CN215956608U

CN215956608U - Noise-reduction headset

Info

Publication number: CN215956608U
Application number: CN202121792143.2U
Authority: CN
Inventors: 胡昭君
Original assignee: Dongguan Yixin Electronic Technology Co ltd
Current assignee: Dongguan Yixin Electronic Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-04
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a noise reduction headset, which comprises left and right earphones and a head band part connected with the left and right earphones, wherein the left and right earphones comprise a shell, a main board, a loudspeaker board and an earmuff; the left and right earphones are also provided with a circuit board cover and a noise reduction unit, the circuit board cover is connected and arranged on one side of the shell close to the main board and used for fixing the main board between the shell and the circuit board cover, and a sealing element is arranged in a mounting gap between the circuit board cover and the shell; the noise reduction unit is connected to the main board and used for collecting noise in a filtering environment. This it falls headphone to make an uproar adopts the initiative to fall and falls the mode that makes an uproar and fall the combination of making an uproar passively and fall the processing of making an uproar to the earphone, all reaches fine noise reduction to high frequency noise and low frequency noise, improves earphone audio and user's experience and feels.

Description

Noise-reduction headset

Technical Field

The utility model relates to the technical field of earphones, and particularly discloses a noise reduction headset.

Background

The method of noise reduction for headphones generally has two types, one is active noise reduction and the other is passive noise reduction. 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 achieved. The passive noise reduction earphone mainly forms a closed space by surrounding ears, or adopts sound insulation materials such as silica gel earplugs and the like to block external noise.

Among the prior art, the earphone of making an uproar falls for passive form usually, forms through sound insulation material and blocks the space around the ear to block the noise, but the effect of this mode separation noise is limited, and can only block high frequency noise usually, and it is not obvious to low frequency noise reduction effect.

SUMMERY OF THE UTILITY MODEL

To overcome the disadvantages and shortcomings of the prior art, it is an object of the present invention to provide a noise reducing headphone.

In order to achieve the purpose, the noise reduction headset comprises a left earphone and a right earphone and a head band part connected with the left earphone and the right earphone, wherein the left earphone and the right earphone comprise shells, main boards, speakers, speaker boards and earmuffs; the left and right earphones are also provided with a circuit board cover and a noise reduction unit, the circuit board cover is connected and arranged on one side of the shell close to the main board and used for fixing the main board between the shell and the circuit board cover, and a sealing element is arranged in a mounting gap between the circuit board cover and the shell; the noise reduction unit is connected to the main board and used for collecting noise in a filtering environment.

Specifically, the left and right earpieces further include speaker covers mounted between the circuit board cover and the speaker board for securing the speaker between the speaker board and the speaker covers.

Specifically, the noise reduction unit comprises a first noise reduction microphone and a second noise reduction microphone, the first noise reduction microphone is arranged in the shell and located on one side, away from the ears of the user, of the receiver, and the second noise reduction microphone is arranged on one side, close to the earmuff, of the loudspeaker panel.

Specifically, the left side receiver further comprises a third noise reduction microphone, and the third noise reduction microphone is arranged on one side, close to the shell, of the circuit board cover and located on the side edge of the receiver.

Specifically, the main board is provided with a noise reduction system, the noise reduction system is respectively connected with the first noise reduction microphone, the second noise reduction microphone and the third noise reduction microphone, and the noise reduction system is used for filtering and neutralizing the ambient noise collected by the noise reduction unit.

Specifically, the circuit board cover is provided with a sound insulation board protruding to be close to the shell, the sound insulation board is located between the shell and the circuit board cover, and the sound insulation board and the circuit board cover are of an integrated structure.

Specifically, the sealing element comprises a first sealing strip and a second sealing strip, and the upper side and the lower side of the first sealing strip are respectively abutted against and contacted with the inner wall of the shell and the top of the sound insulation board; the second sealing strip is wrapped on the outer side of the circuit board cover, and the outer side of the second sealing strip is abutted against the edge of the inner wall of the shell.

Specifically, the first sealing strip and the second sealing strip are both made of sound insulation materials.

