CN215379216U

CN215379216U - Antenna device for wireless Bluetooth headset and wireless Bluetooth headset

Info

Publication number: CN215379216U
Application number: CN202122014381.7U
Authority: CN
Inventors: 廖礼进
Original assignee: Shenzhen Dashi Technology Co ltd
Current assignee: Shenzhen Dashi Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-12-31
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses an antenna device for a wireless Bluetooth headset and the wireless Bluetooth headset. An antenna device for a wireless Bluetooth headset comprises a PCB and a Bluetooth antenna element electrically connected with the PCB; the Bluetooth antenna part is provided with a connecting end electrically connected with the PCB, and a set distance is formed between the part of the Bluetooth antenna part except the connecting end and the PCB. The electric connection end of the Bluetooth antenna element is connected with the PCB, and other parts are separated from the PCB by a set distance, so that the Bluetooth antenna element is prevented from being interfered by the PCB, and the Bluetooth transmission stability is improved.

Description

Antenna device for wireless Bluetooth headset and wireless Bluetooth headset

Technical Field

The utility model relates to the technical field of earphones, in particular to an antenna device for a wireless Bluetooth earphone and the wireless Bluetooth earphone.

Background

The front and back of PCB board is usually arranged in to current wireless bluetooth headset's bluetooth antenna, because bluetooth antenna and PCB board reason such as the restriction in close, earphone design space of distance, bluetooth antenna performance can receive the interference of PCB board, leads to bluetooth antenna's performance generally relatively poor. When the earphone is connected with other bluetooth communication equipment, the transmission distance of bluetooth shortens, and the stability of communication can worsen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an antenna device for a wireless Bluetooth headset and the wireless Bluetooth headset.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an antenna device for a wireless Bluetooth headset comprises a PCB and a Bluetooth antenna element electrically connected with the PCB; the Bluetooth antenna part is provided with a connecting end electrically connected with the PCB, and a set distance is formed between the part of the Bluetooth antenna part except the connecting end and the PCB.

The further technical scheme is as follows: the mounting structure of bluetooth antenna spare is arc structure or square structure.

The further technical scheme is as follows: the one end that bluetooth antenna spare is far away from the link is close to in PCB board to make bluetooth antenna spare around the PCB board outside.

The further technical scheme is as follows: the Bluetooth antenna part surrounds one end of the PCB.

The further technical scheme is as follows: and an electric contact end in electric contact with the connecting end is arranged on the side edge of the PCB.

The further technical scheme is as follows: the side edge of the PCB is provided with a connecting groove; the electric contact end is arranged on the connecting groove.

The further technical scheme is as follows: the other side of the PCB is provided with an installation groove; the one end and the mounting groove contact of link are kept away from to bluetooth antenna spare to make bluetooth antenna spare surround in the outside of PCB board.

A wireless Bluetooth earphone comprises a shell and the antenna device; the antenna device is arranged on the inner side of the shell.

A wireless Bluetooth earphone comprises a shell and the antenna device; if the mounting structure of the Bluetooth antenna element is an arc structure or a square structure, the antenna device is arranged on the inner side of the shell; the shell is provided with a hollow extension part; the extension is used for accommodating a Bluetooth antenna element.

The further technical scheme is as follows: both ends of the extension part are communicated with the inner cavity of the shell.

Compared with the prior art, the utility model has the beneficial effects that: the electric connection end of the Bluetooth antenna element is connected with the PCB, and other parts are separated from the PCB by a set distance, so that the Bluetooth antenna element is prevented from being interfered by the PCB, and the Bluetooth transmission stability is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.

Drawings

Fig. 1 is an exploded view of an antenna device for a wireless bluetooth headset according to the present invention;

fig. 2 is an exploded view of a wireless bluetooth headset of the present invention;

fig. 3 is a perspective view of a wireless bluetooth headset according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Fig. 1 to 3 are drawings of the present invention.

Referring to fig. 1, an antenna device 40 for a wireless bluetooth headset includes a PCB10 and a bluetooth antenna 20 electrically connected to the PCB 10. The bluetooth antenna element 20 is provided with a connection terminal 21 electrically connected with the PCB board 10, and a set distance is formed between the part of the bluetooth antenna element 20 except the connection terminal 21 and the PCB board 10. Wherein the set distance is determined according to the actual situation, and if the earphone is used, the set distance can be 0 to 50mm due to the limitation of the design space. The distance between the bluetooth antenna element 20 and the PCB10 enables the bluetooth antenna element 20 to be free from the interference of electronic components on the PCB10, thereby improving the stability of bluetooth transmission.

In general, the bluetooth antenna element 20 preferably has a strip structure, and may also have a block structure, a circular structure, an oval structure, or a profile structure.

