CN-122027936-A - Earphone

Abstract

The application mainly relates to an earphone which comprises a first shell component, a second shell component, a metal piece, a radio frequency circuit and an electric connecting piece, wherein two ends of the metal piece are respectively connected with the first shell component and the second shell component, the first shell component forms a containing cavity and is provided with a connecting part, one end of the metal piece is arranged in the connecting part, the radio frequency circuit is arranged in the containing cavity, one end of the electric connecting piece is connected with the radio frequency circuit, the other end of the electric connecting piece is arranged at intervals with the metal piece, and radio frequency signals output by the radio frequency circuit are loaded on the metal piece in an electromagnetic coupling mode through the electric connecting piece. By the mode, SAR values of the antenna assembly of the earphone can be effectively reduced, and the antenna performance of the earphone can be improved.

Inventors

• WANG CHU
• XIE JIANHUA
• CHEN YUNBIN

Assignees

• 深圳市韶音科技有限公司

Dates

Publication Date

20260512

Application Date

20241111

Claims (17)

1. 1. The utility model provides a headset, its characterized in that, headset includes first casing subassembly, second casing subassembly, metalwork, radio frequency circuit and electric connection spare, the both ends of metalwork are connected respectively first casing subassembly with second casing subassembly, first casing subassembly forms a holding chamber, and has a connecting portion, metalwork one end set up in the connecting portion, radio frequency circuit set up in the holding intracavity, the one end of electric connection spare with radio frequency circuit is connected, the other end of electric connection spare with the metalwork interval sets up, the radio frequency signal of radio frequency circuit output warp the electric connection spare loads in with electromagnetic coupling mode on the metalwork.
2. 2. The earphone of claim 1, wherein the other end of the electrical connector is disposed within the connection portion.
3. 3. The earphone of claim 2, wherein the connection part is preformed with a socket communicating with the receiving cavity, and the other end of the electrical connector is inserted into the socket.
4. 4. A headset as claimed in claim 3, wherein the connection portion is further preformed with auxiliary cavities communicating with the socket cavities and disposed crosswise to each other.
5. 5. The earphone of claim 4, wherein the other end of the electrical connector is secured within the socket cavity by glue, and the auxiliary cavity is adapted to receive a redundant portion of the glue.
6. 6. The earphone of claim 4, wherein the auxiliary cavity is formed by a first insert for securing a second insert for forming the socket cavity during molding of the connection portion.
7. 7. A headset as claimed in claim 3, wherein the socket is at least partially recessed when viewed from the exterior of the connection portion, the headset further comprising an elastic coating surrounding the connection portion and the metal member and covering the socket.
8. 8. The earphone of claim 7, wherein the socket cavity comprises a first cavity section, a second cavity section, and a third cavity section that are sequentially connected in a direction away from the receiving cavity, the first cavity section and the third cavity section being disposed in a circumferentially closed manner, and the second cavity section being disposed in a recessed manner.
9. 9. The earphone of claim 2, wherein the other end of the electrical connector is configured to be pre-embedded within the connector during the molding of the connector.
10. 10. The earphone according to claim 1, wherein the other end of the electrical connection member is spaced apart from the metal member in a predetermined spacing direction, and a projection in the spacing direction and the metal member overlap each other, a spacing distance of the other end of the electrical connection member from the metal member with respect to a projected overlapping portion of the metal member in the spacing direction is less than or equal to 1mm, and an overlapping area is greater than or equal to 1mm 2 .
11. 11. The earphone according to claim 1, wherein the metal member is arranged in a sheet shape, the other end of the electrical connection member includes a columnar body, a projection of the columnar body in a width direction of the metal member is overlapped with the metal member, and a length direction of the columnar body is arranged in the same direction as a length direction of the metal member.
12. 12. The earphone of claim 11, wherein the length of the projection of the cylinder overlapping the metal piece is between 4-6 mm.
13. 13. The headphone according to claim 1, wherein the metal member is provided in a sheet form, the other end of the electrical connection member includes a sheet-like body, a projection of the sheet-like body in a thickness direction of the metal member and the metal member overlap each other, and a main surface of the metal member and a main surface of the sheet-like body are provided opposite to each other.
14. 14. The earphone of claim 13, wherein the sheet extends in a fold line shape with respect to the projected overlapping portion of the metal member as viewed in a direction toward the main surface of the sheet.
15. 15. The earphone of claim 1, wherein the first housing assembly further comprises a first sub-housing, the first sub-housing and the connection portion cooperate to form the receiving cavity, and the first sub-housing and the connection portion are integrally formed or separately formed.
16. 16. The headphone according to claim 1, wherein the other end of the electric connection member is spaced from the metal member in a predetermined spacing direction, and a projection in the spacing direction and the metal member overlap each other, and a ratio of an overlapping area of the other end of the electric connection member with respect to a projected overlapping portion of the metal member and the metal member in the spacing direction to a spacing distance is greater than or equal to 0.15.
17. 17. The earphone of claim 1, further comprising a sound emitting assembly disposed in the second housing assembly, wherein in a worn state, the second housing assembly is disposed in the concha cavity, the first housing assembly is abutted against a backside of the auricle, the metal member is disposed around the periphery of the auricle, the metal member is disposed in a sheet shape, one side main surface of the metal member is disposed toward the auricle, and the other side main surface of the metal member is disposed away from the auricle.

