CN108879836A - A kind of bluetooth headset and its control method of charging - Google Patents
A kind of bluetooth headset and its control method of charging Download PDFInfo
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- CN108879836A CN108879836A CN201810680570.8A CN201810680570A CN108879836A CN 108879836 A CN108879836 A CN 108879836A CN 201810680570 A CN201810680570 A CN 201810680570A CN 108879836 A CN108879836 A CN 108879836A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005611 electricity Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 241001062009 Indigofera Species 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Classifications
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- Computer Networks & Wireless Communication (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present embodiments relate to intelligence to listen and wear equipment technical field, discloses the control method of a kind of bluetooth headset and its charging.In the present invention, the pcb board that the bluetooth headset includes battery, is electrically connected with the battery, and the Bluetooth chip on the pcb board and fast charge chip are set, for the Bluetooth chip when the temperature of the battery is in pre-set interval, applying size to the battery is I1Charging current, the fast charge chip is used to charge to the battery, and when the temperature of the battery be in the pre-set interval, the fast charge chip is I to battery application size2Charging current, when the temperature of the battery is not in the pre-set interval, the fast charge chip to the battery apply be less than I2Charging current.Bluetooth headset provided by the invention and its control method of charging, can be realized the quick charge of the bluetooth headset.
Description
Technical field
It is listened the present embodiments relate to intelligence and wears equipment technical field, in particular to the control of a kind of bluetooth headset and its charging
Method processed.
Background technique
Bluetooth headset be exactly it is a kind of Bluetooth technology is applied into the earphone in hands-free headsets, allow user that can exempt electric wire
Impede, comfortable ground is easily conversed in various ways or listens song.As the improvement of people's living standards, bluetooth headset obtains
The favor of numerous sports fans.Battery power supply built in existing bluetooth headset use, in the charging process of bluetooth headset,
It is charged the battery using built-in Bluetooth chip.
At least there are the following problems in the prior art for inventor's discovery：The voltage and current of Bluetooth chip is restricted, causes to make
It is limited again with the charge power of bluetooth headset, quick charge effect is not achieved.Therefore, it is necessary to provide a kind of new bluetooth headset
To improve the charging rate of bluetooth headset battery, realization quick charge.
Summary of the invention
A kind of control method for being designed to provide bluetooth headset and its charging of embodiment of the present invention, can be realized indigo plant
The quick charge of tooth earphone.
In order to solve the above technical problems, embodiments of the present invention provide a kind of bluetooth headset, including：Battery and institute
The pcb board of battery electrical connection is stated, and the Bluetooth chip and fast charge chip that are arranged on the pcb board, the Bluetooth chip exist
When the temperature of the battery is in pre-set interval, applying size to the battery is I1Charging current, the fast charge chip
For what is charged to the battery, when the temperature of the battery is in the pre-set interval, the fast charge chip is to described
It is I that battery, which applies size,2Charging current, when the temperature of the battery is not in the pre-set interval, the fast charge chip
The battery is applied and is less than I2Charging current.
Embodiments of the present invention additionally provide a kind of control method of charging bluetooth earphone, and the bluetooth headset includes indigo plant
Tooth chip and fast charge chip for charging to the battery, the control method of the charging bluetooth earphone include the following steps：
When the temperature of the battery is in pre-set interval, it is I that control Bluetooth chip, which applies size to the battery,1Charging electricity
Stream, controlling the fast charge chip to apply size to the battery is I2Charging current；When the temperature of the battery is not at institute
When stating in pre-set interval, controls the fast charge chip and the battery is applied less than I2Charging current.
Embodiment of the present invention in terms of existing technologies, passes through the basis of Bluetooth chip original in bluetooth headset
Upper addition fast charge chip, when the temperature of the battery is in pre-set interval, the Bluetooth chip applies the battery big
Small is I1Charging current, the fast charge chip to the battery apply size be I2Charging current, at this point, in original indigo plant
On the basis of the charging current of tooth chip, it is additionally applied with charging current, to improve charging current, and then improves charging
Power realizes the quick charge of the bluetooth headset；Simultaneously as the battery temperature not in the pre-set interval
When, the fast charge chip, which applies the battery, is less than I2Charging current, so as to avoid the environment temperature locating for battery
Apply that charging current is excessive has an impact to battery life when high, and generate short circuit, explosion when the temperature is excessively high etc., it also avoids
The excessive generation lithium metal of charging current is precipitated when environment temperature locating for battery is low, wears out diaphragm, leads to showing for battery short circuit
As ensure that the charging safety of battery.
