CN109120047A - Earphone charging unit, earphone charging box and earphone charging system - Google Patents
Earphone charging unit, earphone charging box and earphone charging system Download PDFInfo
- Publication number
- CN109120047A CN109120047A CN201811297838.6A CN201811297838A CN109120047A CN 109120047 A CN109120047 A CN 109120047A CN 201811297838 A CN201811297838 A CN 201811297838A CN 109120047 A CN109120047 A CN 109120047A
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- Prior art keywords
- charging
- earphone
- switching circuit
- charging box
- earphone charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of earphone charging unit, earphone charging box and earphone charging system, wherein, earphone charging unit includes including battery, charging box main circuit, earphone charging interface, charging box charging interface and switching circuit, the power input of charging box main circuit and the controlled end of switching circuit are connect with charging box charging interface respectively, the power output end of charging box main circuit and the power input of switching circuit connect, and the power output end and earphone charging interface and battery of switching circuit interconnect.When earphone charging unit is charged by charging box charging interface, switching circuit conducting, DC power supply exports after charging box main circuit carries out Charge Management to battery, when earphone charging unit does not charge, switching circuit shutdown, battery is isolated with charging box main circuit, and charging box main circuit does not work.Technical solution of the present invention solves the problems, such as that earphone charging box internal circuit is in running order for a long time and causes electric energy loss and interference susceptible to static electricity.
Description
Technical field
The present invention relates to ear phone technology field, in particular to a kind of earphone charging unit, earphone charging box and earphone charging
System.
Background technique
Two ear-hang of TWS (True Wireless Stereo, real wireless stereo) earphone does not need wired connection, left and right
2 earphones form stereophonic sound system by bluetooth, listen song, call, and the heat for receiving consumer is held in both hands, at present TWS ear on the market
Machine is more and more, and corresponding charging box is also just more and more.
But current charging box has a problem that, is exactly to be also at work shape when not charging to earphone
The circuit of state, i.e. battery and its rear end carries out connection, and back-end circuit is at every moment all in working condition.
On the one hand, the stand-by power consumption of earphone charging box, while but also unnecessary electric quantity consumption are increased in this way.
On the other hand, circuit is in running order for a long time, so that circuit is highly prone to electrostatic interference, while being also unfavorable for
The waterproof of earphone.
Summary of the invention
The main object of the present invention is to provide a kind of earphone charging unit, it is intended to solve earphone charging box internal circuit it is long when
Between in running order the problem of causing electric energy loss and interference susceptible to static electricity.
To achieve the above object, the present invention proposes a kind of earphone charging unit, wherein including battery, the main electricity of charging box
Road, earphone charging interface, charging box charging interface and switching circuit；
The power input of the charging box main circuit and the controlled end of the switching circuit are filled with the charging box respectively
Electrical interface connection, the power output end of the charging box main circuit is connect with the power input of the switching circuit, described to open
The power output end on powered-down road and the earphone charging interface and the battery interconnect；
The switching circuit is arranged to the conducting when the charging box charging interface receives DC power supply, Yi Ji
Shutdown when the charging box charging interface does not receive DC power supply；
The charging box main circuit, being arranged to will be described straight when the charging box charging interface receives DC power supply
Galvanic electricity source exports after carrying out power management to the earphone charging interface and the battery；
The battery is arranged to export DC power supply to the earphone charging interface, and leads in the switching circuit
When logical, the DC power supply for receiving the charging box main circuit output charges.
Optionally, the charging box main circuit includes charging chip, and the power input of the charging chip is described fills
The power input of electric box main circuit, the power output end of the charging chip are that the power supply of the charging box main circuit exports
End.
Optionally, the charging box charging interface is USB interface, and the charging box main circuit is received through the USB interface
DC power supply.
Optionally, the switching circuit is analog switch chip, and the power end of the analog switch chip is the switch
The controlled end of circuit, the input terminal of the analog switch chip are the power input of the switching circuit, the analog switch
The output end of chip is the power output end of the switching circuit, the ground terminal ground connection of the analog switch chip.
Optionally, the switching circuit includes NPN triode and first resistor；
The first end of the first resistor be the switching circuit controlled end, the second end of the first resistor with it is described
The base stage of NPN triode connects, the power input of the extremely described switching circuit of the current collection of the NPN triode, the NPN tri-
The power output end of the extremely described switching circuit of transmitting of pole pipe.