Specifically, the left side earphone still is provided with the battery, and the battery sets up between mainboard and casing, and the battery is used for supplying power for the earphone.

The utility model has the beneficial effects that: the noise reduction headset is provided with a plurality of noise reduction microphones on the left and right earphones, and the plurality of noise reduction microphones collect noise in the environment from different directions and actively reduce the noise of the collected noise through a noise reduction system; still be provided with the sealing strip and completely cut off external noise, the influence of noise reduction noise to the earphone. This it falls headphone to make an uproar adopts the initiative to fall and falls the mode that makes an uproar and fall the combination of making an uproar passively and fall the processing of making an uproar to the earphone, all reaches fine noise reduction to high frequency noise and low frequency noise, improves earphone audio and user's experience and feels.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the handset of the present invention;

fig. 3 is an exploded view of the handset of the present invention.

The reference numerals include:

1-housing 2-mainboard 3-loudspeaker

4-loudspeaker board 5-ear cap 6-circuit board cover

7-speaker cover 8-battery 21-first noise reduction microphone

22-second noise reduction microphone 23-third noise reduction microphone 61-baffle

62-first seal 63-second seal.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 3, the noise reduction headphone of the present invention includes left and right earphones and a head band portion connecting the left and right earphones, the left and right earphones include a housing 1, a main board 2, a speaker 3, a speaker board 4 and an ear cap 5, the housing 1 is connected to the speaker board 4 to form an accommodating cavity, the main board 2 is connected to the speaker 3, the accommodating cavity is used for accommodating the main board 2 and the speaker 3, and the ear cap 5 is disposed on one side of the speaker board 4 away from the housing 1; the left and right earphones are also provided with a circuit board cover 6 and a noise reduction unit, the circuit board cover 6 is connected and installed on one side, close to the main board 2, of the shell 1 and used for fixing the main board 2 between the shell 1 and the circuit board cover 6, and a sealing element is arranged in an installation gap between the circuit board cover 6 and the shell 1; the noise reduction unit is connected to the main board 2 and serves to collect noise in the filtered environment. Sealing element is isolated with external noise, and noise reduction unit is diversified collects ambient noise and filters in addition with, falls passively and falls to go on simultaneously with the initiative, can reach fine noise reduction effect.

Referring to fig. 2 to 3, the left and right earpieces further include speaker covers 7, and the speaker covers 7 are mounted between the circuit board cover 6 and the speaker board 4 and are used for fixing the speakers 3 between the speaker board 4 and the speaker covers 7. Circuit board lid 6 is provided with the protruding acoustic celotex board 61 that is close to casing 1, and acoustic celotex board 61 is located between casing 1 and the circuit board lid 6 and separates out a space with the holding chamber, makes speaker 3 separate with mainboard 2, acoustic celotex board 61 and circuit board lid 6 integral type structure.

Referring to fig. 2 to 3, the noise reduction unit includes a first noise reduction microphone 21 and a second noise reduction microphone 22, the first noise reduction microphone 21 is disposed in the housing 1 and located at a side of the receiver away from the ear of the user, and the second noise reduction microphone 22 is disposed at a side of the speaker plate 4 close to the ear cap 5. The left earpiece further comprises a third noise reduction microphone 23, and the third noise reduction microphone 23 is arranged on one side of the circuit board cover 6 close to the shell 1 and is positioned on the side of the earpiece. The main board 2 is provided with a noise reduction system, the noise reduction system is respectively connected with the first noise reduction microphone 21, the second noise reduction microphone 22 and the third noise reduction microphone 23, and the noise reduction system is used for filtering and neutralizing the ambient noise collected by the noise reduction unit.

The first noise reduction microphone 21 is used for collecting the environment noise on the outer side of the receiver, namely, on one side far away from the ears of the user, the second noise reduction microphone 22 is used for collecting the low-frequency noise on the inner side of the receiver, the third noise reduction earphone is used for collecting the environment noise in front of the user, the three noise reduction microphones collect the environment noise where the user is located in an all-around mode, and the environment noise is transmitted to the noise reduction system of the mainboard 2 to be subjected to noise processing, so that the noise reduction effect of the earphone is better.

