CN211267068U

CN211267068U - Noise reduction earphone unit and noise reduction earphone

Info

Publication number: CN211267068U
Application number: CN201922325091.7U
Authority: CN
Inventors: 唐国文
Original assignee: Shenzhen Jiahuali Electronics Co ltd
Current assignee: Shenzhen Jiahuali Electronics Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-14
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses an earphone unit of making an uproar falls locates in the headphone, including framework, sound production module, the module of making an uproar falls, preceding closing cap and back closing cap, the framework one side is located to the preceding closing cap, preceding closing cap encloses into the confined ante-chamber with the framework, the relative another side of framework is located to the back closing cap lid, the confined back chamber is enclosed into with the framework to back closing cap, the framework is all located to sound production module, the module of making an uproar falls all to be enclosed in preceding closing cap and back closing cap. The utility model provides a noise reduction earphone unit and noise reduction earphone easily volume production, with low costs, and noise reduction effect is good.

Description

Noise reduction earphone unit and noise reduction earphone

Technical Field

The utility model relates to an earphone technical field, specifically speaking relates to an earphone unit and the earphone of making an uproar falls.

Background

The active noise reduction earphone generates reverse sound waves equal to external noise through a noise reduction system, and neutralizes the noise, so that the noise reduction effect is realized. The existing noise reduction earphone has the following problems: 1. debugging of the noise reduction function is difficult: because the appearance and the structure of each earphone are different, each earphone with noise reduction needs to be debugged repeatedly, and a large amount of research and development cost and time need to be occupied. 2. The cost is high: the noise reduction earphone is changed, different microphones can be used, a single material is difficult to form in a large quantity, and the core material cost and production line assembly time are high.

Chinese patent document application No. 201810857224.2 discloses a unit of making an uproar falls in earphone, including the earphone bandeau, first headphone and second headphone are installed respectively to the both ends of earphone bandeau, the inside of first headphone and second headphone all is equipped with the unit mounting panel of making an uproar falls, one side equidistance of the unit mounting panel of making an uproar falls is equipped with a plurality of screw hole, first headphone and second headphone all are equipped with the screw post as an organic whole even with the department position that corresponds of screw hole, the unit mounting panel of making an uproar falls the screw post threaded connection that the screw passed a screw hole and, the embedded unit of making an uproar that falls in the recess at unit mounting panel middle part of making an uproar, the unit of making. The noise reduction earphone can be adapted to any headset, and the noise reduction unit can be installed to form the noise reduction earphone, so that the mass production is easy, the research and development time and the mass production time are shortened, the research and development cost and the production cost are reduced, the production effect is improved, and the profit of a factory is increased. However, the shape, size and even sealing property of the sound cavity of different earphones are changed, so that it is difficult to ensure that the finished earphones have good frequency response curves, and the noise reduction effect of the earphones is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise reduction earphone unit and noise reduction earphone easily volume production, with low costs, and noise reduction effect is good.

The utility model discloses a technical scheme that earphone unit of making an uproar adopted is:

the utility model provides an earphone unit of making an uproar falls, locates in the headphone, including framework, sound production module, the module of making an uproar, preceding closing cap and back closing cap, the framework one side is located to the preceding closing cap, preceding closing cap encloses into the confined antetheca with the framework, the relative another side of framework is located to the back closing cap, back closing cap encloses into the confined antetheca with the framework, the framework is all located to sound production module, the module of making an uproar falls, the module of making an uproar all is enclosed in preceding closing cap and back closing cap.

As a preferred scheme, the frame body is provided with a through groove, an inner frame is fixed in the through groove, and the sound production module and the noise reduction module are both arranged in the inner frame.

Preferably, the noise reduction module comprises noise reduction microphones, one surface of the inner frame, which is close to the front cover, is recessed to form a groove, and the noise reduction microphones are arranged in the groove.

Preferably, the sound production module comprises a sound membrane and a loudspeaker, a through hole is formed in the middle of the inner frame, the loudspeaker is installed in the through hole, and the sound membrane is arranged on one side, close to the front sealing cover, of the inner frame.

Preferably, the periphery of the through groove axially protrudes to form a protruding rib matched with the front cover, and the front cover is matched with the protruding rib.

The utility model also discloses an earphone of making an uproar falls, including the earphone unit of making an uproar falls, the earphone unit of making an uproar falls and simultaneously is equipped with and is annular flexible ear pad, and another face lid is equipped with the back lid.

