US-20260129346-A1 - EARPHONE

US20260129346A1US 20260129346 A1US20260129346 A1US 20260129346A1US-20260129346-A1

Abstract

Provided is an earphone, the earphone includes: an ear hook and a sound producer connected to each other. The ear hook is hung between an auricle and the head of a user, the sound producer is located at a front side of the auricle, the sound producer includes a core housing and a microphone disposed inside the core housing, the core housing has a connection end connected to the ear hook and a free end away from the connection end, in a wearing state, the connection end is closer to the mouth of the user than the free end, a sound pickup hole is formed on the core housing, the microphone collects sound outside the earphone through the sound pickup hole, and a sound output end of the sound pickup hole is disposed closer to the connection end than a sound input end of the sound pickup hole.

Inventors

Guolin XIE
ChaoWu Li
Qianwen NIE

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251228

Claims (13)

1 . An earphone, comprising: an ear hook and a sound producer connected to each other, wherein the ear hook is hung between an auricle and the head of a user, the sound producer is located at a front side of the auricle, the sound producer includes a core housing and a microphone, the ear hook is connected to the core housing, the microphone is disposed inside the core housing, the core housing has a connection end connected to the ear hook and a free end away from the connection end, in a wearing state, the connection end is closer to the mouth of the user than the free end, a sound pickup hole is formed on the core housing and located between the free end and the connection end, the microphone collects sound outside the earphone through the sound pickup hole, and a sound output end of the sound pickup hole is disposed closer to the connection end than a sound input end of the sound pickup hole.
2 . The earphone according to claim 1 , wherein the core housing has a length direction and a thickness direction orthogonal to each other, the length direction is an interval direction between the connection end and the free end, the thickness direction is a direction toward or away from the auricle in the wearing state, and at least a portion of a hole section of the sound pickup hole is inclined relative to the length direction and the thickness direction.
3 . The earphone according to claim 2 , wherein the core housing includes a first sidewall and a second sidewall spaced apart along the thickness direction, the second sidewall is closer to the auricle than the first sidewall in the wearing state, the sound pickup hole is disposed on the first sidewall, and an extension direction of at least a portion of the hole section of the sound pickup hole has an inclination angle relative to the thickness direction greater than 0° and less than or equal to 40°.
4 . The earphone according to claim 3 , wherein a count of the sound pickup hole corresponds to a count of the microphone, along an extension direction of a line connecting a center of the sound output end and a center of the sound input end, a cross-sectional area of the sound pickup hole is uniform, and the inclination angle is in a range of 10° to 30°.
5 . The earphone according to claim 1 , further comprising a composite sound resistance mesh disposed between the sound output end of the sound pickup hole and the microphone, wherein the composite sound resistance mesh includes at least two sub sound resistance meshes stacked and spaced apart from each other, and sound input through the sound pickup hole sequentially passes through the at least two sub sound resistance meshes and then is input to the microphone.
6 . The earphone according to claim 5 , wherein a spacing distance between adjacent sub sound resistance meshes is in a range of 0.05 mm to 0.3 mm, and/or, a sound resistance of each of the at least two sub sound resistance meshes is in a range of 200 MKS Rayls to 700 MKS Rayls.
7 . The earphone according to claim 1 , wherein a count of the sound pickup hole corresponds to a count of the microphone, and a sound pickup area of the microphone is disposed closer to the connection end than the sound output end of the sound pickup hole.
8 . The earphone according to claim 2 , wherein along the length direction, a spacing distance between a sound pickup area of the microphone and the sound output end of the sound pickup hole is in a range of 2 mm to 3 mm.
9 . The earphone according to claim 5 , wherein an inner wall of the core housing has an annular partition plate, the annular partition plate surrounds to form a connecting groove, and the sound pickup hole communicates with the connecting groove; the earphone comprises a circuit board and a sound guiding seat, the sound guiding seat is disposed on a side of the circuit board facing the connecting groove and is provided with a sound guiding channel, the sound guiding seat is embedded in the connecting groove under a supporting effect of the circuit board and presses the composite sound resistance mesh between the sound guiding seat and the core housing, the microphone is disposed on another side of the circuit board away from the connecting groove, a connecting hole is provided on the circuit board, and the microphone communicates with the sound pickup hole through the connecting hole and the sound guiding channel.
10 . The earphone according to claim 1 , wherein the core housing has a length direction, a thickness direction, and a width direction orthogonal to each other, the length direction is an interval direction between the connection end and the free end, the thickness direction is a direction toward or away from the auricle in the wearing state, the core housing includes a first housing and a second housing, the first housing and the second housing are fitted to each other along the thickness direction and form a first joint seam, in the wearing state, the first housing is farther from the auricle than the second housing, the ear hook includes a transition portion, the transition portion is connected to the second housing and forms a second joint seam, at least one mounting slot in an elongated shape is provided on an outer surface of the second housing, and the first joint seam, a major axis direction of the at least one mounting slot, and the second joint seam are inclined in a same direction relative to the length direction.
11 . The earphone according to claim 10 , wherein the first housing has a first sidewall, the second housing has a second sidewall, the first sidewall and the second sidewall are spaced apart along the thickness direction, the second sidewall is closer to the auricle than the first sidewall in the wearing state, and the first joint seam, the major axis direction of the at least one mounting slot, and the second joint seam are gradually away from the second sidewall along a direction from the free end toward the connection end.
12 . The earphone according to claim 10 , wherein a minimum spacing distance between a slot edge of the at least one mounting slot and the first joint seam is in a range of 1 mm to 2 mm; and/or a minimum spacing distance between the slot edge of the at least one mounting slot and the second joint seam is in a range of 1 mm to 2 mm.
13 . The earphone according to claim 10 , further comprising a speaker assembly disposed inside the core housing, wherein the speaker assembly and the core housing form an acoustic front cavity and an acoustic rear cavity, a pressure relief hole is further provided on the second housing and located in the at least one mounting slot, the pressure relief hole communicates with the acoustic rear cavity, an acoustic mesh is disposed in the at least one mounting slot and covers the pressure relief hole, and a ratio of an area of the pressure relief hole to an area of the at least one mounting slot is in a range of 0.2 to 0.7.