Referring to fig. 2 to 3, the sealing element includes a first sealing strip 62 and a second sealing strip 63, wherein the upper and lower sides of the first sealing strip 62 respectively abut against the inner wall of the casing 1 and the top of the sound insulation board 61; the second sealing strip 63 is wrapped on the outer side of the circuit board cover 6, and the outer side of the second sealing strip 63 is in contact with the inner wall edge of the shell 1. The first sealing strip 62 and the second sealing strip 63 are both made of sound insulation materials. The first sealing strip 62 and the second sealing strip 63 are matched to isolate external high-frequency noise, so that a user is not interfered by the external noise when using the earphone.

Referring to fig. 2 to 3, the left earphone is further provided with a battery 8, the battery 8 is disposed between the main board 2 and the housing 1, and the battery 8 is used for supplying power to the earphone.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A noise reduction headset comprises left and right earphones and a head band part connected with the left and right earphones, wherein the left and right earphones comprise a shell (1), a main board (2), a loudspeaker (3), a loudspeaker board (4) and earmuffs (5), the shell (1) and the loudspeaker board (4) are connected to form an accommodating cavity, the main board (2) is connected with the loudspeaker (3), the accommodating cavity is used for accommodating the main board (2) and the loudspeaker (3), and the earmuffs (5) are arranged on one side, far away from the shell (1), of the loudspeaker board (4); the method is characterized in that: the left and right earphones are also provided with circuit board covers (6) and noise reduction units, the circuit board covers (6) are connected and installed on one side, close to the main board (2), of the shell (1) and used for fixing the main board (2) between the shell (1) and the circuit board covers (6), and sealing elements are arranged in installation gaps between the circuit board covers (6) and the shell (1); the noise reduction unit is connected to the main board (2) and is used for collecting noise in a filtering environment.

2. The noise reducing headphone of claim 1, wherein: the left and right earpieces further comprise speaker covers (7), and the speaker covers (7) are mounted between the circuit board cover (6) and the speaker board (4) and used for fixing the speakers (3) between the speaker board (4) and the speaker covers (7).

3. The noise reducing headphone of claim 1, wherein: the noise reduction unit comprises a first noise reduction microphone (21) and a second noise reduction microphone (22), the first noise reduction microphone (21) is arranged in the shell (1) and located on one side, away from the ears of a user, of the receiver, and the second noise reduction microphone (22) is arranged on one side, close to the earmuff (5), of the loudspeaker plate (4).

4. The noise reducing headphone of claim 3, wherein: the left side earphone further comprises a third noise reduction microphone (23), and the third noise reduction microphone (23) is arranged on one side, close to the shell (1), of the circuit board cover (6) and located on the side edge of the earphone.

5. The noise reducing headphone of claim 4, wherein: the main board (2) is provided with a noise reduction system, the noise reduction system is respectively connected with a first noise reduction microphone (21), a second noise reduction microphone (22) and a third noise reduction microphone (23), and the noise reduction system is used for filtering and neutralizing the ambient noise collected by the noise reduction unit.

6. The noise reducing headphone of claim 1, wherein: circuit board lid (6) are provided with sound insulating board (61) that the arch is close to casing (1), and sound insulating board (61) are located between casing (1) and circuit board lid (6), sound insulating board (61) and circuit board lid (6) integral type structure.

7. The noise reducing headphone of claim 6, wherein: the sealing element comprises a first sealing strip (62) and a second sealing strip (63), wherein the upper side and the lower side of the first sealing strip (62) are respectively abutted against and contacted with the inner wall of the shell (1) and the top of the sound insulation board (61); the second sealing strip (63) is covered on the outer side of the circuit board cover (6), and the outer side of the second sealing strip (63) is in butt contact with the edge of the inner wall of the shell (1).

8. The noise reducing headphone of claim 7, wherein: the first sealing strip (62) and the second sealing strip (63) are both made of sound insulation materials.

9. The noise reducing headphone of claim 1, wherein: the left side earphone is further provided with a battery (8), the battery (8) is arranged between the main board (2) and the shell (1), and the battery (8) is used for supplying power to the earphone.