CN209134611U - Earphone charging box, true wireless headset and true wireless headphone system - Google Patents
Earphone charging box, true wireless headset and true wireless headphone system Download PDFInfo
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- CN209134611U CN209134611U CN201920070931.7U CN201920070931U CN209134611U CN 209134611 U CN209134611 U CN 209134611U CN 201920070931 U CN201920070931 U CN 201920070931U CN 209134611 U CN209134611 U CN 209134611U
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- switching switch
- charging box
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- earphone
- true wireless
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Abstract
The utility model discloses earphone charging box, true wireless headset and true wireless headphone systems, earphone charging box includes main control chip, power amplifier, loudspeaker and the first switching switch, the second output terminal of first switching switch connects main control chip, the input terminal of its first output end connection power amplifier, its control terminal connects main control chip, its input terminal connects charging box communication contact, and loudspeaker connects the output end of power amplifier；True wireless headset includes Bluetooth chip and the second switching switch, the control terminal of second switching switch connects Bluetooth chip, its input terminal connects earphone communication contact, and first input end connects the audio data output pin of Bluetooth chip, and the second input terminal connects the I/O pin of Bluetooth chip.True wireless headset can be sent to charging box based on the switched path of the first, second switching switch from the received audio data of other equipment, be played back by the loudspeaker of earphone charging box, so that earphone charging box realizes the function of sound equipment.
Description
Technical field
The utility model belongs to true wireless headset technical field, specifically, being to be related to a kind of earphone charging box, very wireless
Earphone and true wireless headphone system.
Background technique
In true wireless headset, monaural charging is generally divided into 2Pin(POWER and GND) and 3Pin(POWER, GND, com)；
The earphone of 2Pin can only charge, and the earphone of 3Pin can also be communicated based on com Pin with charging box realization, and charging box can be read
It takes the electricity of earphone and is shown by charging box, so that charging process is very clear.
The promotion of true wireless headset performance and the setting of numerous sensors increase its power consumption, but wireless headset inherently limits
It is smaller to have made its size, has caused cruising ability insufficient, just needs to be put into charging box to charge after short time music, and charge
Time is longer, affects the experience of user.
Summary of the invention
This application provides a kind of earphone charging box, true wireless headset and true wireless headphone system, solve existing earphone because
Cruising ability deficiency leads to listen to music time too short technical problem.
In order to solve the above technical problems, the application is achieved using following technical scheme:
It is proposed a kind of earphone charging box, including main control chip, power amplifier, loudspeaker and the first switching switch；Described
The second output terminal of one switching switch connects the main control chip, and the first output end of the first switching switch connects the function
The input terminal on electric discharge road, the control terminal of the first switching switch connect the main control chip, and first switching switchs defeated
Enter end connection charging box communication contact；The loudspeaker connects the output end of the power amplifier.
Further, the earphone charging box further includes the sound equipment key being connected with the main control chip, for being triggered
Acoustic function instruction is generated afterwards.
Further, the earphone charging box further includes charging circuit, and the input terminal of the charging circuit connects charging
Mouthful, the output end of the charging circuit connects charging box charging contact, and the control terminal of the charging circuit connects the master control core
Piece；The main control chip, for controlling the output end and the charging box charging contact of the charging circuit according to setpoint frequency
It disconnects.
It is proposed a kind of true wireless headset, including Bluetooth chip and the second switching switch；The control of the second switching switch
End connects the Bluetooth chip, and the output end of the second switching switch connects earphone communication contact, the second switching switch
First input end connect the audio data output pin of the Bluetooth chip, the second input terminal of the second switching switch connects
Connect the I/O pin of the Bluetooth chip.
Further, the true wireless headset further includes earphone charging circuit；The input terminal of the earphone charging circuit connects
The output end of lug machine charging contact, the earphone charging circuit connects the Bluetooth chip with control terminal.
Further, the true wireless headset further includes third switching switch, and the control terminal of the third switching switch connects
The Bluetooth chip is connect, the input terminal of the third switching switch connects the audio data output pin, the third switching
First output end of switch connects the loudspeaker of the true wireless headset, and the second output terminal of the third switching switch connects institute
State the first input end of the second switching switch.
Further, the true wireless headset further includes the sensor connecting with the Bluetooth chip.
A kind of true wireless headphone system is proposed, including above-mentioned earphone charging box and above-mentioned true wireless headset；It is described true
Wireless headset is placed in the charging box, so that the charging box communication contact connects with the earphone charging contact.
