CN208316954U - A kind of wireless headset - Google Patents
A kind of wireless headset Download PDFInfo
- Publication number
- CN208316954U CN208316954U CN201820766638.XU CN201820766638U CN208316954U CN 208316954 U CN208316954 U CN 208316954U CN 201820766638 U CN201820766638 U CN 201820766638U CN 208316954 U CN208316954 U CN 208316954U
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- Prior art keywords
- wireless headset
- controller
- bluetooth module
- charging
- battery
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Abstract
The utility model discloses a kind of wireless headset, including battery；The charging circuit being electrically connected with the battery, for being that the battery charges when being electrically connected with external power supply, the charging current end of the charging circuit passes through a digital potentiometer ground connection；And controller, change to the digital potentiometer resistance of the digital potentiometer for exporting control information, the utility model keeps the charging current in earphone adjustable, may better secure battery, extends the service life of earphone.
Description
Technical field
The utility model relates to electroacoustic switch technology fields.More particularly, to a kind of wireless headset.
Background technique
With the development of wireless headset technology, the type of wireless headset on the market is more and more at present, and wireless headset exists
There is also some problems while bringing many convenient for people's lives.Wireless headset generally includes battery, Microspeaker
With the components such as microphone.Since wireless headset can not take electricity from electronic equipment, need from the battery being arranged in earphone
Take electricity.Charging circuit in current earphone generallys use one resistance of grounding connection to determine charging current, therefore, by outer
The charging current that portion's power supply charges to headset batteries is fixed, and cannot protect earphone and battery well, and earphone life time is short.
Utility model content
The purpose of this utility model is to provide a kind of wireless headsets to adjust charging with the extension of service time of battery
Electric current improves earphone service life to protect battery.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
The utility model discloses a kind of wireless headsets, including
Battery；
The charging circuit being electrically connected with the battery, for being that the battery charges when being electrically connected with external power supply, institute
The charging current end for stating charging circuit passes through a digital potentiometer ground connection；And
Controller changes to the digital potentiometer resistance of the digital potentiometer for exporting control information.
Preferably, the wireless headset further comprises being electrically connected with the controller for detecting the temperature of environment temperature
Spend sensor；
The controller is used to obtain the environment temperature of the temperature sensor detection, and is obtained according to the environment temperature
The control information.
Preferably,
Bluetooth module and timer are equipped in the wireless headset；
The bluetooth module, which is used to start the timer when first used in wireless headset, carries out timing；
The controller is used to obtain the timing of the timer, and obtains the control information according to the timing.
Preferably, the wireless headset further comprises bluetooth module, timer and the use being electrically connected with the controller
In the temperature sensor of detection environment temperature；
The controller is used to obtain the environment temperature of the temperature sensor detection, and according to the timing of the timer
The control information is exported with the environment temperature.
Preferably, the bluetooth module can be connect with exterior terminal signal；
The bluetooth module obtains charging current corresponding with the control information for obtaining the control information,
And the charging current is transmitted to the exterior terminal.
Preferably, the bluetooth module can be connect with exterior terminal signal；
The bluetooth module is used to obtain the environment temperature of the temperature sensor detection, and the environment temperature is transmitted
To the exterior terminal.
Preferably, the wireless headset further comprises bluetooth module, and the bluetooth module is for receiving exterior terminal
The adjustment instruction is simultaneously transmitted to the controller by the adjustment instruction of transmission；
The controller is for receiving the adjustment instruction and obtaining the control information according to the adjustment instruction.
Preferably, the charging circuit includes electric current setting pin, and the digital potentiometer is arranged with the electric current respectively
Pin is connected with ground terminal.
Preferably,
The wireless headset is equipped with the charging interface that can be electrically connected with external power supply；
The digital potentiometer, the controller and the charging circuit are electrically connected with the charging interface respectively.
Preferably, the charging interface is USB interface or Type-C interface.
