221 itself is reduced, and the density of sound is more maintained, so that the performance in medium and high frequencies is excellent.

The pneumatic unit 2 further comprises a sound filter 6, and the sound filter 6 is arranged on the rear magnetic conductive plate 213. Specifically, the rear magnetic plate 213 is formed with a sound transmission hole 2131, and the sound transmission hole 2131 is covered with the sound filter 6.

In this example, the sound transmission hole 2131 is located in the middle of the rear magnetic plate 213, and the sound generated by the vibration of the diaphragm 221 passes through the sound transmission hole 2131 and out of the magnetic assembly. In order to improve the tone quality, a filter cotton 6 is covered on the sound transmission hole 2131 to play a role in filtering noise and improve the distortion problem.

In addition, the air-powered earphone in this embodiment further includes a rear chamber 5 connected to an end of the air-powered unit 2 near the rear case 12, and the rear chamber 5 communicates with the inside of the air-powered unit 2.

Specifically, the rear cavity 5 covers an end of the wiring board 23 facing away from the rear magnetic plate 213. An opening is formed in the middle of the wiring board 23. When the wiring board 23 is attached to one end of the rear magnetic conductive plate 213 facing away from the magnetic conductive ring 212, the opening of the wiring board 23 is communicated with the sound transmission hole 2131. The rear cavity 5 covers the opening, and sound is transmitted from the sound transmission hole 2131 to the rear cavity 5 through the wiring board 23, and resonates through the rear cavity 5, so that the sound quality of the earphone is improved.

In addition, the rear chamber 5 is formed with a rear relief hole 51, and correspondingly, the front case 11 is formed with a front relief hole 112, and the front relief hole 112 and the rear relief hole 51 communicate with the installation space 13.

Specifically, the rear relief hole 51 is provided in the middle of the rear chamber 5, and the rear relief hole 51 communicates with the inside of the pneumatic unit 2. Sound is transmitted from the pneumatic unit 2 into the rear chamber 5, through the rear relief holes 51, lowering the high pressure area of the rear chamber 5.

The front pressure release hole 112 is provided on the front case 11, and the front pressure release hole 112 communicates with the outside of the case 1, so that air can freely enter and exit the front cavity. When the user wears the earphone, the front pressure release hole 112 keeps the front cavity air pressure consistent with the outside, and reduces the internal pressure of the earphone. The comfort level of the user wearing the earphone is ensured while the bass effect of the earphone is improved.

The pneumatic earphone unit in this embodiment further includes a tuning net 8, and the tuning net 8 covers the front pressure release hole 112 and the rear pressure release hole 51, respectively. The ventilation quantity of the front pressure relief hole 112 and the rear pressure relief hole 51 can be changed by changing the tuning net 8 with different densities, so that the tuning effect is achieved, and the tone quality of the pneumatic earphone is improved.

Further, a tuning paper 7 is included, and the tuning paper 7 is disposed at one end of the front magnetic plate 211 near the front case 11. In this embodiment, the tuning paper 7 is covered on one surface of the front magnetic conductive plate 211 near the front case 11. The tone tuning paper 7 has air permeability and has a filtering effect on sound. The sound is transmitted to the sound outlet channel 111 after passing through the tone tuning paper 7, so that the resolving power is improved, and the sound effect of the earphone is adjusted.

In summary, the utility model provides a pneumatic earphone, in which the audio female base 4 is annularly disposed at one side of the pneumatic unit, so that the two units are arranged in parallel, the space utilization is enhanced, and the thickness of the pneumatic earphone is reduced.

Next, the front magnetic conductive plate 211 and the rear magnetic conductive plate 213 are respectively attached to two ends of the magnetic conductive ring 212, so that the front magnetic conductive plate 211 and the rear magnetic conductive plate 213 form an installation space 13, and the diaphragm assembly 22 and the magnetic member 214 are both accommodated in the installation space 13. By this arrangement, the space inside the magnetic ring 212 is fully utilized, so that the thickness of the pneumatic unit 2 is smaller, and the sensitivity is improved.