Optionally, the switching circuit includes NMOS tube and second resistance；
The first end of the second resistance be the switching circuit controlled end, the second end of the second resistance with it is described
The grid of NMOS tube connects, and the drain electrode of the NMOS tube is the power input of the switching circuit, the source electrode of the NMOS tube
For the power output end of the switching circuit.
Optionally, the earphone charging interface includes the first charge contact elastic slice and the second charge contact elastic slice, and described the
One charge contact elastic slice is serially connected between the battery and the switching circuit, the second charge contact elastic slice ground connection.
Optionally, the earphone charging unit further includes diode, anode and the charging chip of the diode
Power output end connection, the cathode of the diode are connect with the power input of the switching circuit, and the diode is hair
Optical diode；
Diode bright light when the switching circuit is connected, and turn off the light in switching circuit shutdown.
The present invention also proposes that a kind of earphone charging box, the earphone charging box include earphone charging unit as described above.
A kind of earphone charging system of the present invention, including earphone and earphone charging box as described above.
Technical solution of the present invention is by using battery, charging box main circuit, earphone charging interface, charging box charging interface
A kind of earphone charging unit is constituted with switching circuit, switching circuit is serially connected between battery and charging box main circuit, earphone
When charging unit is charged by charging box charging interface, switching circuit conducting, DC power supply is filled by charging box main circuit
To battery, battery charges for output after fulgurite reason, when earphone charging unit does not charge, switching circuit shutdown, and electric power storage
Pond is isolated with charging box main circuit, and charging box main circuit does not work, earphone can by earphone charging interface receive battery or
The DC power supply of charging box main circuit output charges, so that solve earphone charging box internal circuit is in work for a long time
State causes the problem of electric energy loss and interference susceptible to static electricity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the module diagram of one embodiment of earphone charging unit of the present invention；
Fig. 2 is the electrical block diagram of earphone charging unit first embodiment of the present invention；
Fig. 3 is the electrical block diagram of second embodiment of the invention；
Fig. 4 is the electrical block diagram of third embodiment of the invention；
Fig. 5 is that earphone Charging of the present invention unifies embodiment module diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the "and/or" occurred in full text contains
Justice are as follows: including three schemes arranged side by side, by taking " A/B " as an example, including the scheme that A scheme or B scheme or A and B meet simultaneously, separately
Outside, the technical solution between each embodiment can be combined with each other, can be real with those of ordinary skill in the art but must be
Based on existing, the combination of this technical solution will be understood that not when conflicting or cannot achieve when occurs in the combination of technical solution
In the presence of, also not the present invention claims protection scope within.
The present invention proposes a kind of earphone charging unit.
As shown in FIG. 1, FIG. 1 is the module diagram of 100 1 embodiment of earphone charging unit of the present invention, in the present embodiment,
Earphone charging unit 100 includes battery 10, charging box main circuit 20, earphone charging interface 30,40 and of charging box charging interface
Switching circuit 50；
The controlled end of the power input of the charging box main circuit 20 and the switching circuit 50 respectively with the charging
Box charging interface 40 connects, and the power input of the power output end of the charging box main circuit 20 and the switching circuit 50 connects
It connects, the power output end of the switching circuit 50 and the earphone charging interface 30 and the battery 10 interconnect；
The switching circuit 50 is arranged to the conducting when the charging box charging interface 40 receives DC power supply, with
And the shutdown when the charging box charging interface 40 does not receive DC power supply；
The charging box main circuit 20 is arranged to institute when the charging box charging interface 40 receives DC power supply
It states after DC power supply carries out power management and exports to the earphone charging interface 30 and the battery 10；
The battery 10 is arranged to export DC power supply to the earphone charging interface 30, and electric in the switch
When road 50 is connected, receives the DC power supply that the charging box main circuit 20 exports and charge.
