CN221043193U

CN221043193U - Micro loudspeaker earphone

Info

Publication number: CN221043193U
Application number: CN202323050649.8U
Authority: CN
Inventors: 姜辰; 龙奇玉; 曾玲
Original assignee: Dongguan Weiren Precision Electronics Co ltd
Current assignee: Dongguan Weiren Precision Electronics Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-05-28
Anticipated expiration: 2033-11-13

Abstract

The utility model relates to the technical field of micro-speakers and provides a micro-speaker earphone which comprises a support and a rear shell, wherein one side of the top of the support is fixedly provided with the rear shell, a PCB circuit board is arranged in the rear shell, one end of the PCB circuit board is provided with a supporting structure, a magnet is arranged in the supporting structure, the bottom end of the magnet is provided with a sound membrane structure, the sound membrane structure comprises an inner ring membrane, an intermediate ring membrane, an outer ring membrane and a reinforcing rib, the inner ring membrane is arranged at the bottom end of the magnet, and the outer side of the inner ring membrane is provided with the intermediate ring membrane. According to the utility model, the sound membrane structure is arranged, the middle ring membrane is arranged between the inner ring membrane and the outer ring membrane, the middle ring membrane is in an arc shape and faces the magnet after being opened in an arc shape, and the middle ring membrane can be pulled to elastically deform through the earphone voice coil outside the inner ring membrane, so that the middle ring membrane vibrates and transmits an audio electric signal out, and the rigidity of the sound membrane can be increased and the audio can be improved through the reinforcing ribs, so that the output quality of the audio is improved.

Description

Micro loudspeaker earphone

Technical Field

The utility model relates to the technical field of micro speakers, in particular to a micro speaker earphone.

Background

Headphones are devices that can be worn over the ear to deliver audio signals to the auditory organ. It typically consists of one or more speakers, earpieces or earpieces, connecting wires and control buttons. The earphone can be used for personal entertainment, work, study, communication and the like, and the micro-speaker earphone is a device capable of converting electric energy into acoustic energy, so that the earphone is smaller and has stronger function.

For this reason, patent publication No. CN215121124U discloses a speaker for headphones, which is a technology related to a duct structure of a speaker unit for headphones, in which a duct space is formed by a frame member located at the rear of the speaker unit, and a space required for an acoustic duct is integrally formed, thereby easily performing tuning related to acoustic functions and minimizing acoustic deviation caused by assembly.

Above-mentioned speaker for earphone is in the use sound circle direct with the sound membrane contact, leads to the sound membrane vibration unbalance to lead to tone quality distortion, and the sound membrane does not set up additional strengthening, and the sound membrane lacks the rigidity, and makes the sound membrane reduce and extends high frequency to the quality of audio output has been reduced.

Disclosure of utility model

First, the technical problem to be solved

The utility model aims to provide a micro-speaker earphone which is used for solving the defects that the existing speaker sound membrane for the earphone lacks rigidity and the extension high frequency is reduced.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a micro speaker earphone comprises a bracket and a rear shell;

A rear shell is fixed on one side of the top of the support, a PCB circuit board is arranged in the rear shell, a supporting structure is arranged at one end of the PCB circuit board, a magnet is arranged in the supporting structure, a sound membrane structure is arranged at the bottom end of the magnet, the sound membrane structure comprises an inner ring membrane, an intermediate ring membrane, an outer ring membrane and reinforcing ribs, the inner ring membrane is arranged at the bottom end of the magnet, the intermediate ring membrane is arranged on the outer side of the inner ring membrane, the outer ring membrane is arranged on the outer side of the intermediate ring membrane, and the reinforcing ribs are uniformly arranged on the surface of the intermediate ring membrane;

An earphone voice coil is fixed at the top end of the inner annular membrane, and a voice coil lead is arranged in the earphone voice coil;

The bottom of outer loop membrane is provided with preceding shell, one side of preceding shell is fixed with out the sound pipe, the inside of preceding shell is fixed with out the sound hole.

Preferably, the supporting structure comprises a basin frame, a basin cavity, a through hole and a sound transmission hole, wherein the basin frame is arranged on one side of the PCB, the basin cavity is fixed at the top end of the basin frame, the through hole is arranged at the middle position of the top end of the basin cavity, and the sound transmission hole is uniformly arranged at the corner position of the top end of the basin frame.

Preferably, a magnet is fixed in the pelvic cavity, a through hole is formed in the magnet, and the through hole is communicated with the through hole in the magnet.

Preferably, the sound transmission holes are provided with four groups, and the sound transmission holes are distributed at equal intervals at the top end of the basin frame.

