CN110224457A - Charging unit and charging method - Google Patents
Charging unit and charging method Download PDFInfo
- Publication number
- CN110224457A CN110224457A CN201910458805.3A CN201910458805A CN110224457A CN 110224457 A CN110224457 A CN 110224457A CN 201910458805 A CN201910458805 A CN 201910458805A CN 110224457 A CN110224457 A CN 110224457A
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- voltage
- charging
- earphone
- unit
- control unit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charging unit and charging method, and wherein method includes: to obtain the target battery voltage of the electronic equipment in the case where detecting that electronic equipment is electrically connected with the charging contact of charging unit；Obtain the charging voltage to match with the target battery voltage, wherein the charging voltage is greater than or equal to the target battery voltage, and the difference of the charging voltage and the target battery voltage is no more than preset threshold；The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and is charged to the electronic equipment.In compared with the prior art by the way of fixed output voltage, charging method provided by the invention, the waste of output voltage when can reduce charging improves the electricity conversion efficiency of charging unit, and then increases charging unit to the charging times of electronic equipment.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of charging unit and charging methods.
Background technique
With the fast development of electronic technology, electronic equipment using more and more extensive, and the continuation of the journey of electronic equipment mostly
Time requires the capacity dependent on battery.However, electronic devices lead to battery capacity due to volumetric constraint not at present
It is very greatly, so that user needs continually to charge to electronic equipment.
By taking wireless headset as an example, current wireless headset due to volumetric constraint, internal battery be usually quite it is small, also therefore
Can be equipped with charging unit (such as charging box) to its convenience charge, and in order to make charging unit convenient for user carry, built in electricity
Pond is also not very big, causes the number that can be used for wireless headset charging limited, and in the prior art, charging unit, which is substantially, to be adopted
Charged with linear-charging mode to wireless headset, electricity conversion efficiency be not it is very high, especially when the electricity of wireless headset
When lower, electricity conversion efficiency is extremely low, and only about 60% or so.
As it can be seen that existing charging unit has that electricity conversion efficiency is lower to the charging modes of electronic equipment.
Summary of the invention
The embodiment of the present invention provides a kind of charging unit and charging method, to solve existing charging unit to electronic equipment
Charging modes have that electricity conversion efficiency is lower.
In order to solve the above technical problems, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of charging unit, the charging unit includes:
Battery；
The Power Management Unit (Power Management Unit, abbreviation PMU) being electrically connected with the battery；
The voltage control unit being electrically connected with the Power Management Unit PMU, the voltage control unit include boosting electricity
Road and reduction voltage circuit, for adjusting the output voltage of the charging unit；
The charging control unit MCU being electrically connected with the Power Management Unit PMU；
The charging contact being electrically connected with the voltage control unit, the charging contact also with the charging control unit
MCU establishes communication connection.
Second aspect, the embodiment of the present invention provide a kind of charging method, are applied to above-mentioned charging unit, the method packet
It includes:
In the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit, obtains the electronics and set
Standby target battery voltage；
Obtain the charging voltage to match with the target battery voltage, wherein the charging voltage is greater than or equal to institute
Target battery voltage is stated, and the difference of the charging voltage and the target battery voltage is no more than preset threshold；
The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and to the electronics
Equipment charges.
The third aspect, the embodiment of the present invention provide a kind of charging unit, and the charging unit includes:
First obtains module, for detecting the case where electronic equipment is electrically connected with the charging contact of the charging unit
Under, obtain the target battery voltage of the electronic equipment；
Second obtains module, for obtaining the charging voltage to match with the target battery voltage, wherein the charging
Voltage is greater than or equal to the target battery voltage, and the difference of the charging voltage and the target battery voltage is no more than default
Threshold value；
Adjustment module, for adjusting the output voltage of the charging unit by the voltage control unit of the charging unit
For the charging voltage, and charge to the electronic equipment.
The embodiment of the present invention provides a kind of charging unit, including processor, memory and is stored on the memory simultaneously
The computer program that can be run on the processor, the computer program realize above-mentioned charging when being executed by the processor
Step in method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, the computer program realizes the step in above-mentioned charging method when being executed by processor.
