CN221429079U

CN221429079U - Open earphone and main body structure thereof

Info

Publication number: CN221429079U
Application number: CN202323231496.7U
Authority: CN
Inventors: 鲍青山; 邱海奎; 艾永意
Original assignee: Shenzhen Jingyu Hongtu Technology Co ltd
Current assignee: Shenzhen Jingyu Hongtu Technology Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-07-26
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses an open earphone and a main body structure thereof. A first sound inlet part communicated with the auditory canal is arranged on one side of the shell, and a first mounting part is arranged on the inner side wall of the shell at the first sound inlet part; and/or one side of the shell is provided with a second sound inlet part communicated with the outside, and the inner side wall of the shell at the second sound inlet part is provided with a second installation part. The first pickup is arranged on the first installation part, and a first pickup hole of the first pickup is communicated with the first sound inlet part and is used for picking up noise of the auditory canal; and/or the second pickup is mounted on the second mounting portion, and a second pickup hole of the second pickup is communicated with the second sound inlet portion for picking up environmental noise. The noise reduction pickup structure can improve noise reduction performance by picking up the auditory canal noise and/or the environmental noise, and provides good immersive experience while meeting the comfort of an open earphone.

Description

Open earphone and main body structure thereof

Technical Field

The utility model relates to the technical field of earphones, in particular to an open earphone and a main body structure thereof.

Background

The open structure of the open earphone does not need to contact the ear canal, so the open earphone does not press the ear canal, and the open earphone is not uncomfortable to wear for a long time, but the wearer can hear a part of external sounds, such as environmental noise, other people speaking, and the like, and the use experience can be affected.

Disclosure of utility model

The present utility model is directed to providing an open earphone and a main structure thereof, which address at least one of the drawbacks of the related art mentioned in the background art.

The technical scheme adopted for solving the technical problems is as follows: a body structure of an open earphone is constructed, the body structure comprising:

A first sound inlet part communicated with the auditory canal is formed on one side of the shell, and a first mounting part is arranged on the inner side wall of the shell at the first sound inlet part; and/or one side of the shell is provided with a second sound inlet part communicated with the outside, and the inner side wall of the shell at the second sound inlet part is provided with a second installation part;

the first pickup and/or the second pickup are/is arranged on the first installation part, and a first pickup hole of the first pickup is communicated with the first sound inlet part and is used for picking up auditory canal noise; and/or, the second pickup is installed on the second installation part, and the second pickup hole of the second pickup is communicated with the second sound inlet part and is used for picking up environmental noise.

Preferably, in the main body structure of the open earphone according to the present utility model, the first sound pickup hole of the first sound pickup corresponds in position to the first sound inlet portion; and/or, the second sound pick-up hole of the second sound pick-up corresponds to the second sound inlet part in position.

Preferably, in the main body structure of the open earphone according to the present utility model, the first sound pickup hole of the first sound pickup faces toward or away from the first sound inlet; and/or, the second sound pick-up hole of the second sound pick-up faces or faces away from the second sound inlet part.

Preferably, in the main body structure of the open earphone according to the present utility model, the main body structure further includes:

The shell is provided with an inner cavity, the sound generating unit is arranged in the shell and divides the inner cavity into a front cavity and a rear cavity, the front cavity is opposite to the sound generating side of the sound generating unit, and the rear cavity is opposite to the sound generating side of the sound generating unit;

wherein, first adapter is located preceding cavity, and/or the second adapter is located the back cavity.

Preferably, in the main body structure of the open earphone according to the present utility model, the housing includes:

A front housing, the sound unit and the front housing together defining the front cavity;

a rear housing, the sound unit and the rear housing together defining the rear cavity;

the first sound inlet part is arranged on the front shell, and/or the second sound inlet part is arranged on the rear shell.

Preferably, in the main body structure of the open earphone according to the present utility model, the first sound pickup hole of the first sound pickup and/or the second sound pickup hole of the second sound pickup are located on the axis of the sound emitting unit.

and the switching circuit board is electrically connected with the first pickup and/or the second pickup and is used for transmitting the auditory canal noise signals and the environment noise signals.

Preferably, in the main body structure of the open earphone according to the present utility model, the switching circuit board is integrated on the sound generating unit, and the first sound pickup and/or the second sound pickup are electrically connected to the switching circuit board through signal transmission lines, respectively;

The inner side wall of the shell is provided with a containing part for containing the signal transmission line.

