CN210670507U

CN210670507U - Noise reduction earphone main body and noise reduction earphone

Info

Publication number: CN210670507U
Application number: CN201922224009.1U
Authority: CN
Inventors: 张瑞成; 袁世明; 翁秸宸
Original assignee: Merry Technology Suzhou Co Ltd
Current assignee: Merry Technology Suzhou Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-06-02
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a noise reduction earphone main body and a noise reduction earphone, which belong to the earphone technical field, wherein the noise reduction earphone main body comprises an earphone shell, and the earphone shell is provided with a sound outlet; the loudspeaker assembly is fixed in the earphone shell and divides the earphone shell into a front cavity and a rear cavity, the sound outlet is positioned in the front cavity, and a channel penetrating through the front cavity and the rear cavity is arranged on the loudspeaker assembly; a microphone assembly located in the rear cavity and in communication with the channel for collecting noise. The utility model discloses can fall the noise of different frequencies and make an uproar, and fall the earphone main part of making an uproar and fall the volume and the weight of the earphone of making an uproar and can be less, improved user's result of use.

Description

Noise reduction earphone main body and noise reduction earphone

Technical Field

The utility model relates to an earphone technical field especially relates to an earphone main part of making an uproar and fall earphone of making an uproar falls.

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. Moreover, the volume and weight of the earphone provided with the sound insulation material are usually large, which affects the use of users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fall earphone main part of making an uproar and fall earphone of making an uproar can fall the noise of different frequencies, and fall the earphone main part of making an uproar and fall the volume and the weight of earphone of making an uproar and can be less, has improved user's result of use.

As the conception, the utility model adopts the technical proposal that:

a noise reducing headphone body comprising:

the earphone shell is provided with a sound outlet;

the loudspeaker assembly is fixed in the earphone shell and divides the earphone shell into a front cavity and a rear cavity, the sound outlet is positioned in the front cavity, and a channel penetrating through the front cavity and the rear cavity is arranged on the loudspeaker assembly;

a microphone assembly located in the rear cavity and in communication with the channel for collecting noise.

Optionally, the microphone assembly is fixedly connected to the speaker assembly.

Optionally, the speaker assembly includes a support fixedly connected to the earphone shell and a speaker unit fixed to the support, and the channel is disposed on the support.

Optionally, the speaker assembly includes a support fixedly connected to the earphone shell and a speaker unit fixed to the support, and the channel is disposed on the speaker unit.

Optionally, the speaker unit has a circular cross section, and the channel is disposed in the center of the speaker unit.

Optionally, the center of the speaker unit has a first protruding structure protruding toward the rear cavity, the channel is disposed on the first protruding structure, and the microphone assembly is fixedly connected to the end of the first protruding structure.

Optionally, the speaker unit further has a second protrusion structure disposed along a circumferential direction of the speaker unit and protruding toward the rear cavity.

Optionally, the speaker subassembly includes the speaker monomer, the inner wall of earphone shell has and is used for fixing the free connecting portion of speaker, the speaker monomer include to the bellied third protruding structure of back cavity and be used for connecting the third protruding structure with the flat structure of connecting portion, the passageway set up in on the flat structure.

Optionally, the microphone assembly includes a microphone cavity fixedly connected to the speaker assembly and a microphone located in the microphone cavity, the microphone cavity is communicated with the channel, and the microphone is configured to monitor noise in the microphone cavity.

A noise reduction earphone comprises a noise reduction module and the noise reduction earphone main body, wherein the noise reduction module is electrically connected with a microphone component in the noise reduction earphone main body.

The beneficial effects of the utility model include at least:

the earphone main part of making an uproar and the earphone of making an uproar that falls that this embodiment provided, the microphone subassembly that is located the back chamber can pass through passageway and front chamber intercommunication, when there is the noise in the earphone shell, the microphone subassembly can be timely accurate monitoring noise and generate the noise signal, and with the module of making an uproar that falls in this noise signal transmission to the earphone of making an uproar, the module of making an uproar can send the sound opposite with this noise sound wave phase place according to this noise, in order to offset this noise, because the microphone subassembly can monitor the noise homoenergetic of high frequency or low frequency, and then make the earphone main part of making an uproar and fall the earphone of making an uproar and can fall the noise of different frequencies, and the volume and the weight of microphone subassembly are all less, and then can be less for making the earphone main part of making an upr.