Compared with prior art, the advantages of the application and good effect is: earphone charging box that the application proposes, very wireless
Earphone and true wireless headphone system pass through the switching of main control chip control the first switching switch, Neng Goushi in earphone charging box
Existing audio plays access and the communication path with earphone, correspondingly, being cut in true wireless headset by Bluetooth chip control second
The switching for changing switch can be realized audio output access and the communication path with charging box, based on above-mentioned, put in true wireless headset
When being placed in earphone charging box and being charged, true wireless headset can be logical based on audio output from the received audio data of other equipment
Road, earphone communication contact-charging box communication contact and audio play access and are sent to charging box, by the loudspeaker of earphone charging box
Play back so that earphone charging box realizes the function of sound equipment, realized in true wireless headset charging process music after
Continued broadcasting is put, and solves existing earphone because cruising ability deficiency leads to listen to music time too short technical problem；During music,
If earphone charging box needs to communicate with true wireless headset, control the first switching switch and the second switching switch, so that communication number
It is transmitted according to the communication path realization of communication path, earphone communication contact-charging box communication contact and charging box based on earphone,
The access that music can be continued to switch to after being transmitted, since the communication process of charging box and earphone is very short, communication process
Caused by music interruption will not be noticeable, do not influence the experience of user.
After the detailed description of the application embodiment is read in conjunction with the figure, other features and advantages of the application will become more
Add clear.
Detailed description of the invention
Fig. 1 is the circuit framework figure for the true wireless headphone system that the application proposes.
Specific embodiment
The specific embodiment of the application is described in more detail with reference to the accompanying drawing.
The application proposes a kind of true wireless headphone system, including earphone charging box 1 and true wireless headset 2, as shown in Figure 1,
Earphone charging box includes main control chip U1, power amplifier U2, the switching of loudspeaker S1 and first switch U3；First switching switch U3's
Second output terminal connects main control chip U1, and the first output end of the first switching switch U3 connects the input terminal of power amplifier U2, the
The input terminal connection charging box communication touching of control terminal ctl1 connection the main control chip U1, the first switching switch U3 of one switching switch U3
Point D1；The output end of loudspeaker S1 connection power amplifier U2.
True wireless headset includes the switching of Bluetooth chip u1 and second switch u2；The control terminal ctl2 of second switching switch u2 connects
Bluetooth chip u1 is met, the output end of the second switching switch u2 connects earphone communication contact D2, and the first of the second switching switch u2 is defeated
Enter end connection Bluetooth chip u1 audio data output pin audio singal, the second input terminal connection of the second switching switch u2
The I/O pin com signal of Bluetooth chip u1.
Based on above-mentioned true wireless headphone system, during earphone is connect with other playback equipments, if earphone prompts low electricity
Amount happens, and earphone is placed into charging box, and charging box communication contact D1 connects with earphone communication contact D2, default situations
Under, the first switching switch U3 of charging box is closed to communication path, and the second switching switch u2 of earphone is also closed to communication path,
So that realizing communication path between charging box and earphone, charging box obtains the information such as earphone electricity, and shows in display module U4
Out；Charging box switches voice-frequency channel after starting to charge for earphone after obtaining earphone information, based on communication path notice earphone
Instruction, after the Bluetooth chip u1 of earphone receives the instruction of the switching voice-frequency channel, control by second switching switch u2 be closed
In audio output access, the main control chip U1 of charging box also controls the first switching switch U3 and is closed to audio broadcasting access, so that
Earphone is transmitted to the power amplifier U2 of charging box from the received audio data of other playback equipments based on the voice-frequency channel of switching, warp
It is played back after power amplifier U2 processing by loudspeaker S1, so that charging box realizes the function of sound equipment, is filled in true wireless headset
Music is realized in electric process to continue to play, and solves existing earphone because cruising ability deficiency leads to listen to music time too short skill
Art problem.
As shown in Figure 1, earphone charging box further includes the sound equipment key SW1 connecting with main control chip in the embodiment of the present application,
The sound equipment key SW1 makes master control chip detect acoustic function instruction for generating acoustic function instruction after being triggered
Afterwards, after being that earphone completes initial communication, control switching the first switching switch realizes voice-frequency channel.If desired charging box is real by user
Existing acoustic function, then trigger the sound equipment key, if not needing charging box realizes acoustic function, does not trigger sound equipment key, charges
Box is then always maintained at the communication path of initialization with earphone.