Preferably, in the main body structure of the open earphone according to the present utility model, the first sound inlet portion and/or the second sound inlet portion are sound inlet holes, and the first mounting portion and/or the second mounting portion are mounting grooves.

The utility model also constructs an open earphone comprising a wearing structure and a main body structure as described in any of the above.

By implementing the utility model, the following beneficial effects are achieved:

The noise reduction pickup structure can improve noise reduction performance by picking up the auditory canal noise and/or the environmental noise, and provides good immersive experience while meeting the comfort of an open earphone.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an open earphone of the present utility model;

Fig. 2 is a schematic view of a main body structure of an open earphone according to a first embodiment of the present utility model, in which a first sound pickup and a second sound pickup are shown in a state of not being mounted in a housing;

FIG. 3 is an exploded schematic illustration of FIG. 2;

Fig. 4 is a second explosion diagram of fig. 2.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "disposed," and "located" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or chemically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1 and 2, a first embodiment of the present utility model discloses a main body structure 1 of an open earphone, the main body structure 1 including a housing 11, a first sound pickup 12 and a second sound pickup 13, specifically as follows:

As shown in fig. 3, a first sound inlet 1111 for communicating with the auditory canal is provided at one side of the housing 11, a first mounting portion 1112 is provided on an inner sidewall of the housing 11 at the first sound inlet 1111, the first pickup 12 is mounted on the first mounting portion 1112, and a first pickup hole 121 of the first pickup 12 is communicated with the first sound inlet 1111 for picking up auditory canal noise.

As shown in fig. 4, a second sound inlet portion 1121 for communicating with the outside is formed on one side of the housing 11, a second mounting portion 1122 is formed on an inner side wall of the housing 11 at the second sound inlet portion 1121, the second pickup 13 is mounted on the second mounting portion 1122, and the second pickup hole 131 of the second pickup 13 is communicated with the second sound inlet portion 1121 for picking up environmental noise.

In some embodiments, the first sound pickup hole 121 of the first sound pickup 12 corresponds in position to the first sound inlet 1111, and the second sound pickup hole 131 of the second sound pickup 13 corresponds in position to the second sound inlet 1121. The first sound pickup hole 121 of the first sound pickup 12 faces the first sound inlet 1111, and the second sound pickup hole 131 of the second sound pickup 13 faces the second sound inlet 1121, preferably facing each other. It should be appreciated that, in other embodiments, the first sound pickup hole 121 of the first sound pickup 12 faces away from the first sound inlet portion 1111, and the second sound pickup hole 131 of the second sound pickup 13 faces away from the second sound inlet portion 1121, so long as the first sound pickup hole 121 of the first sound pickup 12 is communicated with the first sound inlet portion 1111 and the second sound pickup hole 131 of the second sound pickup 13 is communicated with the second sound inlet portion 1121, which is not limited herein.

In some embodiments, the first sound pickup 12 and the second sound pickup 13 are sound pickup elements such as silicon microphone or electret, which are not limited herein. The first sound inlet 1111 and the second sound inlet 1121 are at least one sound inlet, and it is understood that there may be at least two, three or any number of sound inlets.

The first mount 1112 and the second mount 1122 are mount grooves, preferably U-shaped grooves as shown in fig. 3 and 4, and the opening directions of the U-shaped grooves are determined according to the positions of the first sound pickup 12 and the second sound pickup 13 after bending, and are not limited herein. It will be appreciated that in other embodiments, the first mounting portion 1112 and the second mounting portion 1122 may be components such as mounting snaps that perform a mounting and securing function, and are not limited herein.

In this embodiment, for convenience of installation, guide surfaces for guiding installation are provided on the first mounting portion 1112 and the second mounting portion 1122 in the installation direction of the first sound pickup 12 and the second sound pickup 13, as the guide surface 1113 on the first mounting portion 1112 shown in fig. 3. In some embodiments, the guiding surface 1113 is an inclined plane or an inclined cambered surface, and the like, which is not limited herein.

In this embodiment, as shown in fig. 3, in order to prevent dust from entering the inner cavity of the housing 11, the main body structure 1 further includes a dust-proof member 14, and the dust-proof member 14 is disposed on the outer side wall of the housing 11 at the second sound inlet portion 1121. Or the dust-proof member 14 is provided in the second sound inlet 1121. In some embodiments, the dust-proof member 14 is a tuning net of polyester, etc., and is not limited herein.

Also, in order to prevent howling and aesthetic appearance, the main structure 1 further includes a mesh cover 18, and the mesh cover 18 is provided on an outer sidewall of the housing 11 at the second sound inlet portion 1121.

