CN207783075U - A kind of bluetooth headset - Google Patents
A kind of bluetooth headset Download PDFInfo
- Publication number
- CN207783075U CN207783075U CN201721806345.1U CN201721806345U CN207783075U CN 207783075 U CN207783075 U CN 207783075U CN 201721806345 U CN201721806345 U CN 201721806345U CN 207783075 U CN207783075 U CN 207783075U
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- module
- bluetooth headset
- switch
- expansion
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Abstract
The utility model discloses a kind of bluetooth headset, including built-in antenna module, switch module, the switch module is connected to the built-in antenna module；The bluetooth headset can connect the expansion module for being built-in with extended antenna module, and when the bluetooth headset is connect with the expansion module, the switch module is connected to the extended antenna module from being connected to switch to the built-in antenna module.When there is communication quality problem in the equipment such as double wireless Bluetooth headsets and mobile phone, bluetooth headset switches to the extended antenna module from earphone built-in aerial communication and is communicated, the communication quality for improving double equipment such as wireless Bluetooth headsets and mobile phone, increases the communication distance of the equipment such as itself and mobile phone.
Description
Technical field
The utility model belongs to wireless communications products field, specifically, being to be related to a kind of bluetooth headset.
Background technology
In short-distance wireless communication field, Bluetooth technology so that the communication between a variety of digital products or equipment is more at present
Simple and convenient, application in mobile communication of the advantages of bluetooth headset relies on its wireless short-distance steady signal transmission is increasingly wide
It is general, and by the favorable comment of a large amount of users.Existing earphone is usually only equipped with powerclass2 standard hardwares, and communication distance exists
Within 10m, i.e., bluetooth headset can only in the range of 10m signal stabilization, when the equipment apart from mobile phone etc. be more than 10m when, earphone
Signal will appear interim card, and interrupted problem influences the hearing enjoying of people.
Utility model content
The utility model provides a kind of bluetooth headset, realizes that bluetooth headset is occurring communicating matter apart from equipment such as mobile phones farther out
The signal quality for improving bluetooth headset when amount problem, increases the communication distance of the equipment such as itself and mobile phone.
In order to solve the above technical problems, the bluetooth headset of the utility model is achieved using following technical scheme：
A kind of bluetooth headset, including built-in antenna module, switch module；The switch module and the built-in antenna module
Connection；The bluetooth headset can connect the expansion module for being built-in with extended antenna module, in the bluetooth headset and the extension
When module connects, the switch module is connected to the extended antenna module from being connected to switch to the built-in antenna module.
Further, the bluetooth headset further includes expansion module connecting seat, is connect with the switch module.
Further, the bluetooth headset further includes switch control module, is connect with the switch module, and controls institute
Switch module is stated to be connected to the built-in antenna module or be connected to the expansion module connecting seat.
In order to realize that the bluetooth headset is automatically selected using the built-in antenna module or the extended antenna module,
The bluetooth headset further includes grafting detection module, is used for when the expansion module is connect with the expansion module connecting seat,
It generates detection signal and is sent to the switch control module, so that the switch control module controls institute according to the detection signal
State switch module.
Further, the bluetooth headset further includes baseband module and radio-frequency module；The baseband module and the radio frequency
Module connects；The radio-frequency module is connect with the switch module.
Preferably, the switch module is single-pole double-throw switch (SPDT).
The specific design of one kind as the expansion module, the expansion module include extended antenna module, connecting line,
Connector；The extended antenna module is connected to by the connecting line with the connector；The connector and the expanded mode
Block connecting seat grafting is adapted to.
Further, the linear impedance of the connecting line is 50 Ω.
Preferably, the extended antenna module is onboard type antenna.
Compared with prior art, the advantages of a kind of bluetooth headset of the utility model and good effect is：Use this practicality
Novel bluetooth headset can be when there is communication quality problem farther out apart from the equipment such as mobile phone distance in it from using built-in aerial mould
Block carries out communicating to be switched to being communicated using extended antenna module, improves the communication quality of the equipment such as bluetooth headset and mobile phone,
Increase the communication distance between the equipment such as bluetooth headset and mobile phone.
Description of the drawings
Fig. 1 is a kind of functional block diagram of the embodiment one for bluetooth headset that the utility model is proposed；
Fig. 2 is a kind of functional block diagram of the embodiment two for bluetooth headset that the utility model is proposed.
In figure, the corresponding title of each label is as follows：
1, built-in antenna module；2, switch module；3, expansion module；4, expansion module connecting seat；5, switch control module；
6, grafting detection module；7, baseband module；8, radio-frequency module；9, antenna switching push button；301, connector；302, connecting line；
303, extended antenna module.