The pneumatic earphone further comprises a front pressure relief hole 112 and a rear pressure relief hole 51, and a tuning net 8 is covered on the front pressure relief hole and the rear pressure relief hole, meanwhile, tuning paper 7 is covered on the front magnetic conduction plate 211, and sound filtering cotton 6 is arranged on the rear magnetic conduction plate 213 to tune the earphone in multiple directions. The earphone has the advantages that the volume of the earphone is reduced, the tone quality of the earphone is ensured, the sound density of the earphone is reserved, and better resolving power is achieved through tuning.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. A pneumatic earphone, comprising: casing (1), pneumatic unit (2), play sound spare (3) and female seat of audio frequency (4), casing (1) are including preceding shell (11) and backshell (12), preceding shell (11) with backshell (12) lock forms installation space (13) after the two lock, pneumatic unit (2) with female seat of audio frequency (4) are all located in installation space (13), just female seat of audio frequency (4) are encircled and are located one side of pneumatic unit (2), female seat of audio frequency (4) with pneumatic unit (2) electric connection, preceding shell (11) are formed with play sound track (111), play sound track (111) with installation space (13) are linked together, play sound spare (3) install in play sound track (111).

2. Pneumatic earphone according to claim 1, characterized in that the pneumatic unit (2) comprises a magnetic component (21), a vibrating diaphragm component (22) and a wiring board (23), the magnetic component (21) comprises a front magnetic conducting plate (211), a magnetic conducting ring (212), a rear magnetic conducting plate (213) and a magnetic piece (214), one surface of the front magnetic conducting plate (211) faces the front shell (11), the other surface of the front magnetic conducting plate (211) is attached to one end of the magnetic conducting ring (212), the rear magnetic conducting plate (213) is attached to the other end, far away from the front magnetic conducting plate (211), of the magnetic conducting ring (212), the magnetic piece (214) is attached to one surface, facing the rear magnetic conducting plate (213), of the magnetic conducting ring (212), the vibrating diaphragm component (22) is arranged between the front magnetic conducting plate (211) and the rear magnetic conducting plate (213), the wiring board (23) is connected to one surface, facing away from the rear magnetic conducting plate (213), of the wiring board (23) is also electrically connected to the wiring board (23), and the wiring board (23) is electrically connected to the vibrating diaphragm (4).

3. Pneumatic earphone according to claim 1, characterized in that it further comprises a rear cavity (5), said rear cavity (5) being connected to an end of the pneumatic unit (2) close to the rear housing (12), and said rear cavity (5) being in communication with the inside of the pneumatic unit (2).

4. The aerodynamic earphone of claim 2, wherein the diaphragm assembly (22) comprises a diaphragm (221) and a diaphragm mount (222), the diaphragm (221) being mounted in the diaphragm mount (222).

5. Pneumatic earphone according to claim 1, characterized in that the mounting space (13) comprises a main sound cavity (131) and a side mounting cavity (132), the side mounting cavity (132) is arranged on one side of the main sound cavity (131) in a ring, the pneumatic unit (2) is arranged in the main sound cavity (131), and the audio master seat (4) is arranged in the side mounting cavity (132).

6. A pneumatic earphone as claimed in claim 3, wherein the rear cavity (5) is formed with a rear pressure relief hole (51), the front housing (11) is formed with a front pressure relief hole (112), and both the front pressure relief hole (112) and the rear pressure relief hole (51) are in communication with the installation space (13).

7. The pneumatic earphone according to claim 2, wherein the pneumatic unit (2) further comprises a sound filtering cotton (6), the rear magnetic conductive plate (213) is formed with a sound transmission hole (2131), and the sound filtering cotton (6) covers the sound transmission hole (2131).

8. The pneumatic earphone according to claim 1, further comprising a tuning paper (7), the tuning paper (7) being provided at an end of the pneumatic unit (2) close to the front housing (11).

9. The pneumatic earphone of claim 6, further comprising a tuning net (8), the tuning net (8) covering the front relief hole (112) and the rear relief hole (51).

10. A pneumatic earphone according to claim 2, wherein the magnetic member (214) is made of a ru-fe-b material.