In this embodiment, as shown in fig. 3 and 4, the main structure 1 further includes a sound generating unit 15, the housing 11 has an inner cavity, the sound generating unit 15 is disposed in the housing 11 and divides the inner cavity into a front cavity and a rear cavity, the front cavity is opposite to the sound generating side of the sound generating unit 15, and the rear cavity is opposite to the sound generating side of the sound generating unit 15. Wherein, first adapter 12 is located the front chamber, and second adapter 13 is located the back chamber. It should be noted that, the front cavity is a cavity close to the wearing ear, and the rear cavity is a cavity far away from the wearing ear.

The housing 11 corresponding to the front cavity is provided with a sound outlet 1114 for communicating with the auditory canal, and the sound outlet unit transmits sound into the auditory canal through the sound outlet 1114. In some embodiments, the sound outlet 1114 is at least one sound outlet, and it is understood that there may be at least two, three, or any number of sound outlets.

Specifically, the housing 11 includes a front case 111 and a rear case 112, the sound generating unit 15 and the front case 111 define a front cavity together, and the sound generating unit 15 and the rear case 112 define a rear cavity together. The first sound inlet 1111 is disposed on the front housing 111, and the second sound inlet 1121 is disposed on the rear housing 112.

Preferably, the first sound pickup hole of the first sound pickup 12 and the second sound pickup hole 131 of the second sound pickup 13 are located on the axis of the sound unit 15, and since the first sound pickup hole of the first sound pickup 12 and the second sound pickup hole 131 of the second sound pickup 13 correspond in position to the first sound inlet 1111 and the second sound inlet 1121, respectively, the positions of the first sound inlet 1111 and the second sound inlet 1121 on the housing 11 vary with the axis of the sound unit 15, for example, the first sound inlet 1111 and the second sound inlet 1121 are located at the centers of the front case 111 and the rear case 112 or at other positions. In some embodiments, the sound generating unit 15 is a circular, square, or long kidney horn, or a multi-unit horn, which is not limited herein. When the sound generating unit 15 is circular, its axis is the center of a circle, and when the sound generating unit 15 is square or long waist, its axis is the intersection point of its symmetry axes.

In the present embodiment, the rear case 112 is provided with an air-permeable portion 1123 for adjusting the sound quality. In some embodiments, the ventilation portion 1123 is at least one ventilation hole, and it is understood that it may be at least two, three, or any number of ventilation holes. Preferably, the rear housing 112 is provided with a plurality of ventilation holes arranged at intervals along the circumferential direction thereof.

In this embodiment, as shown in fig. 3 and 4, the main body structure 1 further includes a switching circuit board 16, the switching circuit board 16 is electrically connected with the first sound pickup 12 and the second sound pickup 13, the switching circuit board 16 is used for transmitting the picked-up ear canal noise signal and the environmental noise signal to the control host in the wearing structure 2, the control host feeds back the control signal according to the ear canal noise signal and the environmental noise signal, and the sound generating unit 15 generates sound waves opposite to waveforms of the ear canal noise and the environmental noise according to the control signal, so that the sound waves are cancelled in a positive-negative manner.

In some embodiments, as shown in fig. 3 and 4, the adapting circuit board 16 is integrated on the sounding unit 15, the first sound pickup 12 and the second sound pickup 13 are electrically connected with the adapting circuit board 16 through the signal transmission lines 17, the adapting circuit board 16 is integrated on the sounding unit 15 and opposite to the sounding side thereof, and the inner side wall of the housing 11 is provided with a containing portion for containing the signal transmission lines 17, including a first containing portion 1115 on the front housing 111 and a second containing portion 1124 on the rear housing 112. During installation, the signal transmission line 17 can be bent towards the front cavity and the rear cavity, the first pickup 12 is installed on the first installation portion 1112 after bending, the second pickup 13 is installed on the second installation portion 1122, and the signal transmission line 17 is respectively accommodated in the first accommodating portion 1115 and the second accommodating portion 1124. For example, the receiving portion is a receiving groove, and is connected to an opening of the U-shaped groove, and the signal transmission line 17 may be received in the receiving groove by bonding. It will be appreciated that in other embodiments, the first microphone 12 and the second microphone 13 may be electrically connected to the adaptor circuit board 16 by soldering, etc., which is not limited herein.