In addition, when the temperature of the battery is lower than the first preset threshold or higher than the second preset threshold, the fast charge core
Piece stops charging to the battery, wherein the first preset threshold is less than the lower limit of the pre-set interval, and the second preset threshold is higher than
The upper limit of the pre-set interval.So set, the too high or too low for temperature of the battery can be further avoided and lead to battery
The phenomenon that damage, is further ensured that the charging safety of battery.
In addition, further including temperature sensor, the temperature sensor is used to detect the temperature of the battery.
In addition, further including charging interface, the charging interface and fast charge chip are electrically connected.
In addition, the charging interface is Micro USB.So set, the volume of the bluetooth headset can be reduced, improve
The convenience used.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram for the bluetooth headset that first embodiment of the invention provides；
Fig. 2 is the charging principle figure for the bluetooth headset that first embodiment of the invention provides；
Fig. 3 is the flow chart of the control method for the charging bluetooth earphone that second embodiment of the invention provides；
Fig. 4 is the flow chart of the control method for the charging bluetooth earphone that third embodiment of the invention provides；
Fig. 5 is the flow chart of the control method for the charging bluetooth earphone that four embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details
And various changes and modifications based on the following respective embodiments, claimed technical solution of the invention also may be implemented.
The first embodiment of the present invention is related to a kind of bluetooth headsets 100, as shown in Figure 1, including：Battery 11, pcb board
12, Bluetooth chip 13 and fast charge chip 14, pcb board 12 are electrically connected with the battery 11, Bluetooth chip 13 and rush chip 14 fastly
It is arranged on the pcb board 12, the Bluetooth chip 13 is when the temperature of the battery 11 is in pre-set interval, to the electricity
It is I that pond 11, which applies size,1Charging current, fast charge chip 14 for give the battery 11 charging, in the temperature of the battery 11
When in the pre-set interval, it is I that the fast charge chip 14, which applies size to the battery 11,2Charging current, described
When the temperature of battery 11 is not in the pre-set interval, the fast charge chip 14, which applies the battery 11, is less than I2Charging electricity
Stream.
Embodiment of the present invention in terms of existing technologies, passes through Bluetooth chip 13 original in bluetooth headset 100
On the basis of be added fast charge chip 14, when the temperature of the battery 11 is in pre-set interval, 13 pairs of institutes of the Bluetooth chip
Stating battery 11 to apply size is I1Charging current, the fast charge chip 14 to the battery 11 apply size be I2Charging electricity
Stream, at this point, the charging current of the battery 11 is I1With I2The sum of, to improve charging current, realize the bluetooth headset
100 quick charge；Simultaneously as when the temperature of the battery 11 is not in the pre-set interval, the fast charge chip 14
The battery 11 is applied and is less than I2Charging current, lead to electricity so as to avoid the too high or too low for temperature of the battery 11
The phenomenon that pond 11 is damaged ensure that the charging safety of battery 11.
Specifically, fast charge chip 14 includes temperature sensor 141 and controller 142, and the temperature sensor 141 is used for
The temperature of the battery 11 is detected, the controller 142 detects that the temperature of the battery 11 exists in the temperature sensor 141
When in pre-set interval, controlling the fast charge chip 14 to apply size to the battery 11 is I2Charging current and control described in
It is I that Bluetooth chip 13, which applies size to the battery 11,1Charging current；The controller 142 is in the temperature sensor 141
When detecting the temperature of the battery 11 not in the pre-set interval, controls the fast charge chip 14 and the battery 11 is applied
Less than I2Charging current, and control Bluetooth chip 13 stop to battery 11 charge.
It is understood that temperature sensor and controller are also possible to be provided separately within independently of fast charge chip 14
Pcb board 12, it will be understood by those skilled in the art that this kind of set-up mode is also able to achieve identical technical effect.
Wherein, pre-set interval can be open interval, closed interval either half open interval.Inventors have found that battery 11 is in temperature
Spend it is too high or too low in the case where, may be damaged, personal injury even caused to user, temperature is high, ion activity
Enhancing, capacity boost, temperature are higher than 45 degree, and charging current is crossed conference and can be had an impact to 11 service life of battery, when temperature continues to mention
Height can destroy pole plate physical structure, generate side reaction, outgassing phenomenon, self discharge increase occur, serious to lead to thermal runaway, every
Film damage, short circuit, on fire, explosion；Under low temperature, ion activity is reduced, and the amount of ions of energy deintercalation and insertion reduces, and leads to capacity
Decline, charging current cross conference and generate lithium metal precipitation in 11 cathode of battery, grow lithium dendrite arm, may wear out diaphragm, lead
Send a telegraph 11 short circuit of pond.In present embodiment, pre-set interval is [10,40], I1And I2It is 1C, battery 11 is 2C quick charging battery 11.
