Bluetooth earphone with external antenna

By designing the Bluetooth headset antenna as an external structure, connecting it to the PCBA with a metal wire and setting it inside the connector, the problem of unstable headset signal reception is solved, and better signal reception performance and a smaller headset size are achieved.

CN223452069UActive Publication Date: 2025-10-17SHENZHEN ERSILUXIN TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422491851.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-10-17
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The antenna of existing Bluetooth headsets is set inside the headset shell, which is limited by the small space and is blocked by the ear, resulting in unstable signal reception and prone to jamming and disconnection problems.

Method used

The antenna is designed as an external structure, connected to the PCBA with metal wires, and placed inside the connector. The metal wires are completely exposed to the outside to receive signals, and the RF characteristics are adapted through an impedance matching circuit to achieve signal transmission and reception.

Benefits of technology

The signal reception performance is improved, and the problem of unstable connection caused by ear obstruction is avoided. At the same time, the antenna performance is improved and the size of the earphone body is reduced without changing the size of the earphone.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bluetooth earphone with an external antenna, which comprises a PCBA fixing shell and an earphone loudspeaker fixing shell, the PCBA fixing shell and the earphone loudspeaker fixing shell are connected through a connecting piece, a PCBA is fixedly installed in the PCBA fixing shell, one side of the PCBA is provided with an antenna port, one side of the antenna port is connected with a metal wire, and the metal wire is connected with the PCBA fixing shell. And the other end of the metal wire extends into the connecting piece. According to the utility model, the metal wire is connected with the antenna port on the PCBA, the metal wire is arranged inside the connecting piece to replace the existing antenna structure, and the metal wire can be completely exposed outside the ear, so that a signal sent back by a mobile phone end can be better received and fed back to the earphone, and the receiving performance can be effectively improved; and the phenomenon that the earphone and the mobile phone end are blocked and disconnected due to ear shielding is not easy to occur.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to bluetooth headset technical field, more specifically, especially relate to a bluetooth headset of external antenna. BACKGROUND

[0002] The antenna of the existing bluetooth headset is arranged in the earphone shell, and an antenna transceiving component is arranged on the PCBA of the earphone or a copper foil is attached to the earphone shell through a spring piece. Due to the small space in the earphone shell and many other components, the antenna performance is affected, especially for the ear clip type bluetooth headset, the PCBA and the earphone shell are shielded by the ear, an antenna blind area is generated, and the earphone end antenna is shielded, causing the earphone and the mobile phone end to be connected and disconnected.

[0003] Therefore, in view of the above, the existing structure and defects are improved, and a bluetooth headset with an external antenna is provided to achieve a more practical purpose. INVENTION CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a bluetooth headset with an external antenna, which is realized by the following specific technical means:

[0005] A bluetooth headset with an external antenna, comprising a PCBA fixing shell and an earphone speaker fixing shell, the PCBA fixing shell and the earphone speaker fixing shell are connected through a connecting piece, the inside of the PCBA fixing shell is fixedly installed with a PCBA, one side of the PCBA is provided with an antenna port, and the other end of the metal wire is extended to the inside of the connecting piece.

[0006] Further, the top side of the PCBA fixing shell and the earphone speaker fixing shell is fixedly installed with a connector, and the connector is fixedly connected with both ends of the connecting piece.

[0007] Further, the two groups of connectors are connected with an inner support, and the inner support is arranged in the connecting piece.

[0008] Further, the connecting piece and the inner support are both made of silica gel.

[0009] Further, the bottom side of the connector is provided with a through hole communicating with the upper end thereof, and the inside of the inner support is provided with a mounting hole accommodating the metal wire, and one end of the mounting hole communicates with the through hole.

[0010] Further, the inside of the earphone speaker fixing shell is fixedly installed with a speaker, and the speaker is connected with the PCBA through a wire, and the main body of the wire is arranged in the connecting piece.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model discloses a metal wire is connected with the antenna port on PCBA through utilization, and the metal wire is arranged in the inside of connecting piece to replace the existing antenna structure, and the metal wire can be completely exposed outside the ear, can better accept the signal that the mobile phone end sends back and feedback to earphone, can effectively improve the receiving performance, and the phenomenon of earphone and mobile phone end connection jamming and disconnection caused by ear obstruction is not easy to appear, and the metal wire is arranged in the inside of connecting piece, can realize earphone antenna performance improvement under the condition that the product size appearance is not changed, and can effectively reduce earphone body size. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the section structure schematic diagram of the utility model.

[0014] Figure 2 It is the local structure schematic diagram of the utility model.

[0015] Figure 3 It is the overall structure schematic diagram of the utility model.

[0016] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0017] 1, PCBA fixed casing, 2, earphone loudspeaker fixed casing, 3, connecting piece, 4, PCBA, 5, metal wire, 6, wire, 7, joint, 8, inner support, 9, loudspeaker. DETAILED DESCRIPTION

[0018] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but can not be used to limit the scope of the utility model.