Specific implementation mode
A kind of specific implementation mode of bluetooth headset of the utility model is said in further detail below in conjunction with the accompanying drawings
It is bright.
Referring to Figures 1 and 2, a kind of bluetooth headset of the utility model includes built-in antenna module 1, switch module；Switch
Module is connected to built-in antenna module 1；And bluetooth headset can be connect with the expansion module 3 for being built-in with extended antenna module 303；
When expansion module 3 is connect with bluetooth headset, switch module 3 is switched to and extended antenna mould from being connected to built-in antenna module 1
Block 303 is connected to.Occurs communicating bad, improvement communication matter when solving the problems, such as bluetooth headset apart from the equipment such as mobile phone distance farther out
Amount increases communication distance.
Below by two specific embodiments, specific design and operation principle to the bluetooth headset of the utility model into
Row elaborates.
Embodiment one, referring to Fig.1, expansion module 3 include connector 301, connecting line 302 and extended antenna module 303；Expand
Exhibition Anneta module 303 is connected to by connecting line 302 with connector 301.Switch module is single-pole double-throw switch (SPDT) 2 comprising public
End, first end, second end and control terminal, and its normality is that common end is connected to first end.Bluetooth headset further includes expansion module
Connecting seat 4, switch control module 5, grafting detection module 6, baseband module 7, radio-frequency module 8.Baseband module 7 and radio-frequency module 8
Connection；Radio-frequency module 8 is connect with the common end of single-pole double-throw switch (SPDT) 2；Built-in antenna module 1 and the first of single-pole double-throw switch (SPDT) 2
End connection；Expansion module connecting seat 4 is connect with the second end of single-pole double-throw switch (SPDT) 2；Switch control module 5 is opened with single-pole double throw
2 control terminal connection is closed, and controls its common end of the switching of single-pole double-throw switch (SPDT) 2 and is connected to its first end or connects with its second end
It is logical, that is, it controls radio-frequency module 8 and is connected to built-in antenna module 1 or is connected to expansion module connecting seat 4；Grafting detection module 6
It is connect respectively with expansion module connecting seat 4 and switch control module 5；Grafting detection module 6 detects in expansion module connecting seat 4
It is no to be already inserted into connector 301, and the signal detected is sent to switch control module 5；Switch control module 5 is according to connecing
The signal control single-pole double-throw switch (SPDT) 2 received acts.It has been inserted in expansion module connecting seat 4 if grafting detection module 6 detects
Enter connector 301, then switch control module 5 according to grafting signal control single-pole double-throw switch (SPDT) 2 by its common end and its second
Radio-frequency module 8, i.e., be connected to expansion module connecting seat 4, i.e., be connected to extended antenna module 303 by end connection；If grafting is examined
Survey module 6, which does not detect, has been inserted into connector 301 in expansion module connecting seat 4, then switch control module 5 is believed according to non-grafting
Its common end is connected to by number control single-pole double-throw switch (SPDT) 2 with its first end, i.e., is connected to radio-frequency module 8 with built-in antenna module 1.
Bluetooth headset is communicated using built-in antenna module 1 when realizing in communication distance, communication quality occurs not beyond communication distance
Bluetooth headset is communicated using extended antenna module 303 when situation about getting well, and improves the communication of the equipment such as bluetooth headset and mobile phone
Quality increases the communication distance of double equipment such as wireless Bluetooth headsets and mobile phone.
Preferably, the controller of baseband module 1 can share as the controller of switch control module 5.
Preferably, the connector 301 of expansion module 3 uses IPEX connectors.The characteristic of the connecting line 302 of expansion module 3 hinders
Resist is 50 ohm.Further, the frequency of the extended antenna module 303 of expansion module 3 is 2.4GHz.The antenna of 2.4GHz is one
As frequency range in meaning 2400-2483MHz antenna；Preferably, extended antenna module 303 is onboard type antenna.
