CN210381253U

CN210381253U - TWS noise reduction earphone

Info

Publication number: CN210381253U
Application number: CN201921531312.XU
Authority: CN
Inventors: 刘垣皜; 谭凯
Original assignee: Shenzhen Huaxi Acoustic Intelligent Manufacturing Technology Co Ltd
Current assignee: Shenzhen Huaxi Acoustic Intelligent Manufacturing Technology Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-21
Anticipated expiration: 2029-09-12

Abstract

The utility model provides a TWS noise reduction earphone, including electronic device, electronic device includes loudspeaker, battery, PCBA board, loudspeaker, battery are connected with PCBA board electricity through the wire respectively, electronic device still includes noise reduction microphone and conversation microphone, the electronic device is equipped with the earphone shell of integrated into one piece after solidifying through the liquid glue outward; the earphone shell is characterized in that a sound outlet hole is formed in the position, located on the surface, of the loudspeaker and communicated with the front sound cavity, a leakage hole is formed in the position, located on the surface, of the rear sound cavity and communicated with the rear sound cavity, and a communication sound receiving hole is formed in the position, located on the surface, of the earphone shell and communicated with the communication microphone. Compared with the prior art, the earphone shell seals and isolates the front and back sound cavities, the wires and the electronic devices and wraps the front and back sound cavities, the traditional isolation board is replaced to isolate the front and back sound cavities, and the influence on the noise reduction effect caused by the sealing of gaps and wire holes of the electronic devices and the isolation problem of the isolation board is avoided.

Description

TWS noise reduction earphone

Technical Field

The utility model relates to an earphone, in particular to TWS noise reduction earphone.

Background

At present, in the traditional noise reduction earphone, a plastic isolation plate is added between a front sound cavity and a rear sound cavity in production, then a wire hole is reserved on the isolation plate, a wire is threaded, and then the position of the wire hole is glued and sealed, but after the production process is finished, the sealed wire hole is easy to generate air leakage to form the intercommunication of the front cavity and the rear cavity, so that the noise reduction effect is influenced; the wire rod is suspended in the front and rear sound cavities, so that resonance can be generated inevitably to cause noise, and the noise reduction effect can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TWS noise reduction earphone, the technical problem that solve improve the noise reduction effect.

In order to solve the above problem, the utility model discloses a following technical scheme realizes: a TWS noise reduction earphone comprises an electronic device, wherein the electronic device comprises a loudspeaker, a battery and a PCBA board, the loudspeaker and the battery are respectively and electrically connected with the PCBA board through wires, the electronic device further comprises a noise reduction microphone and a communication microphone, an earphone shell which is integrally formed after liquid glue is solidified is arranged outside the electronic device, a front sound cavity and a rear sound cavity are respectively formed in one end of a loudspeaker basin surface and the other end far away from the loudspeaker basin surface in the earphone shell, and the earphone shell is used for respectively wrapping the electronic device and the wires so as to completely seal and isolate the electronic device and the wires; the earphone shell is characterized in that a sound outlet hole is formed in the position, located on the surface, of the loudspeaker and communicated with the front sound cavity, a leakage hole is formed in the position, located on the surface, of the rear sound cavity and communicated with the rear sound cavity, and a communication sound receiving hole is formed in the position, located on the surface, of the earphone shell and communicated with the communication microphone.

Furthermore, the two noise reduction microphones are respectively a first noise reduction microphone and a second noise reduction microphone, the first noise reduction microphone is electrically connected with the PCBA board through a wire, and the first noise reduction microphone is opposite to the basin surface of the loudspeaker so as to receive sound from the loudspeaker; the second is fallen the microphone and is fixed in PCBA board and keeps away from the one end surface of loudspeaker and with loudspeaker position relative department, the earphone shell just lies in the second on the surface and falls the microphone department and be equipped with and fall the sound receiving hole of making an uproar.

Furthermore, the communication microphone is arranged on the PCBA board and is far away from one end of the second noise reduction microphone, and the communication microphone and the second noise reduction microphone are arranged on the same surface of one end of the PCBA board.

Further, be equipped with the contact that charges on the PCBA board, the earphone shell lie in on the surface that the contact that charges to be equipped with the contact hole that charges to the contact that will charge exposes.

Compared with the prior art, through set up the earphone shell through liquid glue solidification back integrated into one piece outside electronic device, sound chamber and wire around earphone shell will, electronic device seals up the isolation and wrap up, replace traditional division board to keep apart around the sound chamber, avoided the electronic device space, the wire hole is sealed and the isolated problem of division board influences the noise reduction effect, the debug time of going on because of various resonance and gas leakage problem has also been saved simultaneously, promotion production efficiency that can be fabulous.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the present invention.

Fig. 2 is a schematic diagram of the external structure of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, the utility model discloses a TWS noise reduction earphone, including electronic device, electronic device includes loudspeaker 1, battery 2, PCBA board 3, loudspeaker 1, battery 2 are connected with PCBA board 3 electricity through the wire respectively, electronic device still includes noise reduction microphone 4 and conversation microphone 5, electronic device is equipped with the earphone shell 6 of integrated into one piece after solidifying through the liquid glue outward, forms preceding sound chamber 7, back sound chamber 8 respectively on the other end that lies in loudspeaker 1 pelvic surface one end and keeps away from loudspeaker 1 pelvic surface in earphone shell 6 simultaneously, earphone shell 6 is used for wrapping up electronic device and wire respectively to with between the electronic device and with between the wire between the complete seal isolation; earphone shell 6 integration has avoided among the prior art because of setting up the division board and set up sealed problem and the resonance problem that appears behind the line hole on the division board, can also avoid the problem of front and back sound chamber because of sealing not in place gas leakage to promote the noise reduction effect of earphone.