In the present embodiment, earphone charging unit 100 is suitable for the earphone 300 that TWS earphone etc. can work independently, earphone 300
Internal battery, earphone 300 can be inserted into earphone charging unit 100 and pass through connecting line or metal with earphone charging interface 30
Piece connects and then realizes charging, and it is defeated that the DC power supply that earphone 300 receives can be the battery 10 in earphone charging unit 100
Out or charging box main circuit 20 exports, when earphone charging unit 100 itself is in charged state, charging box main circuit
20 output DC power supplies are the charging of earphone 300, and when earphone charging unit 100 itself is uncharged, battery 10 exports direct current
Source is the charging of earphone 300.
300 quantity of earphone can be one or two, and the quantity of earphone charging interface 30 can be correspondingly arranged, and may be configured as one
It is a, it is followed successively by the charging of earphone 300 respectively, or be designed to two, while charging for earphone 300, is not particularly limited herein.
It is understood that the quantity and capacity of battery 10 can be configured according to the actual situation, does not do have herein
Body limitation.
In the present embodiment, for connecting with external power supply, charging box charging interface 40 is set charging box charging interface 40
It sets in earphone charging unit 100, and is connect with charging box main circuit 20 by connecting line or welding manner, charging box charging
Serial line interface, parallel interface, USB interface, IEEE1394 interface, pcmcia interface and pci interface etc. can be used in interface 40, specifically
It can be designed, be not particularly limited herein according to the actual situation.
In the present embodiment, charging box main circuit 20 may include filter unit, voltage regulation unit and voltage conversion unit etc., charging
Box main circuit 20 can be constituted by individual charging chip U1 or by the integrated circuit that resistance, capacitor, three terminal regulator form, and be filled
Electric box main circuit 20 carries out power management after the DC power supply for receiving external power supply output and exports to battery 10, from
And realize the charging of battery 10.
The switching device for having turn-off capacity can be used in switching circuit 50, and switching circuit 50 is receiving external power supply
After the DC power supply of output, the voltage value of DC power supply is greater than or the cut-in voltage of switching circuit 50, and switching circuit 50 is connected,
DC power supply after charged 20 power management of box main circuit is exported to battery 10.
When earphone charging unit 100 charges, charging box charging interface 40 is connect with external power supply, external power supply
It can be adapter or mobile power source, charging box charging interface 40 exports after receiving the DC power supply that external power supply exports
To switching circuit 50 and charging box main circuit 20, the controlled end of switching circuit 50 receives high level conducting, external power supply
It exports after the power managements such as charged 20 pressure stabilizing of box main circuit of the DC power supply of output, transformation and filtering to battery 10, electric power storage
Pond 10 starts to charge.
When earphone charging unit 100 is not connect with external power supply, switching circuit 50 does not receive level signal simultaneously
Shutdown, battery 10 are isolated with charging box main circuit 20, and charging box main circuit 20 does not work, and battery 10 is even at electric discharge shape
When state, the DC power supply that battery 10 exports will not flow into charging box main circuit 20, to reduce earphone charging unit 100
Stand-by power consumption improves the cruising ability of battery 10, meanwhile, earphone charging unit 100 is not easily susceptible to electrostatic influence, can also mention
The waterproof ability of high earphone charging unit 100, will not be because of the damage of charging box main circuit 20 caused by water inlet.
Technical solution of the present invention is filled by using battery 10, charging box main circuit 20, earphone charging interface 30, charging box
Electrical interface 40 and switching circuit 50 constitute a kind of earphone charging unit 100, and switching circuit 50 is serially connected in battery 10 and charging
Between box main circuit 20, when earphone charging unit 100 is charged by charging box charging interface 40, switching circuit 50 is connected, direct current
To battery 10, battery 10 charges power supply, fills in earphone for output after charging box main circuit 20 carries out Charge Management
When electric installation 100 does not charge, switching circuit 50 is turned off, and battery 10 is isolated with charging box main circuit 20, charging box main circuit 20
It does not work, earphone 300 can receive the direct current that battery 10 or charging box main circuit 20 export by earphone charging interface 30
Source is charged, thus solve earphone charging box 200 internal circuit it is in running order for a long time cause electric energy loss and
The problem of interference susceptible to static electricity.
As shown in Fig. 2, Fig. 2 is the electrical block diagram of 100 first embodiment of earphone charging unit of the present invention, this implementation
In example, the charging box main circuit 20 includes charging chip U1, and the power input of the charging chip U1 is the charging box
The power input of main circuit 20, the power output end of the charging chip U1 are that the power supply of the charging box main circuit 20 exports
End.