In the embodiment of the present application, true wireless headset further includes third switching switch u3, and third switches the control terminal of switch u3
Bluetooth chip u1 is connected, the input terminal that third switches switch u3 connects audio data output pin audio signal, and third is cut
The first output end for changing switch u3 connects the loudspeaker S2 of true wireless headset, and the second output terminal that third switches switch u3 connects the
The first input end of two switching switch u2;Third switching switch u3 default is closed to earpiece audio output channel and realizes that earphone plays
Function, after the instruction for the switching voice-frequency channel that the main control chip U1 that the Bluetooth chip u1 of earphone receives charging box is sent, control
Second switching switch u2 is closed to audio output access by system, and third switching switch u3 is closed to charging box audio by control
Output channel, so that earphone is transmitted to charging box based on the voice-frequency channel of switching from the received audio data of other playback equipments
Power amplifier U2 is played back after power amplifier U2 processing by loudspeaker S1, so that charging box realizes the function of sound equipment.
In the embodiment of the present application, true wireless headset or earphone charging box further include sensor, u5 as shown in figure 1, in earphone
After being placed in charging box, sensor is triggered, so that initiating to communicate between charging box and earphone.
In the embodiment of the present application, during charging box plays music, it is able to maintain the communication function of charging box and earphone,
Communication function is kept to realize, as shown in Figure 1, earphone charging box 1 further includes charging circuit U5, the input terminal of charging circuit U5 connects
Charging interface J1 is met, the output end of charging circuit U5 connects charging box charging contact P1, and the control terminal of charging circuit U5 connects master
Control chip U1；Main control chip U1 is used for disconnected according to the output end and charging box charging contact P1 of setpoint frequency control charging circuit U5
It opens；True wireless headset 2 further includes earphone charging circuit u4, and the input terminal of earphone charging circuit connects earphone charging contact P2, ear
The output end of machine charging circuit u4 connects Bluetooth chip u1 with control terminal.
Charging box during playing music, main control chip U1 according to setpoint frequency control charging circuit U5 output end with
Charging box charging contact P1 is disconnected, and switches charging box to the charging path of earphone, earphone charging circuit u4 is in detecting power supply
It has no progeny, generates interrupt signal INT and notify Bluetooth chip u1, Bluetooth chip u1 that interrupt signal INT is read as the logical of charging box
Letter request then controls the second switching switch and third switching switching to communication path, and the main control chip U1 of charging box is also controlled
The first switching of system switch U3 is switched to communication path, so that charging box is communicated with the realization of the communication path of earphone, in sign off
Respectively control switches to voice-frequency channel and continues to play music again for charging box and earphone afterwards, since communication process is extremely short, usually milli
Second grade, music interruption caused by communication process will not be noticeable, and not influence the experience of user.
It should be noted that the above description is not intended to limit the present invention, the utility model is also not limited to
The example above, variation that those skilled in the art are made in the essential scope of the utility model retrofit, add
Add or replace, should also belong to the protection scope of the utility model.
Claims (8)
1. a kind of earphone charging box, which is characterized in that including main control chip, power amplifier, loudspeaker and the first switching switch；Institute
The second output terminal for stating the first switching switch connects the main control chip, and the first output end of the first switching switch connects institute
The input terminal of power amplifier is stated, the control terminal of the first switching switch connects the main control chip, the first switching switch
Input terminal connect charging box communication contact；The loudspeaker connects the output end of the power amplifier.
2. earphone charging box according to claim 1, which is characterized in that the earphone charging box further includes and the master control
The sound equipment key of chip connection, for generating acoustic function instruction after being triggered.
3. earphone charging box according to claim 1, which is characterized in that the earphone charging box further includes charging circuit,
The input terminal of the charging circuit connects charging interface, and the output end of the charging circuit connects charging box charging contact, described
The control terminal of charging circuit connects the main control chip；The main control chip, for controlling the charging electricity according to setpoint frequency
The output end on road and the charging box charging contact disconnect.
4. true wireless headset, which is characterized in that including Bluetooth chip and the second switching switch；The control of the second switching switch
End connects the Bluetooth chip, and the output end of the second switching switch connects earphone communication contact, the second switching switch
First input end connect the audio data output pin of the Bluetooth chip, the second input terminal of the second switching switch connects
Connect the I/O pin of the Bluetooth chip.
5. true wireless headset according to claim 4, which is characterized in that the true wireless headset further includes earphone charging electricity
Road；The input terminal of the earphone charging circuit connects earphone charging contact, the output end and control terminal of the earphone charging circuit
Connect the Bluetooth chip.