The beneficial effects of the utility model are as follows:
The wireless headset of the utility model accesses digital potentiometer in the charge circuit, so that charging circuit determines charging electricity
The pin of stream is grounded by digital potentiometer, and the further controller of setting control digital potentiometer, can be changed by controller
Become the resistance value of digital potentiometer, to change the charging current of charging circuit input battery, charging current can make according to battery
Rationally it is arranged with parameters such as time, environment temperatures, and passes through controller to the resistance adjustment of digital potentiometer to be set
Fixed charging current.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows a kind of schematic diagram of one specific embodiment of wireless headset of the utility model；
Fig. 2 shows a kind of circuit diagrams of one specific embodiment of wireless headset of the utility model.
Appended drawing reference:
1, battery, 2, charging circuit, 3, digital potentiometer, 4, controller, 5, temperature sensor, 6, charging interface, 7, indigo plant
Tooth module, 8, loudspeaker, 9, microphone.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
As depicted in figs. 1 and 2, one aspect according to the present utility model, one for disclosing a kind of wireless headset are specific
Embodiment, in the present embodiment, wireless headset include battery 1, the charging circuit 2 and controller that are electrically connected with the battery 1
4。
Wherein, the charging circuit 2 charges when being electrically connected with external power supply for the battery 1, the charging circuit 2
Charging current end by a digital potentiometer 3 be grounded the exportable control information of the controller 4 to the digital potentiometer 3 with
Change the resistance of the digital potentiometer 3.
Preferably, when BQ2404 chip can be selected in charging circuit 2.
Preferably, MAX5434 chip can be selected in digital potentiometer 3.The electric current of digital potentiometer 3 and charging circuit 2 is arranged
Pin electrical connection, i.e., in the present embodiment, when BQ2404 chip can be selected in charging circuit 2, BQ2404 chip includes that electric current setting is drawn
Foot ISEI1, the end L of digital potentiometer 3 are connect with the end ISEI1 of BQ2404 chip, the end the W ground connection of digital potentiometer 3.
Preferably, MSP430G2553 chip can be selected in the controller 4.
In the present embodiment, digital potentiometer 3 uses MAX5434 chip, the clock end SCL and data terminal of MAX5434 chip
SDA is connect with the output end of controller 4 respectively, i.e., connect with P1.6 the and P1.7 pin of MSP430G2553 chip, controller 4
Clock signal is exported to the end SCL of digital potentiometer 3 by P1.6 pin, and controllable digital potentiometer 3 opens or closes, and controls
Device 4 processed is by P1.6 pin output control information, so that the resistance of digital potentiometer 3 changes.
In being preferably carried out mode, the wireless headset further comprises being electrically connected with the controller 4 for examining
Survey the temperature sensor 5 of environment temperature, the controller 4 can obtain the environment temperature that the temperature sensor 5 detects, and according to
The environment temperature obtains the control information.Wherein, DS18B20 chip preferably can be used in temperature sensor 5.
Controller 4 exports control information according to the environment temperature of 5 real-time detection of temperature sensor, makes digital potentiometer 3
The resistance for accessing charging circuit 2 changes, and by the way that the corresponding relationship of temperature and charging current is arranged, makes wireless headset to battery 1
Charging current can automatically adjust according to different ambient temperature conditions, be caused with preventing temperature excessively high to the earphone in charging
Adverse effect even results in dangerous generation.
In other embodiments, bluetooth module 7 and timer are additionally provided in the wireless headset.Wherein, the bluetooth
Module 7 can control when first used the timer initiation in wireless headset and carry out timing.The controller 4 can obtain in real time
The timing of the timer, and the control information is obtained according to clocking information
The controller 4 can judge the use time of battery 1 according to clocking information, according to being arranged using the time for battery 1
Corresponding charging current, so as to adjust the resistance value that digital potentiometer 3 accesses charging circuit 2 by controller 4, in turn
Obtain corresponding charging current.To, as battery 1 uses the extension of time, the chemical reaction when charging inside battery 1
Change, can by adapt to reduce battery 1 charging current, so that battery 1 is stored more electricity, with to battery 1 into
Row is preferably protected.Preferably, when the wireless headset includes being electrically connected with the controller 4 for detecting environment temperature
When temperature sensor 5, the environment temperature that controller 4 can also integrate the clocking information of acquisition and detection obtains obtains the control letter
Breath, to realize the selection to the optimal charging current of battery 1.