[0019] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" etc. is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" etc. are only for the description purpose, and can not be understood as indicating or implying relative importance.

[0020] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through intermediate medium. Embodiment

[0021] As shown in the accompanying Figure 1 to the accompanying Figure 3 As shown:

[0022] The utility model provides a kind of bluetooth headset of external antenna, including PCBA fixed shell 1 and earphone loudspeaker fixed shell 2, the PCBA fixed shell 1 and earphone loudspeaker fixed shell 2 are connected by connecting piece 3, the inside fixed mounting of PCBA fixed shell 1 is equipped with PCBA 4, and PCBA 4 is provided with bluetooth main chip, and PCBA 4 is designed line intercommunication main chip and antenna port;The side of the PCBA 4 is provided with antenna port, and the side of antenna port is connected with metal wire 5, so that metal wire 5 becomes the external antenna of radio frequency, again through the impedance matching circuit of control metal wire 5 adaptation bluetooth main chip radio frequency characteristic, the emission and reception of bluetooth signal are realized;The other end of the metal wire 5 extends to the inside of connecting piece 3.

[0023] Wherein, the top side of PCBA fixed shell 1 and earphone loudspeaker fixed shell 2 is fixedly installed with connector 7, the connector 7 is fixedly connected with the two ends of connecting piece 3 respectively, so that connecting piece 3 and PCBA fixed shell 1 and earphone loudspeaker fixed shell 2 are quickly fixedly connected.

[0024] Wherein, the inside of connecting piece 3 is provided with inner support 8 between the two groups of connector 7, so as to improve the structural strength of connecting piece 3, so that it has better elasticity.

[0025] Wherein, connecting piece 3 and inner support 8 are all silica gel materials.

[0026] Wherein, the bottom side of connector 7 is provided with through hole communicated with its upper end, the inside of inner support 8 is provided with mounting hole for accommodating metal wire 5, and one end of mounting hole is communicated with through hole, so as to quickly arrange and install metal wire 5.

[0027] Wherein, the inside of earphone loudspeaker fixed shell 2 is fixedly installed with loudspeaker 9, the loudspeaker 9 is connected with wire 6 between PCBA 4, and the main part of wire 6 is arranged in the inside of connecting piece 3, so as to control loudspeaker 9 in communication.

[0028] The working principle of the embodiment is: by connecting the metal wire 5 with the antenna port on the PCBA 4, and arranging the metal wire 5 in the inside of the connecting piece 3, the existing antenna structure is replaced, the metal wire 5 can be completely exposed outside the ear, can better receive the signal fed back from the mobile phone end and feed back to the earphone, the receiving performance can be effectively improved, and the phenomenon that the earphone and the mobile phone end are disconnected due to the ear blocking is not prone to occur; meanwhile, the metal wire 5 is arranged in the inside of the connecting piece 3, the earphone antenna performance can be improved without changing the product size and shape, and the earphone body size can be effectively reduced.

[0029] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A Bluetooth headset with an external antenna, comprising a PCBA fixed housing (1) and an earphone speaker fixed housing (2), wherein the PCBA fixed housing (1) and the earphone speaker fixed housing (2) are connected via a connector (3), and is characterized in that: A PCBA (4) is fixedly mounted inside the PCBA fixed housing (1), an antenna port is provided on one side of the PCBA (4), and a metal wire (5) is connected to one side of the antenna port, and the other end of the metal wire (5) extends to the inside of the connector (3).

2. The Bluetooth headset with an external antenna as claimed in claim 1, characterized in that: A connector (7) is fixedly mounted on the top side of both the PCBA fixed housing (1) and the headphone speaker fixed housing (2), and the connector (7) is fixedly connected to both ends of the connector (3), respectively.

3. The Bluetooth headset with an external antenna as claimed in claim 2, characterized in that: An inner support member (8) is connected between the two groups of joints (7), and the inner support member (8) is arranged inside the connecting member (3).

4. The Bluetooth headset with an external antenna as claimed in claim 3, characterized in that: The connecting piece (3) and the inner support piece (8) are both made of silicone.

5. The Bluetooth headset with an external antenna as claimed in claim 3, characterized in that: The bottom side of each joint (7) is provided with a through hole communicating with the upper end thereof, and the interior of the inner support member (8) is provided with a mounting hole for accommodating the metal wire (5), and one end of the mounting hole is communicated with the through hole.

6. The Bluetooth headset with an external antenna as claimed in claim 1, characterized in that: A speaker (9) is fixedly mounted inside the earphone speaker fixed housing (2), a wire (6) is connected between the speaker (9) and the PCBA (4), and the main body of the wire (6) is arranged inside the connector (3).