Description

Earphone Technical Field The application relates to the technical field of electronic equipment, in particular to an earphone. Background With the continuous popularization of electronic devices, the electronic devices have become indispensable social and entertainment tools in daily life, and the requirements of people on the electronic devices are also increasing. The electronic equipment such as the earphone is widely applied to daily life of people, and can be matched with terminal equipment such as a mobile phone, a computer and the like for use so as to provide hearing feast for users. The earphone can be generally divided into an air-conduction earphone and a bone-conduction earphone according to the working principle of the earphone, and can be generally divided into a head-wearing earphone, an ear-clip earphone and an in-ear earphone according to the mode of wearing the earphone by a user, and can be generally divided into a wired earphone and a wireless earphone according to the interaction mode between the earphone and electronic equipment. Whereas in existing headphones equipped with an antenna assembly, the SAR value (Specific Absorption Ratio, specific absorption rate) of the antenna assembly is large and the antenna performance is poor, which greatly affects the user's experience of using the headphones. Disclosure of Invention The embodiment of the application provides an earphone, which comprises a first shell component, a second shell component, a metal piece, a radio frequency circuit and an electric connecting piece, wherein two ends of the metal piece are respectively connected with the first shell component and the second shell component, the first shell component forms a containing cavity and is provided with a connecting part, one end of the metal piece is arranged in the connecting part, the radio frequency circuit is arranged in the containing cavity, one end of the electric connecting piece is connected with the radio frequency circuit, the other end of the electric connecting piece is arranged at intervals with the metal piece, and radio frequency signals output by the radio frequency circuit are loaded on the metal piece in an electromagnetic coupling mode through the electric connecting piece. In some embodiments, the other end of the electrical connector is disposed within the connection portion. In some embodiments, the connecting portion is preformed with a socket cavity in communication with the receiving cavity, and the other end of the electrical connector is inserted into the socket cavity. In some embodiments, the connection portion is further preformed with auxiliary cavities communicating with the socket cavities and disposed intersecting each other. In some embodiments, the other end of the electrical connector is secured within the socket cavity by glue, and the auxiliary cavity is for receiving a redundant portion of the glue. In some embodiments, the auxiliary cavity is formed by a first insert for securing a second insert for forming the socket cavity during molding of the connection. In some embodiments, the connector cavity is at least partially recessed when viewed from the outside of the connection portion, and the earphone further includes an elastic coating layer covering the connection portion and the metal member and covering the connector cavity. In some embodiments, the socket cavity includes a first cavity section, a second cavity section, and a third cavity section that are sequentially communicated in a direction away from the receiving cavity, the first cavity section and the third cavity section being in a circumferentially closed arrangement, the second cavity section being in a recessed arrangement. In some embodiments, the other end of the electrical connector is configured to be pre-embedded within the connector during the molding process of the connector. In some embodiments, the other end of the electrical connector is spaced from the metal member along a predetermined spacing direction, and the projection along the spacing direction overlaps the metal member, the spacing distance between the projection overlapping portion of the other end of the electrical connector relative to the metal member and the metal member along the spacing direction is less than or equal to 1mm, and the overlapping area is greater than or equal to 1mm 2. In some embodiments, the metal piece is in a sheet-shaped arrangement, the other end of the electrical connection piece comprises a columnar body, the projection of the columnar body along the width direction of the metal piece is overlapped with the metal piece, and the length direction of the columnar body is arranged in the same direction as the length direction of the metal piece. In some embodiments, the length of the projection of the cylinder overlapping the metal piece is between 4mm-6 mm. In some embodiments, the metal member is provided in a sheet form, the other end of the electrical connection member in