The utility model discloses being equipped with out sound hole 9 on earphone shell 6's the surface and being located loudspeaker 1 department, going out sound hole 9 and preceding sound chamber 7 intercommunication, earphone shell 6 lie in back sound chamber 8 department on the surface and be equipped with leakage hole 10, leakage hole 10 and back sound chamber 8 intercommunication, earphone shell 6 lie in conversation microphone 5 department on the surface and be equipped with conversation pitch hole 11.

As shown in fig. 1, in the present invention, there are two noise reduction microphones 4, which are a first noise reduction microphone 12 and a second noise reduction microphone 13, respectively, the first noise reduction microphone 12 is electrically connected to the PCBA board 3 through a wire, and the first noise reduction microphone 12 is opposite to the basin surface of the loudspeaker 1, so as to receive sound from the loudspeaker 1; the second noise reduction microphone 13 is fixed on the surface of one end, far away from the loudspeaker 1, of the PCBA board 3 and is opposite to the loudspeaker 1, and a noise reduction sound receiving hole 14 is formed in the surface of the earphone shell 6 and located at the second noise reduction microphone 13; thereby further improving the noise reduction effect.

As shown in fig. 1, in addition to the above structure, the talking microphone 5 is disposed on the PCBA board 3 at an end away from the second noise reduction microphone 13, and is disposed on the same surface of the PCBA board 3 at an end thereof as the second noise reduction microphone 13, so as to avoid the mutual influence therebetween.

As shown in fig. 1 and 2, the PCBA board 3 is provided with charging contacts 15, and the surface of the earphone housing 6 at the charging contacts 15 is provided with charging contact holes 16 to expose the charging contacts 15.

As shown in fig. 1, the battery 2 is disposed between the PCBA board 2 and the horn 1, specifically, the battery 2 is opposed to the horn 1.

As shown in fig. 1, the earphone housing 6 of the present invention may include a two-part ear plug portion 100 and a rod portion 200 connected to the ear plug portion 100, wherein the speaker 1, the battery 2, the first noise reduction microphone 12, the front sound cavity 7 and the rear sound cavity 8 are all disposed in the ear plug portion 100, and the PCBA board 3, the second noise reduction microphone 13, the charging contact 15 and the talking microphone 5 are disposed on the rod portion 200; one end surface of the PCBA board 3 is opposed to the battery 2, the second noise reduction microphone 13 and the call microphone 5 are provided on the end surface of the PCBA board 3 opposite to the battery 2, and the charging contact 15 is provided on the end surface of the PCBA board 3 opposite to the battery 2.

The utility model discloses a form the parcel layer as earphone shell after the solidification through liquid glue outside electronic device, sound chamber and wire around the parcel layer will, electronic device seals up the isolation and the parcel, replace traditional division board to keep apart around the sound chamber, avoided the electronic device space, the wire guide is sealed and division board intercommunication air-lock influences the noise reduction effect, the debugging time of going on because of various resonance and gas leakage problem has also been saved simultaneously, promotion production efficiency that can be fabulous.

Claims

1. The utility model provides a TWS noise reduction earphone, includes electronic device, electronic device includes loudspeaker (1), battery (2), PCBA board (3), loudspeaker (1), battery (2) are connected its characterized in that through the wire with PCBA board (3) electricity respectively: the electronic device further comprises a noise reduction microphone (4) and a communication microphone (5), an earphone shell (6) which is integrally formed after the electronic device is solidified through liquid glue is arranged outside the electronic device, a front sound cavity (7) and a rear sound cavity (8) are respectively formed in the earphone shell (6) at one end of the basin surface of the loudspeaker (1) and at the other end far away from the basin surface of the loudspeaker (1), and the earphone shell (6) is used for respectively wrapping the electronic device and the wires so as to completely seal and isolate the electronic device and the wires; the earphone is characterized in that a sound outlet hole (9) is formed in the position, located on the loudspeaker (1), of the earphone shell (6), the sound outlet hole (9) is communicated with a front sound cavity (7), a leakage hole (10) is formed in the position, located on the surface of the earphone shell (6), of a rear sound cavity (8), the leakage hole (10) is communicated with the rear sound cavity (8), and a conversation sound collecting hole (11) is formed in the position, located on the surface of the earphone shell (6), of a conversation microphone (5).

2. A TWS noise reducing headset according to claim 1, wherein: the two noise reduction microphones (4) are respectively a first noise reduction microphone (12) and a second noise reduction microphone (13), the first noise reduction microphone (12) is electrically connected with the PCBA board (3) through a wire, and the first noise reduction microphone (12) is opposite to the basin surface of the loudspeaker (1) so as to receive sound from the loudspeaker (1); the second falls microphone (13) of making an uproar and is fixed in PCBA board (3) and keeps away from the one end surface of loudspeaker (1) and with loudspeaker (1) relative position department of position, earphone shell (6) just lie in the second on the surface and fall microphone (13) department of making an uproar and be equipped with and fall sound receiving hole (14).

3. A TWS noise reducing headset according to claim 2, wherein: the communication microphone (5) is arranged on the PCBA board (3) and is far away from one end of the second noise reduction microphone (13), and the communication microphone and the second noise reduction microphone (13) are arranged on the same end surface of the PCBA board (3).

4. A TWS noise reducing headphone according to any of claims 1-3 wherein: be equipped with on PCBA board (3) and charge contact (15), it is equipped with and charges contact hole (16) to lie in on the surface of earphone shell (6) and charge contact (15) department to expose contact (15) that will charge.