As shown in fig. 1 and 2, a second embodiment of the present utility model discloses a main body structure 1 of an open earphone, which lacks a first sound inlet 1111, a first mounting portion 1112 and a first sound pickup 12 compared with the first embodiment, and specifically the main body structure 1 includes a housing 11 and a second sound pickup 13, specifically as follows:

In some embodiments, the second sound pickup hole 131 of the second sound pickup 13 corresponds in position to the second sound inlet 1121. The second sound pickup hole 131 of the second sound pickup 13 is preferably facing the second sound inlet 1121. It should be appreciated that, in other embodiments, the second sound pickup hole 131 of the second sound pickup 13 faces away from the second sound inlet 1121, so long as the second sound pickup hole 131 of the second sound pickup 13 is able to communicate with the second sound inlet 1121, which is not limited herein.

In some embodiments, the second sound pickup 13 is a sound pickup element such as a silicon microphone or an electret, which is not limited herein. The second sound inlet 1121 is at least one sound inlet, and it is understood that there may be at least two, three or any number of sound inlets.

The second mounting portion 1122 is a mounting groove, preferably a U-shaped groove as shown in fig. 4, and the opening direction of the U-shaped groove is not limited here, and may be determined according to the position of the second sound pickup 13 after bending. It will be appreciated that in other embodiments, the second mounting portion 1122 may be a component such as a mounting buckle that performs a mounting and fixing function, which is not limited herein.

In this embodiment, for convenience of installation, a guide surface for guiding installation is provided on the second installation portion 1122 in the installation direction of the second sound pickup 13. In some embodiments, the guiding surface is an inclined plane or an inclined cambered surface, and the like, which is not limited herein.

In this embodiment, as shown in fig. 3 and 4, the main structure 1 further includes a sound generating unit 15, the housing 11 has an inner cavity, the sound generating unit 15 is disposed in the housing 11 and divides the inner cavity into a front cavity and a rear cavity, the front cavity is opposite to the sound generating side of the sound generating unit 15, and the rear cavity is opposite to the sound generating side of the sound generating unit 15. Wherein the second pickup 13 is located in the rear cavity. It should be noted that, the front cavity is a cavity close to the wearing ear, and the rear cavity is a cavity far away from the wearing ear.

Specifically, the housing 11 includes a front case 111 and a rear case 112, the sound generating unit 15 and the front case 111 define a front cavity together, and the sound generating unit 15 and the rear case 112 define a rear cavity together. The second sound inlet 1121 is disposed on the rear housing 112. Preferably, the second sound inlet 1121 is opened at the center of the rear case 112.

Preferably, the second sound pickup hole 131 of the second sound pickup 13 is located on the axis of the sound unit 15, and since the second sound pickup hole 131 of the second sound pickup 13 corresponds in position to the second sound inlet 1121, the position of the second sound inlet 1121 on the housing 11 varies with the axis of the sound unit 15, for example, the second sound inlet 1121 is located at the center of the rear case 112 or at another position. In some embodiments, the sound generating unit 15 is a circular, square, or long kidney horn, or a multi-unit horn, which is not limited herein. When the sound generating unit 15 is circular, its axis is the center of a circle, and when the sound generating unit 15 is square or long waist, its axis is the intersection point of its symmetry axes.

In this embodiment, as shown in fig. 3, the main structure 1 further includes a switching circuit board 16, the switching circuit board 16 is electrically connected with the second pickup 13, the switching circuit board 16 is used for transmitting the picked-up ambient noise signal to the control host in the wearing structure 2, the control host feeds back a control signal according to the ambient noise signal, and the sounding unit 15 generates a sound wave opposite to the ambient noise waveform according to the control signal, so that the sound wave is counteracted in a positive-negative manner.

In some embodiments, as shown in fig. 3 and 4, the adapting circuit board 16 is integrated on the sound generating unit 15, the second pickup 13 is electrically connected to the adapting circuit board 16 through the signal transmission line 17, the adapting circuit board 16 is integrated on the sound generating unit 15 and is opposite to the sound generating side thereof, and the inner side wall of the housing 11 is provided with a receiving portion for receiving the signal transmission line 17, including a second receiving portion 1124 on the rear housing 112. When in installation, the signal transmission line 17 can be bent towards the rear cavity, the second pickup 13 is installed on the second installation part 1122 after bending, and the signal transmission line 17 is accommodated on the second accommodating part 1124. For example, the receiving portion is a receiving groove, and is connected to an opening of the U-shaped groove, and the signal transmission line 17 may be received in the receiving groove by bonding. It will be appreciated that in other embodiments, the second microphone 13 may be electrically connected to the adaptor circuit board 16 by soldering, etc., which is not limited herein.