In being preferably carried out mode, the shell is equipped with the charging interface 6 that can be electrically connected with external power supply, the number
Control potentiometer 3, the controller 4 and the charging circuit 2 are electrically connected with the charging interface 6.The digital potentiometer 3 and institute
It states controller 4 to be electrically connected with charging interface 6, when charging to battery 1, charging interface 6 is connect with external power supply, thus number
Control potentiometer 3 and controller 4 can also take electricity from external power supply, to can avoid digital potentiometer 3 and controller 4 from battery 1
Electricity is taken, 1 electric quantity consumption of battery is caused.Preferably, USB interface or Type-C interface can be selected in the charging interface 6, certainly,
In practical application, other charging interfaces 6 that can be electrically connected with external power supply also can be selected, the utility model does not limit this
It is fixed.
Bluetooth module 7 is further also provided in being preferably carried out mode, in earphone, bluetooth module 7 may include bluetooth core
Piece and bluetooth transmitters can realize that bluetooth wireless connection and communication, bluetooth module 7 can be used for controlling earphone just with exterior terminal
Often work.Wherein, CSR8675 chip preferably can be used in bluetooth module 7.
In being preferably carried out mode, bluetooth module 7 can control the on-off being electrically connected between charging circuit 2 and battery 1, from
And charging circuit 2 is controlled to the charging process of battery 1, it can be achieved that disconnecting charging circuit 2 and electricity for example after battery 1 is fully charged
The electrical connection in pond 1 terminates charging process, to protect to battery 1.
Further, in other embodiments, bluetooth module 7 can obtain the control information that the controller 4 exports, root
Charging circuit 2 is obtained to the charging current of battery 1 according to the control information, and the charging current is transmitted to the outside eventually
End, so that user can learn the charge informations such as 1 electricity of charging current or battery of battery 1 in real time.
In being preferably carried out mode, the wireless headset further comprises can obtain the temperature sensor 5 in real time
The environment temperature can be transmitted to the outside by the environment temperature of detection, the bluetooth module 7 together with the charging current
Terminal, so that user can know the temperature environment in earphone in real time, the temperature environment and charging current of user monitoring earphone, when
It is excessively high or when charging current is excessively high to there is environment temperature, external power supply can be disconnected in time, protection or further is carried out to battery 1
Maintenance.
It include bluetooth module 7 in the wireless headset in optionally embodiment, the bluetooth module 7 can receive outer
The adjustment instruction is simultaneously transmitted to the controller 4 by the adjustment instruction of portion's terminal transmission, and the controller 4 can receive the tune
Whole instruction simultaneously obtains the control information according to the adjustment instruction.Wherein, exterior terminal can be mobile phone, computer or IPAD etc.
Terminal device, the settable APP for administrative staff's human-computer interaction on terminal device, shows charging current or environment to user
Temperature information, terminal device can also be operated to bluetooth module 7 in response to the adjusting of administrative staff by APP and send adjustment signal,
The adjustment signal is corresponding with the charging current that administrative staff set, and received adjustment signal can be transmitted to control by bluetooth module 7
Device 4, controller 4 adjust digital potentiometer 3 according to the adjustment signal and access the resistance value of charging circuit 2, to make charging electricity
The charging current that road 2 inputs battery 1 changes, can be to different batteries 1 to realize adjustment of the administrative staff to charging current parameter
Different degrees of protection is carried out, to extend the service life of earphone.