The utility model discloses a fall earphone unit of making an uproar and fall earphone's beneficial effect is: this earphone unit of making an uproar falls can adapt to in arbitrary headphone, installs this earphone unit of making an uproar falls in this "installation of making an uproar" alright become one section and fall the earphone of making an uproar, light volume production, the cost has been pressed down. Through enclosing preceding closing cap and framework into confined ante-chamber, the back closing cap encloses into confined back chamber with the framework, and sound production module, noise reduction module are all enclosed in preceding closing cap and back closing cap, have avoided the influence of different earphone appearances to the acoustic chamber effectively, reach more ideal noise reduction effect.

Drawings

Fig. 1 is an exploded schematic view of the noise reduction earphone unit of the present invention.

Fig. 2 is another exploded view of the noise reduction earphone unit of the present invention.

Fig. 3 is the utility model discloses the framework, sound production module, the module structure sketch map of making an uproar fall the earphone unit.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1, 2 and 3, a noise reduction earphone unit is disposed in a headset and includes a frame 10, a sound generating module 20, a noise reduction module 30, a front cover 40 and a rear cover 50.

The front sealing cover 40 is arranged on one surface of the frame body 10 in a covering mode, the front sealing cover 40 and the frame body 10 enclose a closed front cavity, the rear sealing cover 50 is arranged on the other surface of the frame body 10 in a covering mode, and the rear sealing cover 50 and the frame body 10 enclose a closed rear cavity. The sound generating module 20 and the noise reducing module 30 are both disposed on the frame body 10, and the sound generating module 20 and the noise reducing module 30 are both enclosed in the front sealing cover 40 and the rear sealing cover 50.

The frame body 10 is provided with a through groove 11, an inner frame 13 is fixed in the through groove 11, and the sound generating module 20 and the noise reducing module 30 are both arranged in the inner frame 13. The periphery of the through slot 11 protrudes axially to form a raised rib 12 which cooperates with the front cover 40. When installed, the front cover 40 is aligned with the raised ribs 12 and snapped in place.

The noise reduction module 30 comprises a noise reduction microphone 31, one surface of the inner frame 13 close to the front cover 40 is recessed to form a groove 131, and the noise reduction microphone 31 is arranged in the groove 131. The noise reduction module 30 further includes a noise reduction board 32, the noise reduction board 32 is electrically connected to the noise reduction microphone 31, and the two are used for noise reduction of the earphone.

The sound production module 20 comprises a sound membrane 22 and a loudspeaker 21, a through hole 132 is formed in the middle of the inner frame 13, the loudspeaker 21 is installed in the through hole 132, and the sound membrane 22 is arranged on one side, close to the front sealing cover 40, of the inner frame 13.

The utility model also provides a noise reduction earphone, including noise reduction earphone unit, noise reduction earphone unit simultaneously is equipped with and is annular flexible ear pad 60, and another face lid is equipped with back lid 70.

The utility model discloses an earphone unit of making an uproar falls can adapt to in arbitrary headphone, should "fall the earphone unit of making an uproar" in the installation alright become a section earphone of making an uproar falls, light volume production has suppressed the cost. The front sealing cover 40 and the frame body 10 are enclosed to form a closed front cavity, the rear sealing cover 50 and the frame body 10 are enclosed to form a closed rear cavity, and the sounding module 20 and the noise reduction module 30 are both enclosed in the front sealing cover 40 and the rear sealing cover 50, so that the influence of different earphone shapes on the sound cavity is effectively avoided, and a more ideal noise reduction effect is achieved.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a noise reduction earphone unit locates in the headphone, its characterized in that, including framework, sound production module, noise reduction module, preceding closing cap and back closing cap, the framework one side is located to the preceding closing cap, preceding closing cap encloses into the confined ante-chamber with the framework, the relative another side of framework is located to the back closing cap lid, the back closing cap encloses into the confined ante-chamber with the framework, sound production module, noise reduction module all locate the framework, sound production module, noise reduction module are all enclosed in preceding closing cap and back closing cap.

2. The noise-reducing earphone unit according to claim 1, wherein the frame body is provided with a through groove, an inner frame is fixed in the through groove, and the sound production module and the noise reduction module are both arranged in the inner frame.

3. The noise reducing earphone unit according to claim 2, wherein the noise reducing module comprises a noise reducing microphone, wherein a surface of the inner frame adjacent to the front cover is recessed to form a groove, and the noise reducing microphone is disposed in the groove.

4. The noise reducing earphone unit according to claim 2, wherein the sound module comprises a sound film and a speaker, a through hole is formed in the middle of the inner frame, the speaker is installed in the through hole, and the sound film is arranged on one side of the inner frame close to the front cover.

5. The noise reducing earphone unit according to claim 2 wherein the periphery of the through slot protrudes axially to form a raised rib that mates with a front cover that mates with the raised rib.

6. A noise reducing headphone comprising a noise reducing headphone unit according to any of claims 1-4, the noise reducing headphone unit being provided with a flexible ear pad in the form of a ring on one side and a rear cover on the other side.