In the embodiment of the present invention, by the way that the voltage control unit for adjusting its output voltage is arranged in charging unit,
Thus during being charged using charging unit to electronic equipment, it can be according to the cell voltage of electronic equipment, to adjust
The output voltage of section charging unit makes it be adapted to the cell voltage of electronic equipment.In this way, using fixation in compared with the prior art
The mode of output voltage, the waste of output voltage when can reduce charging using this programme improve the electricity conversion effect of charging unit
Rate, and then increase charging unit to the charging times of electronic equipment.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of charging unit provided in an embodiment of the present invention；
Fig. 2 is the charging circuit connection structure signal of a kind of charging unit and wireless headset provided in an embodiment of the present invention
Figure；
Fig. 3 is the structural schematic diagram of another charging unit provided in an embodiment of the present invention；
Fig. 4 is that the charging circuit connection structure of another charging unit and wireless headset provided in an embodiment of the present invention is illustrated
Figure；
Fig. 5 is a kind of flow chart of charging method provided in an embodiment of the present invention；
Fig. 6 is the flow chart of another charging method provided in an embodiment of the present invention；
Fig. 7 is the flow chart of another charging method provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of charging unit provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of the first acquisition module of charging unit provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of the adjustment module of charging unit provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another charging unit provided in an embodiment 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 embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is a kind of structural schematic diagram of charging unit provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, as shown in Figure 1, filling
Electric installation 100 includes:
Battery 101；
The Power Management Unit PMU102 being electrically connected with battery 101；
The voltage control unit 103 being electrically connected with Power Management Unit PMU102, voltage control unit 103 include boosting electricity
Road BOOST and reduction voltage circuit BUCK；
The charging control unit MCU104 being electrically connected with Power Management Unit PMU102；
The charging contact 105 being electrically connected with voltage control unit 103, charging contact 105 is gone back and charging control unit
MCU104 establishes communication connection.
In the embodiment of the present invention, charging unit 100 can be used for electronic equipment, as wireless headset or other electronic equipments into
Row charging, charging unit 100 can be charging box or other devices with charging system, Power Management Unit PMU102 are main
It is managed for the battery 101 to charging unit, such as measurement battery capacity, progress voltage conversion, adjusting output voltage function
Can, as shown in Figure 1, Power Management Unit PMU102 is electrically connected with voltage control unit 103, wherein voltage control unit 103 can
Individually to dispose, it also can integrate and be arranged in Power Management Unit PMU102, and voltage control unit 103 can be by booster circuit
BOOST and reduction voltage circuit BUCK composition, for adjusting the output voltage of charging unit 100.Specifically, when charging unit 100
When output voltage is relatively low, the output voltage of battery 101 can be boosted by the booster circuit BOOST in voltage control unit 103
The reduction voltage circuit in voltage control unit 103 can be passed through when the output voltage of charging unit 100 is higher to target voltage
The output voltage of battery 101 is depressurized to target voltage by BUCK, wherein the target voltage can be according to electronic equipment in charging
Actual cell voltage adjusted in real time.
Charging control unit MCU104 can be used for controlling the charged state of charging unit 100, specifically, charging control
Unit MCU104 processed and the foundation of charging contact 105 have communication connection, and are electrically connected with Power Management Unit PMU102, when charging is touched
When point 105 detects the electric connector contact with electronic equipment, which can be transmitted to charging control unit
MCU104, charging control unit MCU104 then may be in response to the signal, and control Power Management Unit PMU102 is in running order,
Power Management Unit PMU102 then starts to export charging voltage to electronic equipment, into the charged state to electronic equipment.
In addition, charging control unit MCU104 can also be to electricity when detecting that no electric device battery electricity has been filled with
Source control unit PMU102 issues the signal for stopping charging, and Power Management Unit PMU102 stops then in response to the signal to electricity
Sub- equipment exports charging voltage, terminates the charged state to electronic equipment.
Referring to Fig. 2, to using the charging unit 100 in the present embodiment to the TWS earphone 200 for having left and right biphone
The mode to charge is illustrated, wherein TWS earphone 200 includes left earphone and right earphone, and left and right earphone is by electricity
Pond 201, TWS chip 202 and elastic slice 203 form, wherein elastic slice 203 can be Pogo Pin precision connector.
When TWS earphone 200, which is placed in charging unit 100, to be charged, as shown in Fig. 2, the left and right of TWS earphone 200
The elastic slice 203 of earphone is electrically connected with the charging contact 105 of charging unit 100, and charging unit 100 can be built with TWS earphone 200
Vertical communication connection, the TWS chip 202 that charging control unit MCU104 can then distinguish right earphone to the left send cell voltage request,
To obtain the cell voltage for working as front left and right earphone.