Preferably, the middle ring membrane is arc-shaped, the arc opening of the middle ring membrane faces the magnet, and the top end of the outer ring membrane is fixedly connected with the bottom end of the basin frame.

Preferably, the reinforcing ribs are in a strip shape, and the reinforcing ribs are uniformly distributed on the surface of the middle ring membrane in a divergent manner from the inner ring membrane to the outer ring membrane.

Preferably, the top end of the earphone voice coil is abutted against the inner wall of the pelvic cavity, one end of the voice coil lead wire is electrically connected with the inner wall of the earphone voice coil, and the other end of the voice coil lead wire penetrates through the magnet and the through hole and is electrically connected with the PCB circuit board.

(III) beneficial effects

The utility model provides a micro speaker earphone, which has the advantages that:

Through being provided with bearing structure, be provided with the through-hole with the inside of magnetite, the through-hole is linked together with the inside through-hole of magnetite, the magnetite sets up in the inside of pelvis, pass through-hole and magnetite and PCB circuit board electric connection with the one end of voice coil lead wire, the other end of voice coil lead wire directly connects on the inner loop membrane, can promote the equilibrium degree of sound membrane, reduce the unbalanced distortion that leads to of vibration, can not increase the weight of sound membrane vibration system simultaneously, improved the tone quality reduction degree of earphone greatly;

Through being provided with sound membrane structure, be provided with the zhonghuan membrane between inner ring membrane and the outer loop membrane, the zhonghuan membrane is circular-arc and circular arc and opens the back towards magnetite, can stimulate zhonghuan membrane elastic deformation through the outer earphone voice coil loudspeaker voice coil of inner ring membrane, and then make zhonghuan membrane produce the vibration, pass out the audio signal, through being provided with the strengthening rib, can increase the rigidity of sound membrane, can improve the audio again to improve the output quality of audio frequency.

Drawings

FIG. 1 is a schematic view of a three-dimensional explosive structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional exploded structure of a loudspeaker according to the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a support structure according to the present utility model;

FIG. 4 is a schematic three-dimensional view of the sound membrane structure of the present utility model;

Fig. 5 is a schematic three-dimensional structure of the present utility model.

Reference numerals in the drawings illustrate: 1. a bracket; 2. a rear case; 3. a PCB circuit board; 4. a support structure; 401. a basin stand; 402. a pelvic cavity; 403. a through hole; 404. a sound transmission hole; 5. a magnet; 6. a sound membrane structure; 601. an inner annular membrane; 602. middle ring membrane; 603. an outer annular membrane; 604. reinforcing ribs; 7. earphone voice coil; 8. a voice coil lead; 9. a front shell; 10. a sound outlet pipe; 11. and a sound outlet hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the utility model provides a micro speaker earphone, which comprises a bracket 1 and a rear housing 2.

Referring to fig. 1-3, a rear housing 2 is fixed on one side of the top of a support 1, a PCB circuit board 3 is arranged in the rear housing 2, a supporting structure 4 is arranged at one end of the PCB circuit board 3, the supporting structure 4 comprises a basin frame 401, a basin cavity 402, a through hole 403 and a sound transmission hole 404, the basin frame 401 is arranged on one side of the PCB circuit board 3, the top end of the basin frame 401 is fixed with the basin cavity 402, the through hole 403 is arranged at the middle position of the top end of the basin cavity 402, the sound transmission hole 404 is uniformly arranged at the corner position of the top end of the basin frame 401, a magnet 5 is fixed in the interior of the basin cavity 402, the through hole 403 is communicated with the through hole in the magnet 5, four groups of sound transmission holes 404 are arranged at the top end of the basin frame 401, and the magnet 5 is arranged in the supporting structure 4.

The inside with magnetite 5 is provided with the through-hole, and through-hole 403 is linked together with the inside through-hole of magnetite 5, and magnetite 5 sets up in the inside of pelvis 402, passes through-hole 403 and magnetite 5 with the one end of voice coil lead 8 and PCB circuit board 3 electric connection, and the other end of voice coil lead 8 directly switches on inner loop membrane 601, can promote the equilibrium degree of sound membrane, reduces the unbalanced distortion that leads to of vibration, can not increase the weight of sound membrane vibration system simultaneously, has improved the tone quality reduction degree of earphone greatly.