I.e. when the temperature of battery 11, which is more than or equal to 10 DEG C, is less than or equal to 40 DEG C, the controller 142 of fast charge chip 14 controls fast charge chip
14 and Bluetooth chip 13 apply the charging current of 1C (all told that C refers to battery) to battery 11 respectively, battery 11 at this time
Charging current is 2C, and when the temperature of battery 11 is less than 10 DEG C or is greater than 40 DEG C, the controller 142 of fast charge chip 14 is only controlled fastly
It fills chip 14 to charge to battery 11, and charging current is less than 1C, in present embodiment, preferably 0.5C.It is understood that
Be, when the temperature of battery 11 less than 10 DEG C or be greater than 40 DEG C when, can also stop charging to battery 11, so set, by
It is more harsh in the condition to charge to battery 11, so that it is bigger to can adapt to environment temperature there are bigger temperature margin
Variation range, and then improve battery charging safety coefficient.Wherein, C refers to all told of battery, charges if it is 2C
If, battery 11 is full of with 0.5 hour by no electricity exactly, is exactly with 100 hours if it is 0.01C electric discharge
Battery 11 is set to discharge completely, that is, coefficient and time are inversely.Certainly, I1And I2Can also be unequal, only need sum of the two
Less than the maximum charging current of battery 11, and the setting of pre-set interval can also be according to the characteristic and ring of rechargeable battery 11
The factors such as border temperature are set.
It is noted that bluetooth headset 100 further includes charging interface 15 and connect with pcb board 12 and be used to occur
Loudspeaker 16, the charging interface 15 is electrically connected with fast charge chip 14.In present embodiment, the charging interface 15 is
Micro USB.So set, the volume of the bluetooth headset 100 can be reduced, the convenience used is improved.In the mistake of charging
Cheng Zhong meets Micro USB using USB and carries out 5V output power supply to product, and electric current is sent to fast charge chip 14, and (quick charging battery 11 is with mistake
Press through current charge protection and pressure stabilizing output), the voltage that fast charge chip 14 exports 5V is given to Bluetooth chip 13, exports the voltage of 4.2V
It is given to battery 11, it is then different according to the temperature of battery 11, it controls Bluetooth chip 13 and fast charge chip 14 is applied to battery 11
Current value.
Preferably, described fast when the temperature of the battery 11 is lower than the first preset threshold or is higher than the second preset threshold
It fills chip 14 and the battery 11 is stopped charging, wherein the first preset threshold is less than the lower limit of the pre-set interval, and second is default
Threshold value is higher than the upper limit of the pre-set interval.In present embodiment, the first preset threshold is 0 DEG C, and the second preset threshold is 50 DEG C,
I.e. when the temperature of battery 11 is lower than 0 DEG C or is higher than 50 DEG C, fast charge chip 14 does not work, and does not apply voltage and current and is given to indigo plant
Tooth chip 13 and battery 11, battery 11 stops charging at this time.So set, the temperature mistake of the battery 11 can be further avoided
It is high or too low and cause battery 11 damage the phenomenon that, be further ensured that battery 11 charging safety.It is understood that first is pre-
If threshold value, the second preset threshold can also be set according to factors such as the characteristic of rechargeable battery 11 and environment temperatures.
That is, as shown in Fig. 2, charging principle is as follows：It is less than or equal to 40 when the temperature of battery 11 is more than or equal to 10 DEG C
DEG C when, the controller 142 of fast charge chip 14 on the one hand control fast charge chip 14 directly apply 1C charging current be given to battery 11,
On the other hand Bluetooth chip 13 is controlled by control fast charge chip 14, and then controls the charging current that Bluetooth chip 13 applies 1C
It is given to battery 11, applies the charging current of 1C to battery 11 respectively, the charging current of battery 11 is 2C at this time；When the temperature of battery 11
Degree is more than or equal to 0 DEG C less than 10 DEG C or when being greater than 40 DEG C less than or equal to 50 DEG C, and the controller 142 of fast charge chip 14 only controls
Fast charge chip 14 charges to battery 11, and charging current is 0.5C.When the temperature of battery 11 is less than 0 DEG C or greater than 50 DEG C
When, fast charge chip 14 does not work, and no voltage and current is given to Bluetooth chip 13 and battery 11, and battery 11 stops charging at this time.
Second embodiment of the present invention is related to a kind of control method of charging bluetooth earphone, as shown in figure 3, specifically including
Following steps：
S201：When the temperature of the battery is in pre-set interval, control Bluetooth chip applies size to the battery
For I1Charging current, control the fast charge chip to the battery apply size be I2Charging current.