And then charging control unit MCU104 can according to the cell voltage of left and right earphone, it is determining with it is higher in the earphone of left and right
The target charging voltage of cell voltage adaptation, and the control signal for adjusting output voltage is issued to Power Management Unit PMU102.
Voltage control unit 103 in Power Management Unit PMU102 is then in response to the control signal, by output voltage tune
Section is to the target charging voltage, so that charging unit 100 exports the target charging voltage and fills to the left and right earphone of TWS earphone
Electricity.
Optionally, as shown in figure 3, voltage control unit 103 includes at least first voltage control unit 1031 and the second electricity
Control unit 1032 is pressed, charging contact 105 includes at least the first charging contact 1051 and the second charging contact 1052；
First voltage control unit 1031 is electrically connected with the first charging contact 1051, for adjusting the first charging contact 1051
Output voltage；
Second voltage control unit 1032 is electrically connected with the second charging contact 1052, for adjusting the second charging contact 1052
Output voltage.
In the embodiment, for convenient for charging unit 100 respectively according to the two of electronic equipment components, such as wireless headset
The different cell voltages of left and right earphone, the charging voltage of the independent cell voltage for being adapted to left and right earphone respectively of output two-way, with
The electricity conversion efficiency for further improving charging unit 100, it is independent can be arranged at least two-way in charging unit 100
Charging path.
Specifically, as shown in figure 3, there are two voltage control units and two chargings for setting in Power Management Unit PMU102
Contact, respectively first voltage control unit 1031 and second voltage control unit 1032, the first charging contact 1051 and second
Charging contact 1052, wherein first voltage control unit 1031 is electrically connected with the first charging contact 1051, and charging is logical all the way for composition
Road, second voltage control unit 1032 are electrically connected with the second charging contact 1052, form another way charging path.
In this way, as shown in figure 4, the elastic slice 203 of the left and right earphone of TWS earphone 200 can respectively with charging unit 100 first
Charging contact 1051 and the electrical connection of the second charging contact 1052, so that charging unit 100 can pass through the first charging contact respectively
1051 and second charging contact 1052 obtain the cell voltage of the left and right earphone of TWS earphone 200, and the first electricity can be passed through respectively
Control unit 1031 and second voltage control unit 1032 are pressed to adjust the output voltage on every road, so that the first charging contact 1051
It is adapted to the cell voltage of left and right earphone respectively with the output voltage of the second charging contact 1052, guarantees that every road charging path all has
Higher electricity conversion efficiency.
In the embodiment of the present invention, by the way that the voltage control unit for adjusting its output voltage is arranged in charging unit,
Thus during being charged using charging unit to electronic equipment, it can be according to the cell voltage of electronic equipment, to adjust
The output voltage of section charging unit makes it be adapted to the cell voltage of electronic equipment.In this way, using fixation in compared with the prior art
The mode of output voltage, the waste of output voltage when can reduce charging using this programme improve the electricity conversion effect of charging unit
Rate, and then increase charging unit to the charging times of electronic equipment.
It is a kind of flow chart of charging method provided in an embodiment of the present invention referring to Fig. 5, Fig. 5, is filled applied to shown in FIG. 1
Electric installation, as shown in figure 5, the described method comprises the following steps:
Step 501, in the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit, obtain institute
State the target battery voltage of electronic equipment.
It is above-mentioned to detect that electronic equipment and the charging contact of the charging unit are electrically connected in the present embodiment, it can be and work as
Electronic equipment, such as wireless headset are put into charging unit by user, so that the charging interface of the wireless headset and the charging
When the charging contact contact of device, the charging unit can detecte the wireless headset and the charging of the charging unit is touched
Point electrical connection.
It, can be in the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit in the step
Obtain the target battery voltage of the electronic equipment, specifically, by taking wireless headset as an example, can be by with the wireless headset
Communication connection is established, Xiang Suoshu wireless headset sends cell voltage request message, disappears in the response for receiving the wireless headset
In the case where breath, the cell voltage of the wireless headset is scanned, the battery capacity of wireless headset as described in detection, or to the nothing
The System on Chip/SoC of line earphone reads the battery capacity of the wireless headset, further according to the fixed song of battery capacity and cell voltage
Line determines the cell voltage of the wireless headset.