6. true wireless headset according to claim 4, which is characterized in that the true wireless headset further includes that third switching is opened
It closes, the control terminal of the third switching switch connects the Bluetooth chip, and the third switches described in the input terminal connection of switch
First output end of audio data output pin, the third switching switch connects the loudspeaker of the true wireless headset, described
The second output terminal of third switching switch connects the first input end of the second switching switch.
7. true wireless headset according to claim 4, which is characterized in that the true wireless headset further includes and the bluetooth
The sensor of chip connection.
8. true wireless headphone system, which is characterized in that including earphone charging box as described in any one of claims 1-3 and as weighed
Benefit requires the described in any item true wireless headsets of 4-7；The true wireless headset is placed in the charging box, so that the charging box
Communication contact connects with the earphone charging contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070931.7U CN209134611U (en) | 2019-01-16 | 2019-01-16 | Earphone charging box, true wireless headset and true wireless headphone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070931.7U CN209134611U (en) | 2019-01-16 | 2019-01-16 | Earphone charging box, true wireless headset and true wireless headphone system |
Publications (1)
| Publication Number | Publication Date |
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| CN209134611U true CN209134611U (en) | 2019-07-19 |
Family
ID=67249970
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920070931.7U Active CN209134611U (en) | 2019-01-16 | 2019-01-16 | Earphone charging box, true wireless headset and true wireless headphone system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110324748A (en) * | 2019-07-26 | 2019-10-11 | 歌尔股份有限公司 | A kind of wireless headset serial ports control method, device and wireless headset and storage medium |
| CN110446133A (en) * | 2019-08-15 | 2019-11-12 | 厦门亿联网络技术股份有限公司 | A kind of wireless headphone system, wireless headset and pedestal |
| CN110582039A (en) * | 2019-09-29 | 2019-12-17 | 歌尔股份有限公司 | True wireless earphone charging box, true wireless earphone, system and control method |
| CN110582038A (en) * | 2019-09-25 | 2019-12-17 | 歌尔科技有限公司 | sound output control method and smart bracelet |
| CN110691294A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | Audio control method, charging box and wireless earphone device |
| CN111756088A (en) * | 2020-04-21 | 2020-10-09 | 美律电子(深圳)有限公司 | Earphone charging and data transmission system |
| CN112291668A (en) * | 2020-10-30 | 2021-01-29 | 维沃移动通信有限公司 | Wireless earphone, wireless earphone accessory and earphone system |
| CN113630679A (en) * | 2020-05-08 | 2021-11-09 | 致伸科技股份有限公司 | Wireless earphone charging device |
-
2019
- 2019-01-16 CN CN201920070931.7U patent/CN209134611U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110324748A (en) * | 2019-07-26 | 2019-10-11 | 歌尔股份有限公司 | A kind of wireless headset serial ports control method, device and wireless headset and storage medium |
| WO2021017147A1 (en) * | 2019-07-26 | 2021-02-04 | 歌尔股份有限公司 | Wireless earphone serial port control method and apparatus, wireless earphone, and storage medium |
| US11985468B2 (en) | 2019-07-26 | 2024-05-14 | Goertek Inc. | Wireless earphone serial port control method and apparatus, wireless earphone, and storage medium |
| CN110446133A (en) * | 2019-08-15 | 2019-11-12 | 厦门亿联网络技术股份有限公司 | A kind of wireless headphone system, wireless headset and pedestal |
| CN110582038A (en) * | 2019-09-25 | 2019-12-17 | 歌尔科技有限公司 | sound output control method and smart bracelet |
| CN110582039A (en) * | 2019-09-29 | 2019-12-17 | 歌尔股份有限公司 | True wireless earphone charging box, true wireless earphone, system and control method |
| CN110691294A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | Audio control method, charging box and wireless earphone device |
| CN110691294B (en) * | 2019-09-29 | 2021-03-26 | 歌尔科技有限公司 | Audio control method, charging box and wireless earphone device |
| CN111756088A (en) * | 2020-04-21 | 2020-10-09 | 美律电子(深圳)有限公司 | Earphone charging and data transmission system |
| CN111756088B (en) * | 2020-04-21 | 2022-04-26 | 美律电子(深圳)有限公司 | Earphone charging and data transmission system |
| CN113630679A (en) * | 2020-05-08 | 2021-11-09 | 致伸科技股份有限公司 | Wireless earphone charging device |
| CN112291668A (en) * | 2020-10-30 | 2021-01-29 | 维沃移动通信有限公司 | Wireless earphone, wireless earphone accessory and earphone system |
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