CN218734962U

CN218734962U - Hearing aid RIC module comprising moving coil loudspeaker

Info

Publication number: CN218734962U
Application number: CN202223115694.2U
Authority: CN
Inventors: 李梁
Original assignee: Shenzhen Bellsing Acoustic Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-24
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a audiphone technical field specifically is a audiphone RIC module that contains moving coil speaker, including the presetting signal line, the one end of presetting signal line is fixed with connecting plug, the other end of presetting signal line is fixed with the pleasant formula generating element, the pleasant formula generating element includes metal casing, the bottom of metal casing is provided with the buckle structure who supplies to be connected with the presetting signal line, the top of metal casing is provided with acoustics coupling mechanism, be provided with the moving coil unit in the metal casing; the utility model discloses a front end at the moving coil speaker sets up the acoustics coupling chamber to atmospheric pressure balance hole is seted up to the outer wall on metal casing, improves the acoustics performance of moving coil speaker, through setting up the cerumen net in acoustics coupling chamber, can prevent that outside dust from getting into the moving coil speaker, can prolong the life of moving coil speaker through this mode, sets up the metal casing of butt-joint formula simultaneously.

Description

Hearing aid RIC module comprising moving coil loudspeaker

Technical Field

The utility model relates to a audiphone technical field specifically is a audiphone RIC module that contains moving coil speaker.

Background

The RIC module is mainly applied to hearing aids and real wireless Bluetooth earphones, the traditional RIC module mainly uses a moving-iron type loudspeaker, the falling resistance and the mechanical shock resistance of the traditional RIC module are not high enough, and therefore the moving-coil type loudspeaker is mainly adopted in the prior art.

Chinese patent CN103581807B discloses a moving-coil loudspeaker, comprising: the protecting cover is provided with a bearing platform. And the voice film component comprises a vibrating film and a hollow voice coil, the vibrating film is arranged on the bearing platform, and the voice coil is arranged on the vibrating film. Magnetic flux subassembly, including hollow support, hollow china department, hollow annular magnet, T iron, PCB board, the support embedding the protecting cover, just the edge of support with the periphery of vibrating diaphragm offsets, the support with the gap of protecting cover is equipped with the rubber ring, annular magnet installs through china department on the support, the support with china department integration, T iron inlays in annular magnet, the voice coil loudspeaker voice coil is located in the clearance of annular magnet and T iron, china department, annular magnet, T iron constitute the magnetic circuit, and the PCB board is installed and is kept away from at T iron annular magnet's one end. And the sound mixing paper is installed between the PCB and the T iron.

This kind of moving coil loudspeaker does not set up acoustics coupling cavity structure, and acoustics performance is optimized inadequately, and the shell bottom structure is not convenient for and signal line firm connection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a audiphone RIC module that contains moving coil speaker to current moving coil speaker acoustic performance who mentions in solving the background art optimizes inadequately, speaker body and signal line when being connected firm problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a audiphone RIC module including moving coil speaker, includes the presetting signal line, the one end of presetting signal line is fixed with connecting plug, the other end of presetting signal line is fixed with the pleasant formula generating element, the pleasant formula generating element includes metal casing, the bottom of metal casing is provided with the buckle structure that supplies to be connected with the presetting signal line, the top of metal casing is provided with acoustics coupling mechanism, be provided with the moving coil unit in the metal casing.

Preferably, the acoustic coupling mechanism comprises a tower-shaped fixing piece, an inner cavity of the fixing piece forms an acoustic coupling cavity, and an earwax mesh is fixed in the acoustic coupling cavity.

Preferably, the moving coil unit includes a vibrating diaphragm, a casing is fixed in the metal casing, a through hole is formed in the top of the casing, the through hole is located below the acoustic coupling cavity, the vibrating diaphragm is fixed at the top of the casing, a T iron is fixed in the casing, an annular magnet is sleeved outside the T iron, and an annular pole piece is arranged above the annular magnet.