Referring to fig. 2, fig. 4 and fig. 5, the bottom of magnetite 5 is provided with sound membrane structure 6, sound membrane structure 6 includes inner ring membrane 601, middle ring membrane 602, outer ring membrane 603 and strengthening rib 604, inner ring membrane 601 sets up in the bottom of magnetite 5, the outside of inner ring membrane 601 is provided with middle ring membrane 602, the outside of middle ring membrane 602 is provided with outer ring membrane 603, evenly be provided with strengthening rib 604 on the surface of middle ring membrane 602, middle ring membrane 602 is circular-arc, the circular-arc opening of middle ring membrane 602 is towards magnetite 5, the top of outer ring membrane 603 and the bottom fixed connection of basin frame 401, strengthening rib 604 is the strip, strengthening rib 604 is by inner ring membrane 601 to outer ring membrane 603 divergent evenly distributed on the surface of middle ring membrane 602, the top of inner ring membrane 601 is fixed with earphone voice coil 7, the top of earphone voice coil 7 is inconsistent with the inner wall of magnetite 402, the inside of earphone 7 is provided with middle ring membrane 8, the one end and the inner wall electric connection of earphone voice coil 7 of voice coil 8, the other end of voice coil 8 passes 5 and through-hole 403 and circuit board 3 electric connection, the bottom of outer ring membrane 603 is provided with preceding shell 9, preceding shell 9 is provided with preceding shell 9, preceding shell 10 is fixed with outside sound tube 10, preceding shell 10 is gone out to the inside of the fixed shell, outside of the loudspeaker voice coil tube is equipped with the inside of the loudspeaker voice coil tube is equipped with.

Be provided with middle ring membrane 602 between inner ring membrane 601 and the outer loop membrane 603, middle ring membrane 602 is circular-arc and circular arc and opens the back towards magnetite 5, can stimulate middle ring membrane 602 elastic deformation through the outer earphone voice coil 7 of inner ring membrane 601, and then makes middle ring membrane 602 produce the vibration, and outgoing audio signal can increase the rigidity of sound membrane through being provided with strengthening rib 604 to can improve the audio again, thereby improve the output quality of audio.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A micro speaker earphone comprises a bracket (1) and a rear shell (2);

the method is characterized in that:

One side at support (1) top is fixed with backshell (2), the inside of backshell (2) is provided with PCB circuit board (3), the one end of PCB circuit board (3) is provided with bearing structure (4), the inside of bearing structure (4) is provided with magnetite (5), the bottom of magnetite (5) is provided with sound membrane structure (6), sound membrane structure (6) include inner ring membrane (601), middle ring membrane (602), outer ring membrane (603) and strengthening rib (604), inner ring membrane (601) set up in the bottom of magnetite (5), the outside of inner ring membrane (601) is provided with middle ring membrane (602), the outside of middle ring membrane (602) is provided with outer ring membrane (603), evenly be provided with strengthening rib (604) on the surface of middle ring membrane (602).

An earphone voice coil (7) is fixed at the top end of the inner ring film (601), and a voice coil lead (8) is arranged in the earphone voice coil (7);

The bottom of outer loop membrane (603) is provided with preceding shell (9), one side of preceding shell (9) is fixed with play sound pipe (10), the inside of preceding shell (9) is fixed with play sound hole (11).

2. A micro-speaker headset according to claim 1, wherein: the supporting structure (4) comprises a basin frame (401), a basin cavity (402), a through hole (403) and a sound transmission hole (404), wherein the basin frame (401) is arranged on one side of the PCB circuit board (3), the top end of the basin frame (401) is fixedly provided with the basin cavity (402), the through hole (403) is arranged at the middle position of the top end of the basin cavity (402), and the sound transmission hole (404) is uniformly arranged at the corner position of the top end of the basin frame (401).

3. A micro-speaker headset according to claim 2, wherein: the inside of pelvis (402) is fixed with magnetite (5), the inside of magnetite (5) is provided with the through-hole, through-hole (403) are linked together with the inside through-hole of magnetite (5).

4. A micro-speaker headset according to claim 2, wherein: the sound transmission holes (404) are arranged in four groups, and the sound transmission holes (404) are distributed at equal intervals at the top end of the basin frame (401).

5. A micro-speaker headset according to claim 1, wherein: the middle ring membrane (602) is arc-shaped, the arc opening of the middle ring membrane (602) faces the magnet (5), and the top end of the outer ring membrane (603) is fixedly connected with the bottom end of the basin frame (401).

6. A micro-speaker headset according to claim 1, wherein: the reinforcing ribs (604) are strip-shaped, and the reinforcing ribs (604) are uniformly distributed on the surface of the middle ring membrane (602) from the inner ring membrane (601) to the outer ring membrane (603) in a divergent mode.

7. A micro-speaker headset according to claim 1, wherein: the top of earphone voice coil (7) is inconsistent with the inner wall of pelvic cavity (402), the one end and the inner wall electric connection of earphone voice coil (7) of voice coil lead wire (8), the other end of voice coil lead wire (8) passes magnetite (5) and through-hole (403) and PCB circuit board (3) electric connection.