When the wireless headset is biphone, the cell voltage for two earphones that can be obtained respectively according to scanning comes
Determine final target battery voltage, higher cell voltage is as the target battery such as using in the cell voltage of two earphones
Voltage, or respectively using the cell voltage of two earphones as respective target battery voltage.
Step 502 obtains the charging voltage to match with the target battery voltage, wherein the charging voltage is greater than
Or it is equal to the target battery voltage, and the difference of the charging voltage and the target battery voltage is no more than preset threshold.
In the step, it can be based on the target battery voltage, obtain the charging voltage being adapted to therewith, wherein acquired
Charging voltage can be slightly above the target battery voltage, with guarantee the charging voltage lose a part of voltage it
Afterwards, additionally it is possible to meet the power demands of the electronic equipment, and be unlikely to excessively high again, the voltage in charging process is avoided to be lost,
And then guarantee the electricity conversion efficiency in charging process.
For example, when the cell voltage for getting electronic equipment is 3.3V, if fixed output 5V voltage, obtained electricity turn
Efficiency only about 3.3V/5V ≈ 67% is changed, and according to present embodiment, determine filling for the cell voltage of adaptation electronic equipment
Piezoelectric voltage is 4V, then obtainable electricity conversion efficiency is 4V/5V=80%, when so as to be greatly improved to electronic equipment charging
Electricity conversion efficiency.
When the cell voltage of the electronic equipment also reaches sufficiently high, when such as 5V, the charging voltage can be with the target
Cell voltage is equal, i.e., it is 5V output voltage that the described charging voltage is also adjustable.
It should be noted that at present battery voltage range of the wireless headset under different battery capacities about 3.3V to 5V it
Between, therefore, in order to be adapted to the cell voltage of wireless headset, the output voltage of charging unit can also be risen in 3.5V between 5V
Reduction regulation.
Optionally, the step 502 includes:
According to calculation formula Vo_min=Vbattery+Vdrop+Vcon, obtain the charging to match with the target battery voltage
Voltage, wherein Vo_minIndicate the minimum value of the charging voltage, VbatteryIndicate the target battery voltage, VdropIt indicates
The voltage drop value of the charging unit, VconIndicate the voltage loss value of the charging unit during the charging process.
It, can be according to formula V to guarantee higher electricity conversion efficiency as far as possible in the embodimento_min=Vbattery+
Vdrop+Vcon, calculate the minimum charge V that can meet charge requiremento_min, so as to according to Vo_minIt determines and is adapted to the mesh
The charging voltage for marking cell voltage, the charging voltage as described in determining are Vo_minOr it is slightly larger than Vo_min。
Wherein, VbatteryThe as target battery voltage of the acquired electronic equipment；VdropFor the charging unit
Voltage drop value specifically can be voltage drop value brought by the internal resistance of the metal-oxide-semiconductor in the charging unit, which can be described
It is determined before charging unit factory according to chip design characteristics, it such as can be by the conduction impedance of batch testing chip, and according to it
Distribution parameter obtains after the voltage drop value of the charging unit is normalized；VconIt was charging for the charging unit
Voltage loss value in journey indicates the electricity due to caused by the cabling of charging path and contact impedance under maximum charging current
Crushing consumption, the voltage loss value can be obtained by batch testing before factory, can also be charged according in nearest charging process
The actual output voltage of device and the difference for actually entering voltage at electronic equipment end determine, to obtain more accurate voltage damage
Consumption value.
In this way, due to VdropAnd VconIt is usually all smaller, to can guarantee Vo_minIt is relatively close to the battery of the electronic equipment
Voltage, and then can get higher electricity conversion efficiency, and can improve by the design of chip, make VdropAnd VconValue is as far as possible
Reach very little, to obtain electricity conversion efficiency as high as possible.
Step 503 adjusts the output voltage of the charging unit by the voltage control unit of the charging unit as institute
Charging voltage is stated, and is charged to the electronic equipment.
In the step, after determining charging voltage, can adjust the charging unit output voltage make it equal to it is described
Charging voltage specifically can be the output voltage by the voltage control unit of the charging unit to the charging unit
Control is adjusted, such as when current output voltage is lower than the charging voltage, the liter in the voltage control unit can be passed through
Output voltage is boosted to the charging voltage by volt circuit BOOST, when current output voltage is higher than the charging voltage, can be led to
Output voltage is depressurized to the charging voltage by the reduction voltage circuit BUCK crossed in the voltage control unit.