Preferably, the moving coil unit still includes the tuning net, the T iron is the cavity setting, the bottom at the T iron is fixed to the tuning net, the inner chamber intercommunication of tuning net and T iron, the tuning net is located the vibrating diaphragm under, the outside chucking of pole piece has the basin frame, one side and the casing of basin frame splice, the bottom of T iron is fixed with the PCB board through the screw.

Preferably, the metal shell comprises a first RIC shell and a second RIC shell, the first RIC shell and the second RIC shell are buckled with each other, and air pressure balance holes are formed in the outer walls of the first RIC shell and the second RIC shell.

Preferably, buckle structure includes the stopper, the through-wire groove has been seted up at the middle part of stopper, the bottom of stopper is provided with integrated into one piece's spool, the spool card is between RIC shell one and RIC shell two.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a front end at the moving coil speaker sets up the acoustics coupling chamber, simulate human duct, and the atmospheric pressure balance hole is seted up to the outer wall on metal casing, improve the acoustics performance of moving coil speaker, through setting up the cerumen net in acoustics coupling chamber, can prevent that outside dust from getting into the moving coil speaker, can prolong the life of moving coil speaker through this mode, set up the metal casing of butt-joint formula simultaneously, and set up buckle structure in the bottom of speaker, can strengthen the joint strength between speaker unit and acoustics coupling chamber and the signal line.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic structural view of an in-ear generating unit according to the present invention;

FIG. 3 is a schematic view of the position of the pole piece of the present invention;

fig. 4 is a schematic cross-sectional view of the present invention;

fig. 5 is an external structural view of the present invention;

fig. 6 is an exploded view of the cerumen net and the fixing member according to the present invention.

In the figure: 1. a pre-shaped signal line; 2. a connecting plug; 3. an in-ear generating unit; 4. a metal housing; 5. a buckle structure; 6. an acoustic coupling mechanism; 8. a moving coil unit; 601. a fixing member; 602. an acoustic coupling cavity; 603. an earwax net; 801. vibrating diaphragm; 802. a housing; 803. a through hole; 804. t iron; 805. a magnet; 806. pole pieces; 807. a tuning net; 808. a basin stand; 809. a PCB board; 401. a first RIC shell; 402. a second RIC shell; 403. an air pressure balancing hole; 501. a limiting block; 502. a through wire groove; 503. a conduit.

Detailed Description

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

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a audiphone RIC module including moving coil speaker, includes preset signal line 1, and preset signal line 1's one end is fixed with connecting plug 2, and preset signal line 1's other end is fixed with in-ear formula generating element 3, and in-ear formula generating element 3 includes metal casing 4, and metal casing 4's bottom is provided with and supplies the buckle structure 5 that is connected with preset signal line 1, and metal casing 4's top is provided with acoustics coupling mechanism 6, is provided with moving coil unit 8 in the metal casing 4.

The acoustic coupling mechanism 6 comprises a tower-shaped fixing member 601, the inner cavity of the fixing member 601 forms an acoustic coupling chamber 602, and an earwax mesh 603 is fixed in the acoustic coupling chamber 602. The acoustic performance of the speaker is improved by providing an acoustic coupling cavity 602 that simulates the length of the external auditory canal. The cerumen net 603 is arranged to prevent dust and impurities from entering the diaphragm 801.

The moving coil unit 8 includes a diaphragm 801, a casing 802 is fixed in the metal casing 4, a through hole 803 is opened on the top of the casing 802, the through hole 803 is located below the acoustic coupling cavity 602, the diaphragm 801 is fixed on the top of the casing 802, a T-iron 804 is fixed in the casing 802, a ring magnet 805 is sleeved outside the T-iron 804, and a ring pole piece 806 is arranged above the ring magnet 805.

The moving coil unit 8 further comprises a tuning net 807, the T iron 804 is arranged in a hollow mode, the tuning net 807 is fixed to the bottom of the T iron 804, the tuning net 807 is communicated with an inner cavity of the T iron 804, the tuning net 807 is located right below the vibrating diaphragm 801, a basin frame 808 is clamped on the outer side of the pole piece 806 in a clamping mode, one side of the basin frame 808 is glued to the shell 802, and a PCB 809 is fixed to the bottom of the T iron 804 through screws. The frame 808 is constructed as shown in fig. 3, and the pole pieces 806 are pressed inward by the two frames 808.