Drawings

Fig. 1 is an exploded schematic view of a noise reduction earphone main body according to an embodiment of the present invention;

fig. 2 is a front view of a noise reduction earphone main body according to a first embodiment of the present invention;

fig. 3 is a sectional view taken along the line a-a of fig. 2 according to an embodiment of the present invention;

fig. 4 is a cross-sectional view B-B shown in fig. 2 according to an embodiment of the present invention;

fig. 5 is a schematic view of an exploded structure of a noise reduction earphone main body according to an embodiment of the present invention;

fig. 6 is a schematic view of an exploded structure of a noise reduction earphone main body according to a second embodiment of the present invention;

fig. 7 is a front view of a noise reduction earphone main body according to a second embodiment of the present invention;

fig. 8 is a cross-sectional view E-E of fig. 7 according to a second embodiment of the present invention;

fig. 9 is a sectional view from F to F shown in fig. 7 according to the second embodiment of the present invention;

fig. 10 is a schematic view of an exploded structure of a noise reduction earphone main body according to a third embodiment of the present invention;

fig. 11 is a schematic view of an exploded structure of a noise reduction earphone main body according to a third embodiment of the present invention;

fig. 12 is a front view of the noise reduction earphone main body according to the third embodiment of the present invention;

fig. 13 is a C-C sectional view of fig. 12 according to the third embodiment of the present invention;

fig. 14 is a D-D sectional view of fig. 12 according to the third embodiment of the present invention.

In the figure:

1. an earphone shell; 11. a sound outlet; 12. a connecting portion; 13. a front housing; 14. a rear housing; 15. a wire housing; 2. a speaker assembly; 21. a support; 22. a speaker unit; 221. a first bump structure; 222. a second bump structure; 223. a third bump structure; 224. a flat structure; 3. a channel; 31. a first channel; 32. a second channel; 4. a microphone assembly; 41. a microphone cavity; 10. a front cavity; 20. a rear cavity.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment provides a noise reduction earphone main body, which can have a good noise reduction effect, and the volume and the weight of the earphone can be smaller.

As shown in fig. 1 to 4, the noise reducing headphone body includes: an earphone case 1, and a speaker assembly 2 and a microphone assembly 4 accommodated in the earphone case 1.

Wherein, the earphone shell 1 is provided with a sound outlet 11. The speaker assembly 2 is fixed in the earphone housing 1, and the earphone housing 1 is divided into a front cavity 10 and a rear cavity 20 by the speaker assembly 2, and the sound outlet 11 is located in the front cavity 10. The speaker module 2 is provided with a duct 3 passing through the front chamber 10 and the rear chamber 20, and the duct 3 communicates the front chamber 10 and the rear chamber 20. The microphone assembly 4 is located in the rear chamber 20 and communicates with the channel 3 for picking up noise in the front chamber 10, the rear chamber 20 or the channel 3.

In the noise reduction earphone main body provided by the embodiment, the microphone component 4 located in the rear cavity 20 is communicated with the front cavity 10 through the channel 3, when noise exists in the earphone shell 1, the microphone component 4 can timely and accurately monitor the noise and generate a noise signal, and transmit the noise signal to the noise reduction module in the noise reduction earphone, the noise reduction module can send sound opposite to the phase of the noise sound wave according to the noise to offset the noise, and further achieve the purpose of noise reduction, because the microphone component 4 can monitor the high-frequency or low-frequency noise, and further enable the noise reduction earphone main body and the noise reduction earphone to reduce noise of different frequencies, and the volume and the weight of the microphone component 4 are smaller, so that the volume and the weight of the noise reduction earphone main body and the noise reduction earphone can be smaller, and the use effect of a user is improved.

Further, the microphone assembly 4 is fixedly connected to the speaker assembly 2, or the microphone assembly 4 may also be fixedly connected to the earphone shell 1, which is not limited in this embodiment. When the microphone assembly 4 is fixedly connected with the speaker assembly 2, the microphone assembly 4 can be positioned right below the channel 3 to improve the efficiency of the microphone assembly 4 in monitoring noise.

In this embodiment, the speaker assembly 2 includes a bracket 21 fixedly connected to the earphone shell 1 and a speaker unit 22 fixed on the bracket 21, the channel 3 is disposed on the bracket 21, and the microphone assembly 4 is fixedly connected to the bracket 21. The bracket 21 is used to fix the speaker unit 22 to the earphone case 1. The speaker unit 22 is a sound generating unit, and typically includes a magnet, a voice coil, a diaphragm, and the like.

Alternatively, in order to elevate the microphone assembly 4 to monitor the effect of noise, as shown in fig. 3 and 4, the passage 3 may include a first passage 31 and a second passage 32 which communicate, with the first passage 31 being adjacent to the front chamber 10, the second passage 32 being adjacent to the rear chamber 20, and the second passage 32 being in communication with the microphone assembly 4.