For the convenience of installation, the grace of design structure, the mounting structure of bluetooth antenna spare 20 is arc structure or square structure. The end of the bluetooth antenna element 20 remote from the connection terminal 21 is close to the PCB10 so that the bluetooth antenna element 20 surrounds the outside of the PCB 10. The end of the bluetooth antenna element 20 farther from the connection terminal 21 is not a transmission terminal or a reception terminal and is not interfered by the PCB10 even if it is close to the PCB 10.

Preferably, the bluetooth antenna element 20 surrounds one end of the PCB board 10. The bluetooth antenna element 20 has one end fixed to one side of the PCB board 10 and the other end fixed to or movable from the other side of the PCB 10.

The PCB board 10 is provided at a side thereof with an electrical contact terminal 11 electrically contacting the connection terminal 21. The connection end 21 and the electrical contact end 11 may be fixedly connected by soldering. Also, a detachable plug-in connection is possible.

Preferably, the PCB board 10 is provided at its side with a coupling groove 12. The electrical contact 11 is arranged in a connecting groove 12. The connecting end 21 is a block structure, and the size of the block structure is equivalent to that of the connecting groove 12, so that the connecting end 21 and the connecting groove 12 can be easily installed when being installed and connected.

More preferably, the other side of the PCB board 10 is provided with a mounting groove 13. One end of the bluetooth antenna element 20, which is far from the connection end 21, contacts the mounting groove 13, so that the bluetooth antenna element 20 surrounds the outside of the PCB board 10. In this case, since the mounting shape of the bluetooth antenna element 20 is an arc structure or a square structure.

Wherein, the mounting groove 13 can also be provided with an electric contact end 11, and the other end of the bluetooth antenna element 20 can also be provided with a connecting end 21.

Referring to fig. 1 to 3, a wireless bluetooth headset includes a housing 30 and the antenna device 40. The antenna device 40 is disposed inside the housing 30. The housing 30 may be provided with a separate cavity for receiving the bluetooth antenna 20, so as to separate the bluetooth antenna 20 from the PCB10, thereby preventing the bluetooth antenna 20 from being interfered by the PCB 10.

If the mounting structure of the antenna device 40 is an arc structure or a square structure, the housing 30 is provided with a hollow extension 31. The extension 31 is used to accommodate the bluetooth antenna element 20.

Both ends of the extension 31 communicate with the inner cavity of the case 30 so that one or both ends of the bluetooth antenna element 20 can be connected with the PCB board 10. A through hole 32 is formed between the extension 31 and the housing 30, so that the bluetooth antenna element 20 is less susceptible to interference from the PCB board 10.

Compared with the prior art, the electric connection end of the Bluetooth antenna element 20 is connected with the PCB10, and the other parts are separated from the PCB10 by a set distance, so that the Bluetooth antenna element 20 is prevented from being interfered by the PCB10, and the stability of Bluetooth transmission is improved.

The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the utility model is subject to the claims.

Claims

1. An antenna device for a wireless Bluetooth headset is characterized by comprising a PCB and a Bluetooth antenna element electrically connected with the PCB; the Bluetooth antenna part is provided with a connecting end electrically connected with the PCB, and a set distance is formed between the part of the Bluetooth antenna part except the connecting end and the PCB.

2. The antenna device for a wireless bluetooth headset of claim 1, wherein the mounting structure of the bluetooth antenna element is an arc structure or a square structure.

3. An antenna assembly for a wireless bluetooth headset according to claim 2, wherein the end of the bluetooth antenna element remote from the connection terminal is close to the PCB such that the bluetooth antenna element surrounds the outside of the PCB.

4. An antenna assembly for a wireless bluetooth headset according to claim 3, wherein the bluetooth antenna element surrounds one end of the PCB.

5. An antenna device for a wireless bluetooth headset according to claim 1, wherein the side of the PCB board is provided with an electrical contact terminal that is in electrical contact with the connection terminal.

6. The antenna device for the wireless bluetooth headset of claim 5, wherein the side of the PCB board is provided with a connection groove; the electric contact end is arranged on the connecting groove.

7. The antenna device for the wireless Bluetooth headset of claim 6, wherein the other side of the PCB board is provided with a mounting groove; the one end and the mounting groove contact of link are kept away from to bluetooth antenna spare to make bluetooth antenna spare surround in the outside of PCB board.

8. A wireless Bluetooth headset comprising a housing, the antenna device of any one of claims 1 to 7; the antenna device is arranged on the inner side of the shell.

9. A wireless bluetooth headset comprising a housing, the antenna apparatus of claim 2; the antenna device is arranged on the inner side of the shell; the shell is provided with a hollow extension part; the extension is used for accommodating a Bluetooth antenna element.

10. The wireless bluetooth headset of claim 9, wherein both ends of the extension portion are in communication with the inner cavity of the housing.