The metal shell 4 comprises a first RIC shell 401 and a second RIC shell 402, the first RIC shell 401 and the second RIC shell 402 are buckled with each other, and air pressure balance holes 403 are formed in the outer walls of the first RIC shell 401 and the second RIC shell 402. The air pressure is balanced by opening the air pressure balancing hole 403.

The buckling structure 5 comprises a limiting block 501, a through line groove 502 is formed in the middle of the limiting block 501, an integrally formed line pipe 503 is arranged at the bottom of the limiting block 501, the line pipe 503 is clamped between a first RIC shell 401 and a second RIC shell 402, and the pre-setting signal line 1 is electrically connected with a PCB 809 through the through line groove 502;

during the use, acoustic signal reaches the coil from preset signal line 1, the coil motion, drive vibrating diaphragm 801 vibration, vibrating diaphragm 801 compression or tensile air, thereby propagate the sound wave, and get into human duct through cerumen net 603, this type of moving coil speaker is when the assembly, go into spool 503 through the recess card between metal casing 4, make mounting 601 card in the inner chamber of speaker, the rethread is glued and is connect fixedly, RIC shell one 401 and RIC shell two 402 adopt the block fixed, this connected mode can strengthen the stability that preset signal line 1 and moving coil speaker are connected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hearing aid RIC module comprising a moving coil speaker, characterized by: including preset signal line (1), the one end of preset signal line (1) is fixed with connecting plug (2), the other end of preset signal line (1) is fixed with in-ear formula generating element (3), in-ear formula generating element (3) include metal casing (4), the bottom of metal casing (4) is provided with and supplies buckle structure (5) of being connected with preset signal line (1), the top of metal casing (4) is provided with acoustics coupling mechanism (6), be provided with movable coil unit (8) in metal casing (4).

2. A hearing aid RIC module according to claim 1 comprising a moving coil speaker, characterized in that: the acoustic coupling mechanism (6) comprises a tower-shaped fixing piece (601), the inner cavity of the fixing piece (601) forms an acoustic coupling cavity (602), and an earwax net (603) is fixed in the acoustic coupling cavity (602).

3. A hearing aid RIC module according to claim 2 comprising a moving coil speaker, characterized in that: the moving coil unit (8) comprises a vibrating diaphragm (801), a shell (802) is fixed in the metal shell (4), a through hole (803) is formed in the top of the shell (802), the through hole (803) is located below the acoustic coupling cavity (602), the vibrating diaphragm (801) is fixed at the top of the shell (802), a T iron (804) is fixed in the shell (802), an annular magnet (805) is sleeved outside the T iron (804), and an annular pole piece (806) is arranged above the annular magnet (805).

4. A hearing aid RIC module according to claim 3 comprising a moving coil speaker, characterized in that: moving coil unit (8) still include tuning net (807), T iron (804) are the cavity setting, tuning net (807) are fixed in the bottom of T iron (804), tuning net (807) and the inner chamber intercommunication of T iron (804), tuning net (807) are located vibrating diaphragm (801) under, the outside chucking of pole piece (806) has basin frame (808), one side and casing (802) the cementing of basin frame (808), the bottom of T iron (804) is through the screw fixation has PCB board (809).

5. A hearing aid RIC module comprising a moving coil speaker according to claim 4, wherein: the metal casing (4) comprises a first RIC casing (401) and a second RIC casing (402), the first RIC casing (401) and the second RIC casing (402) are buckled with each other, and air pressure balance holes (403) are formed in the outer walls of the first RIC casing (401) and the second RIC casing (402).

6. A hearing aid RIC module comprising a moving coil speaker according to claim 5, wherein: buckle structure (5) include stopper (501), through-line groove (502) have been seted up at the middle part of stopper (501), the bottom of stopper (501) is provided with integrated into one piece's spool (503), spool (503) card is between RIC shell one (401) and RIC shell two (402).