Wherein, in initial charge, the charging unit can export default charging voltage, default output 5V when such as initial
Charging voltage the charging electricity of adaptation can be determined according to the cell voltage after the cell voltage for obtaining the electronic equipment
Pressure, adjusting output voltage in real time by the voltage control unit is the charging voltage.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone；
The target battery voltage for obtaining the electronic equipment, comprising:
The first cell voltage of first earphone and the second cell voltage of second earphone are obtained respectively；
Determine that higher cell voltage is target battery voltage in first cell voltage and second cell voltage；
The step 503, comprising:
It is the charging electricity by the output voltage that the voltage control unit of the charging unit adjusts the charging unit
Pressure, and charge to first earphone and second earphone.
In the embodiment, when the wireless headset includes that (such as described wireless headset is TWS for the first earphone and the second earphone
Earphone, including left earphone and right earphone) when, the first cell voltage and second ear of first earphone can be obtained respectively
Second cell voltage of machine, specific acquisition modes may refer to the related introduction in step 501, to avoid repeating, herein no longer
It repeats.
It is then possible to which higher cell voltage in first cell voltage and second cell voltage is determined as mesh
Cell voltage is marked, and the output voltage of the charging unit can be adjusted by the voltage control unit to be adapted to the target electricity
The charging voltage of cell voltage charges to first earphone and second earphone using the charging voltage, so as to
Before guaranteeing that the output voltage of the charging unit can meet the charge requirement of first earphone and second earphone simultaneously
It puts, obtains higher electricity conversion efficiency.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone, described
Voltage control unit includes at least first voltage control unit and second voltage control unit, and the charging contact includes at least the
One charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting first charging contact
Output voltage, the second voltage control unit is electrically connected with second charging contact, for adjusting second charging
The output voltage of contact；
The step 501 includes:
Detecting that first earphone is electrically connected with first charging contact, and second earphone and described second
In the case that charging contact is electrically connected, the first object cell voltage and second earphone of first earphone are obtained respectively
Second target battery voltage；
The step 502 includes:
Respectively determining the first charging voltage to match with the first object cell voltage and with the second target electricity
The second charging voltage that cell voltage matches；
The step 503 includes:
It is first charging by the output voltage that the first voltage control unit adjusts first charging contact
Voltage, and charge to first earphone；
It is second charging by the output voltage that the second voltage control unit adjusts second charging contact
Voltage, and charge to second earphone.
In the embodiment, when the charging unit is configured with the independent charging path of two-way, i.e., as shown in figure 3, the
One voltage control unit is electrically connected with the first charging contact, and composition all the way fill by charging path, second voltage control unit and second
Electric contact electrical connection, forms another way charging path, and the first voltage control unit can be used for adjusting the first charging touching
The output voltage of point, the second voltage control unit can be used for adjusting the output voltage of second charging contact, thus institute
Stating charging unit can be respectively using independent charging path to the first earphone of wireless headset and the second earphone (such as left earphone and the right side
Earphone) it charges, to obtain higher electricity conversion efficiency.
Specifically, detecting that first earphone is electrically connected with first charging contact, and second earphone with
In the case where the second charging contact electrical connection, i.e., two earphones of the described wireless headset are put into the charging unit
Different charging interfaces, can obtain respectively at this time first earphone first object cell voltage and second earphone
Two target battery voltages, specific acquisition modes may refer to the related introduction in step 501, no longer superfluous herein to avoid repeating
It states.
Then the first charging voltage for being adapted to the first object cell voltage and adaptation described second can be determined respectively
Second charging voltage of target battery voltage, specifically method of determination also can be found in aforementioned related introduction, and details are not described herein again, example
It such as, can be respectively according to formula Vo_min1=Vbattery1+Vdrop+VconAnd Vo_min2=Vbattery2+Vdrop+Vcon, to calculate adaptation institute
State first object cell voltage Vbattery1The first charging voltage Vo_min1With adaptation the second target battery voltage Vbattery2
The second charging voltage Vo_min2。
Finally, the output voltage that can adjust first charging contact by the first voltage control unit is described the
One charging voltage, and charged using first charging voltage to first earphone, and second electricity can be passed through
The output voltage that pressure control unit adjusts second charging contact is second charging voltage, and is charged using described second
Voltage charges to second earphone.
In this way, in the case where first earphone and second earphone have different battery capacities, by adjusting respectively
The charging voltage for saving first earphone and second earphone is allowed to be adapted to the battery electricity of first earphone and the second earphone
Pressure, to can guarantee that the electricity conversion efficiency of each charging path reaches higher state.