Specifically, in step s 201, when the temperature of battery, which is more than or equal to 10 DEG C, is less than or equal to 40 DEG C, controller control
Fast charge chip and Bluetooth chip processed apply the charging current of 1C to battery respectively, and the charging current of battery is 2C at this time, that is,
It says, if being charged the battery with the charging current always, it is only necessary to which half an hour can be filled battery by no electricity
Full electricity, wherein controller can be the controller of fast charge built-in chip type, be also possible to the controller being separately provided.
S202：When the temperature of the battery is not in the pre-set interval, the fast charge chip is only controlled to described
Battery applies I2/ 2 charging current.
Specifically, in step S202, when the temperature of battery is less than 10 DEG C or is greater than 40 DEG C, the control of fast charge chip
Device only controls fast charge chip and charges the battery, and charging current is 0.5C.
It is not difficult to find that present embodiment is the embodiment of method corresponding with first embodiment, present embodiment can
It works in coordination implementation with first embodiment.The relevant technical details mentioned in first embodiment are in the present embodiment still
Effectively, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment can also be applied
In the first embodiment.Also, present embodiment can be realized the technical effect being similar with first embodiment, herein no longer
It repeats.
Third embodiment of the present invention is related to a kind of control method of charging bluetooth earphone, third embodiment and second
Embodiment is roughly the same, is in place of the main distinction：In second embodiment of the invention, when the temperature of the battery is not located
When in the pre-set interval, only controls the fast charge chip and I is applied to the battery2/ 2 charging current；And in the present invention
In third embodiment, when the temperature of the battery is not in the pre-set interval, stopping charges to the battery.
So set, be also able to maintain under more severe environment bluetooth headset will not because it is too high or too low for temperature and short-circuit, explosion
Deng improving safety coefficient.
The charge control method of bluetooth headset in present embodiment, as shown in figure 4, specifically including following steps：
S301：When the temperature of the battery is in pre-set interval, control Bluetooth chip applies size to the battery
For I1Charging current, control the fast charge chip to the battery apply size be I2Charging current.
Step S301 in present embodiment is roughly the same with the step S201 in second embodiment, in order to avoid weight
Multiple, details are not described herein again.
S302：When the temperature of the battery is not in the pre-set interval, stopping charges to the battery.
Specifically, in step s 302, when the temperature of battery is lower than 0 DEG C or is higher than 50 DEG C, fast charge chip not work
Make, no voltage and current is given to Bluetooth chip and battery, and battery stops charging at this time.
4th embodiment of the invention is related to a kind of control method of charging bluetooth earphone, the 4th embodiment and third
Embodiment is roughly the same, is in place of the main distinction：In third embodiment of the invention, when the temperature of the battery is not located
When in the pre-set interval, stopping charges to the battery；And in four embodiment of the invention, when the battery
Temperature be not in the pre-set interval and be higher than the first preset threshold, lower than the second preset threshold when, only control described fast
It fills chip and I is applied to the battery2/ 2 charging current, when the temperature of the battery is lower than the first preset threshold or higher than second
When preset threshold, controls the fast charge chip and stop charging to the battery, wherein the first preset threshold is less than the preset areas
Between lower limit, the second preset threshold be higher than the pre-set interval the upper limit.By adopting when battery is in optimal temperature range
The mode of charging current is provided for battery jointly with fast charge chip and Bluetooth chip, Bluetooth chip is possessed one bigger
Charging current save the time that user waits charging bluetooth earphone to improve the charging rate of bluetooth headset；Pass through
When battery is in secondary preference temperature scope, fast charge chip is only used only and provides charging current for battery and is filled using smaller
Electric current, and when too high or too low for temperature, stop charging the battery, to both avoid when too high or too low for temperature
The problem of leading to short circuit, exploding, and the charging time of the battery shortened as far as possible are charged the battery, use is saved
The time to be charged such as family.
The charge control method of bluetooth headset in present embodiment, as shown in figure 5, specifically including following steps：
S401：When the temperature of the battery is in pre-set interval, control Bluetooth chip applies size to the battery
For I1Charging current, control the fast charge chip to the battery apply size be I2Charging current.
Step S401 in present embodiment is roughly the same with the step S301 in second embodiment, in order to avoid weight
Multiple, details are not described herein again.
S402：When the temperature of the battery is not in the pre-set interval and is higher than the first preset threshold, lower than second
When preset threshold, only controls the fast charge chip and I is applied to the battery2/ 2 charging current.