In optionally embodiment, wireless headset may include headset body and two earplugs, can divide in each earplug
Not She Zhi battery 1, charging circuit 2 and controller 4, further, 9 grade portions of the also settable loudspeaker 8 of wireless headset and microphone
Part, to realize the functions such as listen to music and converse.Loudspeaker 8 and microphone 9 are connect with the Bluetooth chip in wireless headset, in indigo plant
Acoustic-electric conversion function is realized under the control of tooth chip.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of wireless headset, which is characterized in that including
Battery；
The charging circuit being electrically connected with the battery, it is described to fill for being that the battery charges when being electrically connected with external power supply
The charging current end of circuit passes through a digital potentiometer ground connection；And
Controller changes to the digital potentiometer resistance of the digital potentiometer for exporting control information.
2. wireless headset according to claim 1, which is characterized in that the wireless headset further comprises and the control
The temperature sensor for being used to detect environment temperature of device electrical connection；
The controller is used to obtain the environment temperature of temperature sensor detection, and is obtained according to the environment temperature described
Control information.
3. wireless headset according to claim 1, which is characterized in that
Bluetooth module and timer are equipped in the wireless headset；
The bluetooth module, which is used to start the timer when first used in wireless headset, carries out timing；
The controller is used to obtain the timing of the timer, and obtains the control information according to the timing.
4. wireless headset according to claim 1, which is characterized in that the wireless headset further comprise bluetooth module,
Timer and the temperature sensor for being used to detect environment temperature being electrically connected with the controller；
The controller is used to obtain the environment temperature of the temperature sensor detection, and according to the timing of the timer and institute
It states environment temperature and exports the control information.
5. wireless headset according to claim 3 or 4, which is characterized in that the bluetooth module can be believed with exterior terminal
Number connection；
The bluetooth module obtains charging current corresponding with the control information for obtaining the control information, and will
The charging current is transmitted to the exterior terminal.
6. wireless headset according to claim 4, which is characterized in that the bluetooth module can connect with exterior terminal signal
It connects；
The bluetooth module is used to obtain the environment temperature of the temperature sensor detection, and the environment temperature is transmitted to institute
State exterior terminal.
7. wireless headset according to claim 1, which is characterized in that the wireless headset further comprises bluetooth mould
Block, the bluetooth module are used to receive the adjustment instruction of exterior terminal transmission and the adjustment instruction are transmitted to the control
Device；
The controller is for receiving the adjustment instruction and obtaining the control information according to the adjustment instruction.
8. wireless headset according to claim 1, which is characterized in that the charging circuit includes electric current setting pin, institute
Digital potentiometer is stated to connect with electric current setting pin and ground terminal respectively.
9. wireless headset according to claim 1, which is characterized in that
The wireless headset is equipped with the charging interface that can be electrically connected with external power supply；
The digital potentiometer, the controller and the charging circuit are electrically connected with the charging interface respectively.
10. wireless headset according to claim 9, which is characterized in that the charging interface is that USB interface or Type-C connect
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766638.XU CN208316954U (en) | 2018-05-22 | 2018-05-22 | A kind of wireless headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766638.XU CN208316954U (en) | 2018-05-22 | 2018-05-22 | A kind of wireless headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316954U true CN208316954U (en) | 2019-01-01 |
Family
ID=64715140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820766638.XU Active CN208316954U (en) | 2018-05-22 | 2018-05-22 | A kind of wireless headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640209A (en) * | 2019-01-24 | 2019-04-16 | 合肥星空物联信息科技有限公司 | A kind of bluetooth headset based on sensor intelligent operation |
| CN110190642A (en) * | 2019-05-15 | 2019-08-30 | 安克创新科技股份有限公司 | Earphone box and wireless earphone assembly |
-
2018
- 2018-05-22 CN CN201820766638.XU patent/CN208316954U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640209A (en) * | 2019-01-24 | 2019-04-16 | 合肥星空物联信息科技有限公司 | A kind of bluetooth headset based on sensor intelligent operation |
| CN109640209B (en) * | 2019-01-24 | 2021-02-09 | 合肥星空物联信息科技有限公司 | Bluetooth headset based on sensor intelligent operation |
| CN110190642A (en) * | 2019-05-15 | 2019-08-30 | 安克创新科技股份有限公司 | Earphone box and wireless earphone assembly |
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