Charging method in the present embodiment, due to being provided with the voltage control for adjusting its output voltage in charging unit
Unit, thus during being charged using charging unit to electronic equipment, can according to the cell voltage of electronic equipment,
It is set to be adapted to the cell voltage of electronic equipment to adjust the output voltage of charging unit.In this way, being used in compared with the prior art
The mode of fixed output voltage, the waste of output voltage when can reduce charging using this programme, the electricity for improving charging unit turn
Efficiency is changed, and then increases charging unit to the charging times of electronic equipment.
In addition, the present embodiment also adds the embodiment of plurality of optional, these optional embodiments can be tied mutually
It closes and realizes, can also be implemented separately, and be attained by the technical effect for improving the electricity conversion efficiency of charging unit.
Below with reference to Fig. 6, the first embodiment in the embodiment of the present invention is illustrated:
Step 601 detects that double wireless headsets are put into charging box.
Step 602, default output 5V voltage.
Step 603 is communicated with double wireless headsets, obtains the cell voltage of each earphone respectively.
Step 604, according to higher cell voltage in two earphones, adjustment output voltage meets charging current to one
Minimum charge Vo_min。
Step 605, timing (such as every 500ms) obtain the cell voltage of each earphone.
Step 606 judges whether two earphones have been filled with electricity；
Wherein, no to then follow the steps 604 if so, thening follow the steps 607.
Step 607 stops charging, and output electricity is full of standby signal.
Below with reference to Fig. 7, second of embodiment in the embodiment of the present invention is illustrated:
Step 701 detects that double wireless headsets are put into charging box.
Step 702, default output 5V voltage.
Step 703 is communicated with double wireless headsets, obtains the cell voltage of each earphone respectively.
Step 704, according to the cell voltage of each earphone, adjust separately the output voltage of corresponding charging path to one it is full
The minimum charge V of sufficient charging currento_min1And Vo_min2。
Step 705, timing (such as every 500ms) obtain the cell voltage of each earphone.
Step 706 judges whether two earphones have been filled with electricity；
Wherein, no to then follow the steps 704 if so, thening follow the steps 707.
Step 707 stops charging, and output electricity is full of standby signal.
It is a kind of structural schematic diagram of charging unit provided in an embodiment of the present invention referring to Fig. 8, Fig. 8, as shown in figure 8, filling
Electric installation 800 includes:
First obtains module 801, for detecting what electronic equipment was electrically connected with the charging contact of the charging unit
In the case of, obtain the target battery voltage of the electronic equipment；
Second obtains module 802, for obtaining the charging voltage to match with the target battery voltage, wherein described
Charging voltage is greater than or equal to the target battery voltage, and the difference of the charging voltage and the target battery voltage is no more than
Preset threshold；
Adjustment module 803, for adjusting the output of the charging unit by the voltage control unit of the charging unit
Voltage is the charging voltage, and is charged to the electronic equipment.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone；
As shown in figure 9, the first acquisition module 801 includes:
Acquiring unit 8011, for obtain respectively first earphone the first cell voltage and second earphone
Two cell voltages；
Determination unit 8012, for determining higher battery electricity in first cell voltage and second cell voltage
Pressure is target battery voltage；
The output voltage that adjustment module 803 is used to adjust the charging unit by voltage control unit is the charging electricity
Pressure, and charge to first earphone and second earphone.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone, described
Voltage control unit includes at least first voltage control unit and second voltage control unit, and the charging contact includes at least the
One charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting first charging contact
Output voltage, the second voltage control unit is electrically connected with second charging contact, for adjusting second charging
The output voltage of contact；
First acquisition module 801 is used to detect that first earphone is electrically connected with first charging contact, and institute
It states in the case that the second earphone is electrically connected with second charging contact, obtains the first object battery of first earphone respectively
Second target battery voltage of voltage and second earphone；
Second acquisition module 802 is for determining the first charging voltage to match with the first object cell voltage respectively
With the second charging voltage to match with second target battery voltage；
As shown in Figure 10, adjustment module 803 includes:
First adjusts unit 8031, for adjusting the defeated of first charging contact by the first voltage control unit
Voltage is first charging voltage out, and is charged to first earphone；
Second adjusts unit 8032, for adjusting the defeated of second charging contact by the second voltage control unit
Voltage is second charging voltage out, and is charged to second earphone.