In the present embodiment, the power input of charging chip U1 connects charging box charging interface 40, the electricity of charging chip U1
Source output terminal is connect with switching circuit 50, and charging chip U1 carries out after power management through switching circuit the DC power supply that receives
50 export to battery 10.
In an alternative embodiment, the charging box charging interface 40 is USB interface, and the charging box main circuit 20 is through institute
It states USB interface and receives DC power supply.
In the present embodiment, USB interface is connect with external power supply, and the DC power supply that external power supply is exported is defeated
Out to switching circuit 50 perhaps 20 USB interface of charging box main circuit by way of USB connecting line or straight cutting and external power supply
Equipment connection, can be used Type A, Type B and Type C interface etc., is not particularly limited herein.
In an alternative embodiment, the switching circuit 50 is analog switch chip U2, the analog switch chip U2's
Power end is the controlled end of the switching circuit 50, and the input terminal of the analog switch chip U2 is the electricity of the switching circuit 50
Source input terminal, the output end of the analog switch chip U2 are the power output end of the switching circuit 50, the analog switch
The ground terminal of chip U2 is grounded.
In the present embodiment, when charging box charging interface 40 connect charging with external power supply, analog switch chip U2
Power end receive DC power supply, analog switch chip U2 starts to work, and the charged box main circuit 20 of DC power supply carries out electricity
Output is to the first common end of analog switch chip U2 after source control, and from the first output end of analog switch chip U2 export to
Battery 10, when charging box charging interface 40 is not connected with external power supply, analog switch chip U2 does not work, battery 10
It is remained open with charging box main circuit 20, charging box main circuit 20 does not work, to reduce 10 power consumption of battery, and improves
The antistatic capacity of earphone charging unit 100.
As shown in figure 3, Fig. 3 is the electrical block diagram of second embodiment of the invention, in the present embodiment, the switch is electric
Road 50 includes NPN triode Q1 and first resistor R1；
The first end of the first resistor R1 is the controlled end of the switching circuit 50, the second end of the first resistor R1
It is connect with the base stage of the NPN triode Q1, the power input of the extremely described switching circuit 50 of the current collection of the NPN triode Q1
End, the power output end of the extremely described switching circuit 50 of transmitting of the NPN triode Q1.
In the present embodiment, switching circuit 50 also can be used NPN triode Q1 realization, and the base stage of NPN triode Q1 passes through the
One resistance R1 is connected to charging box charging interface 40, when charging box charging interface 40 is connect with external power supply, tri- pole NPN
The base stage of pipe Q1 receives high level, and NPN triode Q1 conducting, the DC power supply that charging box main circuit 20 exports is through tri- pole NPN
Pipe Q1 is exported to battery 10, and when charging box charging interface 40 is not connect with external power supply, NPN triode Q1 is turned off simultaneously
Battery 10 is isolated with charging box main circuit 20.
As shown in figure 4, Fig. 4 is the electrical block diagram of third embodiment of the invention, in the present embodiment, the switch is electric
Road 50 includes NMOS tube Q2 and second resistance R2；
The first end of the second resistance R2 is the controlled end of the switching circuit 50, the second end of the second resistance R2
It is connect with the grid of the NMOS tube Q2, the drain electrode of the NMOS tube Q2 is the power input of the switching circuit 50, described
The source electrode of NMOS tube Q2 is the power output end of the switching circuit 50.
In the present embodiment, NMOS tube Q2 realization is also can be used in switching circuit 50, and the grid of NMOS tube Q2 passes through second resistance
R2 is connected to charging box charging interface 40, when charging box charging interface 40 is connect with external power supply, the grid of NMOS tube Q2
Pole receives high level, NMOS tube Q2 conducting, and the DC power supply that charging box main circuit 20 exports is exported through NMOS tube Q2 to electric power storage
Pond 10, when charging box charging interface 40 is not connect with external power supply, NMOS tube Q2 shutdown and by battery 10 and charging
Box main circuit 20 is isolated.
In an alternative embodiment, the earphone charging interface 30 includes the first charge contact elastic slice and the second charge contact
Elastic slice, the first charge contact elastic slice are serially connected between the battery 10 and the switching circuit 50, second charging
Contact flat spring ground connection.