Embodiment two, with reference to Fig. 2, expansion module 3 includes connector 301, connecting line 302 and extended antenna module 303；Expand
Exhibition Anneta module 303 is connected to by connecting line 302 with connector 301；Switch module is single-pole double-throw switch (SPDT) 2 comprising public
End, first end, second end, control terminal, and its normality is that common end is connected to first end.The bluetooth headset of the utility model also wraps
Include expansion module connecting seat 4, switch control module 5, baseband module 7, radio-frequency module 8, antenna switching push button 9.Baseband module 7 with
Radio-frequency module 8 connects；Radio-frequency module 8 is connect with the common end of single-pole double-throw switch (SPDT) 2；Built-in antenna module 1 is opened with single-pole double throw
Close 2 first end connection；Expansion module connecting seat 4 is connect with the second end of single-pole double-throw switch (SPDT) 2；Switch control module 5 and list
The control terminal of double-pole double throw switch 2 connects, and control single-pole double-throw switch (SPDT) 2 switch its common end be connected to its first end or and its
Second end is connected to, that is, is switched radio-frequency module 8 and be connected to built-in antenna module 1 or be connected to expansion module connecting seat 4；Antenna is cut
Button 9 is changed to connect with switch control module 5；By the way that antenna switching push button 9 is manually operated signal is controlled to switch control module 5
Control single-pole double-throw switch (SPDT) 2 carries out the switching of connection antenna.When being inserted into connector 301 in expansion module connecting seat 4, then manually
Operation antenna switching push button 9 is sent to switch control module 5 and controls signal, and switch control module 5 is opened according to control signal control
It closes module 2 to be connected to its common end with its second end, i.e., is connected to radio-frequency module 8 with expansion module connecting seat 4；Work as expansion module
It is not inserted into connector 301 in connecting seat 4, then antenna switching push button 9 is manually operated and is sent to the control signal of switch control module 5,
Its common end is connected to by switch control module 5 according to control signal control single-pole double-throw switch (SPDT) 2 with its first end, i.e., by radio frequency mould
Block 8 is connected to built-in antenna module 1.Bluetooth headset is communicated using built-in antenna module 1 when realizing in communication distance, is exceeded
Bluetooth headset is communicated using extended antenna module 303 when communication quality bad situation occurs in communication distance, improves double nothings
The communication quality of the equipment such as line bluetooth headset and mobile phone increases the communication distance of double equipment such as wireless Bluetooth headsets and mobile phone.When
So, when connector 301 is inserted into expansion module connecting seat 4, it can also be operated manually antenna switching push button 9 and send control signal
To switch control module 5, make switch control module 5 according to control signal control single-pole double-throw switch (SPDT) 2 make its common end with its
One end is connected to, even if radio-frequency module 8 is connected to built-in antenna module 1, and is disconnected with expansion module connecting seat 4.
Preferably, the controller of baseband module 7 shares the controller for switch control module 5
The parameter and type of its expansion module 3 are with reference to embodiment one.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model,
It should also belong to the protection scope of the utility model.
Claims (9)
1. a kind of bluetooth headset, including built-in antenna module, which is characterized in that further include switch module, with the built-in day
Wire module is connected to；The bluetooth headset can connect the expansion module for being built-in with extended antenna module, in the bluetooth headset and institute
When stating expansion module connection, the switch module switches to and the extended antenna module from being connected to the built-in antenna module
Connection.
2. bluetooth headset according to claim 1, which is characterized in that further include expansion module connecting seat, opened with described
Close module connection.
3. bluetooth headset according to claim 2, which is characterized in that further include switch control module, with the switch
Module connects, and controls the switch module and be connected to the built-in antenna module or connect with the expansion module connecting seat
It is logical.
4. bluetooth headset according to claim 3, which is characterized in that further include grafting detection module, in the expansion
When exhibition module is connect with the expansion module connecting seat, generates detection signal and be sent to the switch control module, so that described
Switch control module controls the switch module according to the detection signal.
5. bluetooth headset according to claim 4, which is characterized in that further include baseband module and radio-frequency module；The base
Band module is connect with the radio-frequency module；The radio-frequency module is connect with the switch module.
6. bluetooth headset according to any one of claims 1 to 5, which is characterized in that the switch module is single-pole double throw
Switch.
7. bluetooth headset according to claim 2, which is characterized in that the expansion module includes extended antenna module, connects
Wiring, connector；The extended antenna module is connected to by the connecting line with the connector；The connector and the expansion
Open up module connecting seat grafting adaptation.
8. bluetooth headset according to claim 7, which is characterized in that the linear impedance of the connecting line is 50 Ω.
9. bluetooth headset according to claim 7 or 8, which is characterized in that the extended antenna module is onboard type antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806345.1U CN207783075U (en) | 2017-12-21 | 2017-12-21 | A kind of bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806345.1U CN207783075U (en) | 2017-12-21 | 2017-12-21 | A kind of bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207783075U true CN207783075U (en) | 2018-08-28 |
Family
ID=63228225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721806345.1U Active CN207783075U (en) | 2017-12-21 | 2017-12-21 | A kind of bluetooth headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207783075U (en) |
-
2017
- 2017-12-21 CN CN201721806345.1U patent/CN207783075U/en active Active
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