The third embodiment of the present utility model discloses a main body structure 1 of an open earphone, which lacks the second sound inlet 1121, the second mounting 1122 and the second sound pickup 13 compared with the first embodiment, and specifically the main body structure 1 includes a housing 11 and a first sound pickup 12, specifically as follows:

In some embodiments, the first sound pickup hole 121 of the first sound pickup 12 corresponds in position to the first sound inlet 1111. The first sound pickup hole 121 of the first sound pickup 12 is preferably facing the first sound inlet 1111. It should be appreciated that, in other embodiments, the first sound pickup hole 121 of the first sound pickup 12 faces away from the first sound inlet 1111, so long as the first sound pickup hole 121 of the first sound pickup 12 is capable of communicating with the first sound inlet 1111, which is not limited herein.

In some embodiments, the first sound pickup 12 is a sound pickup element such as a silicon microphone or electret, which is not limited herein. The first sound inlet 1111 is at least one sound inlet, and it is understood that there may be at least two, three or any number of sound inlets.

The first mounting portion 1112 is a mounting groove, preferably a U-shaped groove as shown in fig. 3, and the opening direction of the U-shaped groove is not limited herein, and may be determined according to the position of the first sound pickup 12 after bending. It will be appreciated that in other embodiments, the first mounting portion 1112 may be a component that performs a mounting and fixing function, such as a mounting buckle, and is not limited herein.

In this embodiment, for convenience of installation, a guide surface 1113 for guiding installation is provided on the first installation portion 1112 in the installation direction of the first sound pickup 12. In some embodiments, the guiding surface 1113 is an inclined plane or an inclined cambered surface, and the like, which is not limited herein.

In this embodiment, as shown in fig. 3, the main structure 1 further includes a sound generating unit 15, the housing 11 has an inner cavity, the sound generating unit 15 is disposed in the housing 11 and divides the inner cavity into a front cavity and a rear cavity, the front cavity is opposite to the sound generating side of the sound generating unit 15, and the rear cavity is opposite to the sound generating side of the sound generating unit 15. Wherein the first pickup 12 is located in the front cavity. It should be noted that, the front cavity is a cavity close to the wearing ear, and the rear cavity is a cavity far away from the wearing ear.

Specifically, the housing 11 includes a front case 111 and a rear case 112, the sound generating unit 15 and the front case 111 define a front cavity together, and the sound generating unit 15 and the rear case 112 define a rear cavity together. The first sound inlet 1111 is disposed on the front housing 111. Preferably, the first sound inlet 1111 is opened at the center of the front housing 111.

Preferably, the first sound pickup hole 121 of the first sound pickup 12 is located on the axis of the sound unit 15, and since the first sound pickup hole 121 of the first sound pickup 12 corresponds in position to the first sound inlet 1111, the position of the first sound inlet 1111 on the housing 11 varies with the axis of the sound unit 15, for example, the first sound inlet 1111 and the front case 111 are located at the center or other positions. In some embodiments, the sound generating unit 15 is a circular, square, or long kidney horn, or a multi-unit horn, which is not limited herein. When the sound generating unit 15 is circular, its axis is the center of a circle, and when the sound generating unit 15 is square or long waist, its axis is the intersection point of its symmetry axes.

In this embodiment, as shown in fig. 3 and 4, the main body structure 1 further includes a switching circuit board 16, the switching circuit board 16 is electrically connected to the first sound pickup 12, the switching circuit board 16 is configured to transmit the picked-up ear canal noise signal to the control host in the wearing structure 2, the control host feeds back a control signal according to the ear canal noise signal, and the sound generating unit 15 generates a sound wave opposite to the ear canal noise waveform according to the control signal, so as to cancel out the sound wave in a positive-negative manner.

In some embodiments, as shown in fig. 3 and 4, the adapting circuit board 16 is integrated on the sound generating unit 15, the first pickup 12 is electrically connected to the adapting circuit board 16 through the signal transmission line 17, the adapting circuit board 16 is integrated on the sound generating unit 15 and is opposite to the sound generating side thereof, and the inner side wall of the housing 11 is provided with a receiving portion for receiving the signal transmission line 17, including a first receiving portion 1115 on the front housing 111. During installation, the signal transmission line 17 can be bent towards the front cavity, the first pickup 12 is installed on the first installation portion 1112 after bending, and the signal transmission line 17 is accommodated in the first accommodating portion 1115. For example, the receiving portion is a receiving groove, and is connected to an opening of the U-shaped groove, and the signal transmission line 17 may be received in the receiving groove by bonding. It will be appreciated that in other embodiments, the first microphone 12 may be electrically connected to the adaptor circuit board 16 by soldering, etc., and is not limited thereto.