In the present embodiment, charge contact elastic slice is equipped on earphone 300 and earphone charging unit 100, earphone 300 is inserted into ear
Charge contact elastic slice company corresponding with the charge contact elastic slice of earphone charging unit 100 when machine charging unit 100, on earphone 300
Connect and carry out electric energy transmission, battery 10 exports DC power supply to earphone 300 by the first contact flat spring, with to earphone 300 into
Row charging.
In an alternative embodiment, the earphone charging unit 100 further includes diode, the anode of the diode and institute
State the power output end connection of charging chip U1, the power input company of the cathode of the diode and the switching circuit 50
It connects, the diode is light emitting diode, diode bright light when the switching circuit 50 is connected, and in the switch
Circuit 50 is turned off the light when turning off.
In the present embodiment, when earphone charging unit 100 connect with external power supply and charged, switching circuit 50 is led
Logical, charging box main circuit 20 exports DC power supply to switching circuit 50, and light emitting diode bright light plays the role of charging instruction,
Simultaneously when switching circuit 50 turns off, light emitting diode non-transformer is flowed into, and light emitting diode turns off the light, and light emitting diode is filled playing
While electricity instruction, buffer action can be also played in 50 non-reliable turn-off of switching circuit, reinforce battery 10 and charging box master
Isolation strength between circuit 20.
The present invention also proposes a kind of earphone charging box 200, which includes earphone charging unit 100, the ear
The specific structure of machine charging unit 100 is referring to above-described embodiment, since this earphone charging box 200 uses above-mentioned all embodiments
Whole technical solutions, therefore at least with above-described embodiment technical solution brought by all beneficial effects, herein no longer
It repeats one by one.
The present invention also proposes a kind of earphone charging system, as shown in figure 5, Fig. 5 is earphone Charging unified implementation of the present invention
Example module diagram, which includes earphone 300 and earphone charging box 200, the specific knot of the earphone charging box 200
Structure is referring to above-described embodiment, since this earphone charging system uses whole technical solutions of above-mentioned all embodiments, until
All beneficial effects brought by technical solution with above-described embodiment less, this is no longer going to repeat them.
In the present embodiment, earphone charging box 200 is equipped with accommodating cavity (not shown go out), and earphone 300 is when needing to charge, directly
It is inserted into the accommodating cavity of earphone charging box 200, the charging in charge contact elastic slice and earphone charging box 200 on earphone 300
Elastic slice contact is touched, earphone charging box 200 is that earphone 300 charges.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of earphone charging unit, wherein including battery, charging box main circuit, earphone charging interface, charging box charging
Mouth and switching circuit；
The controlled end of the power input of the charging box main circuit and the switching circuit respectively with the charging box charging
Mouth connection, the power output end of the charging box main circuit are connect with the power input of the switching circuit, the switch electricity
The power output end on road and the earphone charging interface and the battery interconnect；
The switching circuit is arranged to the conducting when the charging box charging interface receives DC power supply, and described
Shutdown when charging box charging interface does not receive DC power supply；
The charging box main circuit is arranged to the direct current when the charging box charging interface receives DC power supply
Source exports after carrying out power management to the earphone charging interface and the battery；
The battery is arranged to export DC power supply to the earphone charging interface, and in switching circuit conducting,
The DC power supply for receiving the charging box main circuit output charges.
2. earphone charging unit as described in claim 1, which is characterized in that the charging box main circuit includes charging chip,
The power input of the charging chip is the power input of the charging box main circuit, the power supply output of the charging chip
End is the power output end of the charging box main circuit.
3. earphone charging unit as described in claim 1, which is characterized in that the charging box charging interface is USB interface, institute
It states charging box main circuit and receives DC power supply through the USB interface.
4. earphone charging unit as described in claim 1, which is characterized in that the switching circuit is analog switch chip, institute
The power end for stating analog switch chip is the controlled end of the switching circuit, and the input terminal of the analog switch chip is described opens
The power input on powered-down road, the output end of the analog switch chip are the power output end of the switching circuit, the mould
The ground terminal ground connection of quasi- switch chip.