Further, the first channel 31 has a cross-sectional dimension gradually decreasing in a first direction, which is a direction in which the front chamber 10 is directed to the rear chamber 20. That is, the size of the end of the first channel 31 close to the second channel 32 is smaller than the size of the end of the first channel 31 far from the second channel 32, so that the first channel 31 forms a structure similar to a loudspeaker, and the noise detection effect of the microphone assembly 4 can be further improved.

Alternatively, the structure of the channel 3 may be other structures, and in particular, the cross-sectional dimension of the channel 3 in the first direction may gradually decrease, and the first direction is the direction in which the front cavity 10 points to the rear cavity 20. That is, the size of the channel 3 on the upper surface of the bracket 21 is larger than the size of the channel 3 on the lower surface of the bracket 21, so that the channel 3 can form a horn-like structure, and the channel 3 can effectively monitor the noise in the front cavity 10.

Alternatively, in order to enable the microphone assembly 4 to effectively monitor the noise in the environment, the channel 3 may be located at a portion of the bracket 21 near the sound outlet 11, and correspondingly, the microphone assembly 4 is fixedly connected to a portion of the bracket 21 near the sound outlet 11, so that the noise in the environment can directly enter the microphone assembly 4 through the sound outlet 11 and the channel 3 and then be monitored by the microphone assembly 4.

Alternatively, in this embodiment, the cross-sectional shape of the channel 3 may be a circle, a square, a triangle, or the like, which is not limited in this embodiment.

In this embodiment, the microphone assembly 4 includes a microphone cavity 41 fixedly connected to the speaker assembly 2 and a microphone located in the microphone cavity 41. Wherein the microphone cavity 41 communicates with the channel 3, in which case a microphone located in the microphone cavity 41 is used for monitoring noise in the microphone cavity 41.

Optionally, a through hole for a user to pass through a wire may be further disposed on the microphone cavity 41, so that the microphone can be electrically connected with the noise reduction module through the wire to transmit a noise signal to the noise reduction module.

In this embodiment, as shown in fig. 3 and 4, the earphone housing 1 includes a front housing 13 and a rear housing 14 fixedly connected, the front housing 13 and the speaker assembly 2 form a front cavity 10, and the rear housing 14 and the speaker assembly 2 form a rear cavity 20. The sound outlet 11 is located on the front case 13, and, as shown in fig. 3, the top surface of the front case 13 is disposed obliquely, that is, the distance between the portion of the front case 13 close to the sound outlet 11 and the speaker assembly 2 is greater than the distance between the portion of the front case far from the sound outlet 11 and the speaker assembly 2. Make the volume of earphone shell 1 can be less, and then make when this earphone main part of making an uproar is used in the in-ear earphone, the appearance of making an uproar earphone can cooperate with the shape of user's ear, the user of being convenient for wears.

Example two

The noise reduction earphone body provided by the present embodiment is different from the first embodiment in that the position of the channel 3 in the present embodiment is different.

Specifically, as shown in fig. 5 to 9, the speaker assembly 2 includes a support 21 fixedly connected to the earphone shell 1 and a speaker unit 22 fixed on the support 21, and at this time, the channel 3 is disposed on the speaker unit 22, that is, a through hole is formed in the speaker unit 22 to form the channel 3. The bracket 21 is used to fix the speaker unit 22 to the earphone case 1.

Alternatively, as shown in fig. 5 and 6, the cross section of the bracket 21 may be circular, and the cross section of the speaker unit 22 may be circular, in which case the channel 3 may be disposed at the center of the speaker unit 22. Alternatively, the channel 3 may be disposed not in the center of the speaker unit 22 but in the edge position of the speaker unit 22.

Further, as shown in fig. 8 and 9, the speaker unit 22 has a first protrusion 221 protruding toward the rear cavity 20 at a central position, and at this time, the channel 3 is disposed on the first protrusion 221, and the microphone assembly 4 may be fixedly connected to a distal end of the first protrusion 221.

Still further, as shown in fig. 8 and 9, the speaker unit 22 further has a second protrusion structure 222 disposed along the circumference of the speaker unit 22 and protruding toward the rear cavity 20, and the second protrusion structure 222 is disposed around the first protrusion structure 221.

Alternatively, in the present embodiment, the microphone assembly 4 may be located right below the channel 3, that is, the microphone assembly 4 is fixedly connected to the speaker unit 22. Alternatively, the microphone assembly 4 may also be fixedly connected to the bracket 21, in which case the microphone assembly 4 may be communicated with the channel 3 through a connecting pipe, and the position of the microphone assembly 4 is not limited in this embodiment.