Description

TECHNICAL FIELD The present disclosure relates to the field of electronic devices, and in particular to an earphone. BACKGROUND With the continuous popularization of electronic devices, electronic devices have become an indispensable tool for social interaction and entertainment in the daily lives of people. People have increasingly higher requirements for electronic devices. Electronic devices such as earphones and smart glasses have also been widely used in the daily lives of people. They can be used in conjunction with terminal devices such as mobile phones and computers to provide users with an auditory feast. However, the sound pickup effects of the microphone structures in the traditional earphones are poor. In addition, as application scenarios of earphones become more complex, requirements for wind noise reduction capabilities of earphones are also increasing, therefore making the current sound pickup effects of earphones unable to satisfy the needs of users. SUMMARY To solve the above technical problem, one technical solution adopted by the present disclosure is to provide an earphone. The earphone includes an ear hook and a sound producer connected to each other, the ear hook is hung between an auricle and the head of a user, the sound producer is located at a front side of the auricle, the sound producer includes a core housing and a microphone, the ear hook is connected to the core housing, the microphone is disposed inside the core housing, the core housing has a connection end connected to the ear hook and a free end away from the connection end, in a wearing state, the connection end is closer to the mouth of the user than the free end, a sound pickup hole is formed on the core housing and located between the free end and the connection end, the microphone collects sound outside the earphone through the sound pickup hole, and a sound output end of the sound pickup hole is disposed closer to the connection end than a sound input end of the sound pickup hole. In some embodiments, the core housing has a length direction and a thickness direction orthogonal to each other, the length direction is an interval direction between the connection end and the free end, the thickness direction is a direction toward or away from the auricle in the wearing state, and at least a portion of a hole section of the sound pickup hole is inclined relative to the length direction and the thickness direction. In some embodiments, the core housing includes a first sidewall and a second sidewall spaced apart along the thickness direction, the second sidewall is closer to the auricle than the first sidewall in the wearing state, the sound pickup hole is disposed on the first sidewall, and an extension direction of at least a portion of the hole section of the sound pickup hole has an inclination angle relative to the thickness direction greater than 0° and less than or equal to 40°. In some embodiments, a count of the sound pickup hole corresponds to a count of the microphone, along an extension direction of a line connecting a center of the sound output end and a center of the sound input end, a cross-sectional area of the sound pickup hole is uniform, and the inclination angle is in a range of 10° to 30°. In some embodiments, the earphone further includes a composite sound resistance mesh disposed between the sound output end of the sound pickup hole and the microphone, the composite sound resistance mesh includes at least two sub sound resistance meshes stacked and spaced apart from each other, and sound input through the sound pickup hole sequentially passes through the at least two sub sound resistance meshes and then is input to the microphone. In some embodiments, a spacing distance between adjacent sub sound resistance meshes is in a range of 0.05 mm to 0.3 mm, and/or a sound resistance of each of the at least two sub sound resistance meshes is in a range of 200 MKS Rayls to 700 MKS Rayls. In some embodiments, a count of the sound pickup hole corresponds to a count of the microphone, and a sound pickup area of the microphone is disposed closer to the connection end than the sound output end of the sound pickup hole. In some embodiments, along the length direction, a spacing distance between a sound pickup area of the microphone and the sound output end of the sound pickup hole is in a range of 2 mm to 3 mm. In some embodiments, an inner wall of the core housing has an annular partition plate, the annular partition plate surrounds to form a connecting groove, and the sound pickup hole communicates with the connecting groove; and the earphone includes a circuit board and a sound guiding seat, the sound guiding seat is disposed on a side of the circuit board facing the connecting groove and is provided with a sound guiding channel, the sound guiding seat is embedded in the connecting groove under a supporting effect of the circuit board and presses the composite sound resistance mesh between the sound guiding seat