5. earphone charging unit as described in claim 1, which is characterized in that the switching circuit includes NPN triode and
One resistance；
The first end of the first resistor is the controlled end of the switching circuit, the second end of the first resistor and the NPN
The base stage of triode connects, the power input of the extremely described switching circuit of the current collection of the NPN triode, tri- pole NPN
The power output end of the extremely described switching circuit of transmitting of pipe.
6. earphone charging unit as described in claim 1, which is characterized in that the switching circuit includes NMOS tube and the second electricity
Resistance；
The first end of the second resistance is the controlled end of the switching circuit, the second end of the second resistance and the NMOS
The grid of pipe connects, and the drain electrode of the NMOS tube is the power input of the switching circuit, and the source electrode of the NMOS tube is institute
State the power output end of switching circuit.
7. earphone charging unit as claimed in any one of claims 1 to 6, which is characterized in that the earphone charging interface includes
First charge contact elastic slice and the second charge contact elastic slice, the first charge contact elastic slice be serially connected in the battery with it is described
Between switching circuit, the second charge contact elastic slice ground connection.
8. earphone charging unit as claimed in claim 7, which is characterized in that the earphone charging unit further includes diode,
The anode of the diode is connect with the power output end of the charging chip, the cathode of the diode and the switching circuit
Power input connection, the diode be light emitting diode；
Diode bright light when the switching circuit is connected, and turn off the light in switching circuit shutdown.
9. a kind of earphone charging box, which is characterized in that including earphone charging unit as claimed in claim 8.
10. a kind of earphone charging system, including earphone and earphone charging box as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297838.6A CN109120047A (en) | 2018-11-01 | 2018-11-01 | Earphone charging unit, earphone charging box and earphone charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297838.6A CN109120047A (en) | 2018-11-01 | 2018-11-01 | Earphone charging unit, earphone charging box and earphone charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109120047A true CN109120047A (en) | 2019-01-01 |
Family
ID=64856074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811297838.6A Pending CN109120047A (en) | 2018-11-01 | 2018-11-01 | Earphone charging unit, earphone charging box and earphone charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109120047A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166866A (en) * | 2019-04-25 | 2019-08-23 | 华为技术有限公司 | A kind of wireless headset and Earphone box |
| CN111525704A (en) * | 2020-05-08 | 2020-08-11 | 歌尔智能科技有限公司 | Earphone and earphone charging box combined charging method, equipment and readable storage medium |
| CN111786427A (en) * | 2020-06-12 | 2020-10-16 | 歌尔科技有限公司 | Charging box for wireless earphone and wireless earphone product assembly |
| CN112565955A (en) * | 2019-09-10 | 2021-03-26 | Oppo广东移动通信有限公司 | Earphone box, earphone and earphone box assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950820A (en) * | 2010-07-29 | 2011-01-19 | 西普利欧通讯股份有限公司 | Static zero consumption energy-saving charging device |
| CN204145054U (en) * | 2014-11-17 | 2015-02-04 | 湖南三人能源科技股份有限公司 | Small-sized wind power generator group charging circuit |
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2018
- 2018-11-01 CN CN201811297838.6A patent/CN109120047A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950820A (en) * | 2010-07-29 | 2011-01-19 | 西普利欧通讯股份有限公司 | Static zero consumption energy-saving charging device |
| CN204145054U (en) * | 2014-11-17 | 2015-02-04 | 湖南三人能源科技股份有限公司 | Small-sized wind power generator group charging circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166866A (en) * | 2019-04-25 | 2019-08-23 | 华为技术有限公司 | A kind of wireless headset and Earphone box |
| CN110166866B (en) * | 2019-04-25 | 2020-09-08 | 华为技术有限公司 | Wireless earphone |
| CN112565955A (en) * | 2019-09-10 | 2021-03-26 | Oppo广东移动通信有限公司 | Earphone box, earphone and earphone box assembly |
| CN111525704A (en) * | 2020-05-08 | 2020-08-11 | 歌尔智能科技有限公司 | Earphone and earphone charging box combined charging method, equipment and readable storage medium |
| CN111786427A (en) * | 2020-06-12 | 2020-10-16 | 歌尔科技有限公司 | Charging box for wireless earphone and wireless earphone product assembly |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190101 |
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| RJ01 | Rejection of invention patent application after publication |