A fourth embodiment of the utility model discloses an open earphone comprising a wearing structure 2 and a body structure 1 as described in the first, second or third embodiment above. In some embodiments, the wearing structure 2 is a hanging structure, a neck hanging structure, a clamping structure, or the like, including a control host, which is not limited herein.

It is to be understood that the above examples represent only some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above embodiments or technical features may be freely combined, and several variations and modifications may be made, without departing from the spirit of the utility model, which fall within the scope of the utility model, i.e. the embodiments described in "some embodiments" may be freely combined with any of the above and below embodiments; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A body structure of an open earphone, the body structure comprising:

a shell (11), wherein a first sound inlet part (1111) used for being communicated with an auditory canal is formed on one side of the shell (11), and a first installation part (1112) is arranged on the inner side wall of the shell (11) at the first sound inlet part (1111); and/or, a second sound inlet part (1121) used for being communicated with the outside is arranged on one side of the shell (11), and a second mounting part (1122) is arranged on the inner side wall of the shell (11) at the second sound inlet part (1121);

A first pickup (12) and/or a second pickup (13), wherein the first pickup (12) is mounted on the first mounting portion (1112), and a first pickup hole (121) of the first pickup (12) is communicated with the first sound inlet portion (1111) for picking up ear canal noise; and/or, the second pickup (13) is mounted on the second mounting portion (1122), and the second pickup hole (131) of the second pickup (13) is communicated with the second sound inlet portion (1121) for picking up ambient noise.

2. The body structure of the open earphone according to claim 1, wherein the first sound pickup hole (121) of the first sound pickup (12) corresponds in position to the first sound inlet portion (1111); and/or, the second sound pick-up hole (131) of the second sound pick-up (13) corresponds to the second sound inlet part (1121) in position.

3. The body structure of the open earphone according to claim 2, wherein the first sound pickup hole (121) of the first sound pickup (12) faces toward or away from the first sound inlet portion (1111); and/or, the second sound pick-up hole (131) of the second sound pick-up (13) faces or faces away from the second sound inlet (1121).

4. The body structure of an open earphone of claim 1, further comprising:

The shell (11) is provided with an inner cavity, the sound generating unit (15) is arranged in the shell (11) and divides the inner cavity into a front cavity and a rear cavity, the front cavity is opposite to the sound generating side of the sound generating unit (15), and the rear cavity is opposite to the sound generating side of the sound generating unit (15);

wherein the first pickup (12) is located in the front cavity and/or the second pickup (13) is located in the rear cavity.

5. The body structure of an open earphone according to claim 4, wherein the housing (11) comprises:

A front housing (111), the sound generating unit (15) and the front housing (111) together defining the front cavity;

a rear housing (112), the sound generating unit (15) and the rear housing (112) together defining the rear cavity;

Wherein the first sound inlet part (1111) is arranged on the front shell (111), and/or the second sound inlet part (1121) is arranged on the rear shell (112).

6. The open earphone main body structure according to claim 4, wherein the first sound pickup hole (121) of the first sound pickup (12) and/or the second sound pickup hole (131) of the second sound pickup (13) are located on the axis of the sound emitting unit (15).

7. The body structure of an open earphone of claim 4, further comprising:

And the switching circuit board (16), the switching circuit board (16) is electrically connected with the first pickup (12) and/or the second pickup (13) and is used for transmitting auditory canal noise signals and environmental noise signals.

8. The main body structure of the open earphone according to claim 7, wherein the switching circuit board (16) is integrated on the sound generating unit (15), and the first sound pickup (12) and/or the second sound pickup (13) are electrically connected with the switching circuit board (16) through signal transmission lines (17), respectively;

the inner side wall of the shell (11) is provided with a containing part for containing the signal transmission line (17).

9. The body structure of an open earphone according to claim 1, wherein the first sound inlet (1111) and/or the second sound inlet (1121) are sound inlet holes, and the first mounting portion (1112) and/or the second mounting portion (1122) are mounting grooves.

10. An open earphone characterized by comprising a wearing structure (2) and a main structure according to any of claims 1-9.