Specifically, in step S402, in present embodiment, the first preset threshold is 0 DEG C, and the second preset threshold is 50
DEG C, when the temperature of battery be more than or equal to 0 DEG C less than 10 DEG C or be greater than 40 DEG C be less than or equal to 50 DEG C when, control the fast charge core
Piece applies the charging current of 0.5C to the battery, and controls Bluetooth chip and do not apply charging current to battery.Certainly, first
The setting of preset threshold, the second preset threshold can also be adjusted according to parameters such as characteristic, the environment temperatures of rechargeable battery.
S403：When the temperature of the battery is lower than the first preset threshold or is higher than the second preset threshold, stop to described
Battery charges.
Specifically, in step S403, when the temperature of battery is lower than 0 or is higher than 50, fast charge chip does not work, and does not have
There is voltage and current to be given to Bluetooth chip and battery, battery stops charging at this time.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as including identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (7)
1. a kind of bluetooth headset, which is characterized in that including：Battery, the pcb board being electrically connected with the battery, and be arranged in institute
The Bluetooth chip and fast charge chip on pcb board are stated, the Bluetooth chip is right when the temperature of the battery is in pre-set interval
It is I that the battery, which applies size,1Charging current, the fast charge chip is used to charge to the battery, in the battery
When temperature is in the pre-set interval, it is I that the fast charge chip, which applies size to the battery,2Charging current, described
When the temperature of battery is not in the pre-set interval, the fast charge chip, which applies the battery, is less than I2Charging current.
2. bluetooth headset as described in claim 1, which is characterized in that the battery temperature lower than the first preset threshold or
When higher than the second preset threshold, the fast charge chip stops charging to the battery, wherein the first preset threshold is less than described pre-
If the lower limit in section, the second preset threshold is higher than the upper limit of the pre-set interval.
3. bluetooth headset as described in claim 1, which is characterized in that further include temperature sensor, the temperature sensor is used
In the temperature for detecting the battery.
4. bluetooth headset as described in claim 1, which is characterized in that it further include charging interface, the charging interface and fast charge
Chip is electrically connected.
5. bluetooth headset as claimed in claim 4, which is characterized in that the charging interface is Micro USB.
6. a kind of control method of charging bluetooth earphone, which is characterized in that the bluetooth headset include Bluetooth chip and for
The fast charge chip of the battery charging, the control method of the charging bluetooth earphone include the following steps：
When the temperature of the battery is in pre-set interval, it is I that control Bluetooth chip, which applies size to the battery,1Charging
Electric current, controlling the fast charge chip to apply size to the battery is I2Charging current；
When the temperature of the battery is not in the pre-set interval, controls the fast charge chip and battery application is less than
I2Charging current.
7. the control method of charging bluetooth earphone as claimed in claim 8, which is characterized in that further include：
When the temperature of the battery is lower than the first preset threshold or is higher than the second preset threshold, controls the fast charge chip and stop
It charges to the battery, wherein the first preset threshold is less than the lower limit of the pre-set interval, and the second preset threshold is higher than described pre-
If the upper limit in section.
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| CN201810680570.8A CN108879836A (en) | 2018-06-27 | 2018-06-27 | A kind of bluetooth headset and its control method of charging |
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Cited By (4)
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| 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 |
| CN110768332A (en) * | 2019-10-30 | 2020-02-07 | 歌尔股份有限公司 | Charging box, charging control method thereof and readable storage medium |
| CN110783984A (en) * | 2019-10-30 | 2020-02-11 | 歌尔科技有限公司 | Charging box, charging control method thereof and readable storage medium |
| CN114665523A (en) * | 2020-12-23 | 2022-06-24 | Oppo广东移动通信有限公司 | Charging current control method, charging current control device, electronic equipment and computer storage medium |
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| CN103645412A (en) * | 2013-12-25 | 2014-03-19 | 华为技术有限公司 | Battery detection method and device |
| CN104300630A (en) * | 2014-10-17 | 2015-01-21 | 广东欧珀移动通信有限公司 | Charging control device and method |
| CN204947665U (en) * | 2015-09-01 | 2016-01-06 | 上海斐讯数据通信技术有限公司 | A kind of dual chip charging device |
| CN106532882A (en) * | 2016-11-21 | 2017-03-22 | 珠海市魅族科技有限公司 | Charging control method and device |
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| CN110768332A (en) * | 2019-10-30 | 2020-02-07 | 歌尔股份有限公司 | Charging box, charging control method thereof and readable storage medium |
| CN110783984A (en) * | 2019-10-30 | 2020-02-11 | 歌尔科技有限公司 | Charging box, charging control method thereof and readable storage medium |
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