The rest of the structure of this embodiment is the same as that of the first embodiment, and this embodiment is not described herein again, and the noise reduction earphone main body in this embodiment has the same beneficial effects as the first embodiment, and this embodiment is also not described herein again.

EXAMPLE III

The difference between this embodiment and the first embodiment is that the position of the channel 3 in this embodiment is different, and the structure of the speaker assembly 2 in this embodiment is also different from that of the speaker assembly 2 in the first embodiment.

Specifically, referring to fig. 10 to 14, the speaker assembly 2 includes a speaker unit 22, and the inner wall of the earphone casing 1 has a connecting portion 12 for fixing the speaker unit 22. The speaker unit 22 can be fixed to the earphone case 1 via the connection portion 12.

As shown in fig. 13, the speaker unit 22 includes a third protruding structure 223 protruding toward the rear cavity 20 and a flat structure 224 for connecting the third protruding structure 223 and the connecting portion 12, that is, the flat structure 224 is disposed around the third protruding structure 223, and in this case, the channel 3 is disposed on the flat structure 224, or the channel 3 is disposed on the third protruding structure 223.

The microphone assembly 4 in the noise reducing headphone body is fixedly connected to the flat structure 224, or the microphone assembly 4 may also be fixedly connected to the connecting portion 12, in which case the microphone cavity 41 in the microphone assembly 4 is communicated with the channel 3 through a connecting tube.

Example four

The present embodiment provides a noise reduction earphone, which includes a noise reduction module and the noise reduction earphone main body according to any one of the first to third embodiments, wherein the noise reduction module is electrically connected to the microphone assembly 4 in the noise reduction earphone main body, and is configured to generate a sound with a phase opposite to a noise sound wave in a noise signal generated by the microphone assembly 4, so as to cancel the noise.

Optionally, the noise reducing headset may be an in-ear headset, or the noise reducing headset may also be a headphone.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A noise reducing headphone body, comprising:

the earphone shell (1), the earphone shell (1) is provided with a sound outlet (11);

the earphone shell (1) is divided into a front cavity (10) and a rear cavity (20) by the loudspeaker assembly (2), the sound outlet (11) is positioned in the front cavity (10), and a channel (3) penetrating through the front cavity (10) and the rear cavity (20) is arranged on the loudspeaker assembly (2);

a microphone assembly (4) located in the rear cavity (20) and communicating with the channel (3) and adapted to pick up noise.

2. The noise reducing headphone body according to claim 1, characterized in that the microphone assembly (4) is fixedly connected with the speaker assembly (2).

3. The noise reduction earphone body according to claim 1 or 2, wherein the speaker assembly (2) comprises a bracket (21) fixedly connected with the earphone shell (1) and a speaker unit (22) fixed on the bracket (21), and the channel (3) is disposed on the bracket (21).

4. The noise reduction earphone body according to claim 1 or 2, wherein the speaker assembly (2) comprises a bracket (21) fixedly connected with the earphone shell (1) and a speaker unit (22) fixed on the bracket (21), and the channel (3) is disposed on the speaker unit (22).

5. A noise-reducing earphone body according to claim 4, wherein the channel (3) is provided in the center of the speaker unit (22).

6. The noise reduction earphone body according to claim 5, wherein the speaker unit (22) has a first protrusion structure (221) protruding toward the rear cavity (20) at a central position, the channel (3) is disposed on the first protrusion structure (221), and the microphone assembly (4) is fixedly connected to an end of the first protrusion structure (221).

7. The noise reducing earphone body according to claim 6, wherein the speaker unit (22) further has a second protrusion structure (222) disposed along the circumference of the speaker unit (22) and protruding toward the rear cavity (20).

8. The noise reduction earphone body according to claim 1, wherein the speaker assembly (2) comprises a speaker unit (22), the inner wall of the earphone housing (1) has a connecting portion (12) for fixing the speaker unit (22), the speaker unit (22) comprises a third protruding structure (223) protruding toward the rear cavity (20) and a flat structure (224) for connecting the third protruding structure (223) and the connecting portion (12), and the channel (3) is disposed on the flat structure (224).

9. A noise reducing headphone body according to claim 1 or 2, characterized in that the microphone assembly (4) comprises a microphone cavity (41) fixedly connected with the loudspeaker assembly (2) and a microphone located in the microphone cavity (41), the microphone cavity (41) communicating with the channel (3), the microphone being arranged to monitor noise in the microphone cavity (41).

10. A noise reducing headphone, characterized by comprising a noise reducing headphone body according to any one of claims 1-9 and a noise reducing module, the noise reducing module being electrically connected to a microphone assembly (4) in the noise reducing headphone body.