Optionally, the second acquisition module 802 is used for: according to calculation formula Vo_min=Vbattery+Vdrop+Vcon, obtain and institute
State the charging voltage that target battery voltage matches, wherein Vo_minIndicate the minimum value of the charging voltage, VbatteryIt indicates
The target battery voltage, VdropIndicate the voltage drop value of the charging unit, VconIndicate the charging unit during the charging process
Voltage loss value.
Charging unit 800 can be realized each process that charging unit is realized in the embodiment of the method for Fig. 5 to Fig. 7, to keep away
Exempt to repeat, which is not described herein again.The charging unit 800 of the embodiment of the present invention can charge to electronic equipment in charging unit
During, according to the cell voltage of electronic equipment, so that it is adapted to the electricity of electronic equipment to adjust the output voltage of charging unit
Cell voltage.In this way, in compared with the prior art by the way of fixed output voltage, output when can reduce charging using this programme
The waste of voltage improves the electricity conversion efficiency of charging unit, and then increases charging unit to the charging times of electronic equipment.
It is the structural schematic diagram of another charging unit provided in an embodiment of the present invention referring to Figure 11, Figure 11.Such as Figure 11 institute
Show, charging unit 1100 includes: processor 1101, memory 1102 and is stored on the memory 1102 and can be at the place
The computer program run on device is managed, the various components in charging unit 1100 are coupled by bus system 1103.It can
Understand, bus system 1103 is for realizing the connection communication between these components.
Wherein, processor 1101 is used for:
In the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit, obtains the electronics and set
Standby target battery voltage；
Obtain the charging voltage to match with the target battery voltage, wherein the charging voltage is greater than or equal to institute
Target battery voltage is stated, and the difference of the charging voltage and the target battery voltage is no more than preset threshold；
It is the charging electricity by the output voltage that the voltage control unit of the charging unit adjusts the charging unit
Pressure, and charge to the electronic equipment.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone；
Processor 1101 is also used to:
The first cell voltage of first earphone and the second cell voltage of second earphone are obtained respectively；
Determine that higher cell voltage is target battery voltage in first cell voltage and second cell voltage；
It is the charging electricity by the output voltage that the voltage control unit of the charging unit adjusts the charging unit
Pressure, and charge to first earphone and second earphone.
Optionally, the electronic equipment is wireless headset, and the wireless headset includes the first earphone and the second earphone, described
Voltage control unit includes at least first voltage control unit and second voltage control unit, and the charging contact includes at least the
One charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting first charging contact
Output voltage, the second voltage control unit is electrically connected with second charging contact, for adjusting second charging
The output voltage of contact；
Processor 1101 is also used to:
Detecting that first earphone is electrically connected with first charging contact, and second earphone and described second
In the case that charging contact is electrically connected, the first object cell voltage and second earphone of first earphone are obtained respectively
Second target battery voltage；
Respectively determining the first charging voltage to match with the first object cell voltage and with the second target electricity
The second charging voltage that cell voltage matches；
It is first charging by the output voltage that the first voltage control unit adjusts first charging contact
Voltage, and charge to first earphone；
It is second charging by the output voltage that the second voltage control unit adjusts second charging contact
Voltage, and charge to second earphone.
Optionally, processor 1101 is also used to:
According to calculation formula Vo_min=Vbattery+Vdrop+Vcon, obtain the charging to match with the target battery voltage
Voltage, wherein Vo_minIndicate the minimum value of the charging voltage, VbatteryIndicate the target battery voltage, VdropIt indicates
The voltage drop value of the charging unit, VconIndicate the voltage loss value of the charging unit during the charging process.
Charging unit 1100 can be realized Fig. 5 each process that charging unit is realized into embodiment of the method shown in Fig. 7,
To avoid repeating, which is not described herein again.The charging unit 1100 of the embodiment of the present invention can charging unit to electronic equipment into
During row charging, according to the cell voltage of electronic equipment, set its adaptation electronics to adjust the output voltage of charging unit
Standby cell voltage.In this way, charging can be reduced using this programme by the way of fixed output voltage in compared with the prior art
When output voltage waste, improve the electricity conversion efficiency of charging unit, and then increase charging of the charging unit to electronic equipment
Number.
The embodiment of the present invention also provides a kind of charging unit, including processor X10, and memory X09 is stored in memory
X09 is upper and the computer program that can run on the processor X10, the computer program are realized when being executed by processor X10
Each process of above-mentioned charging method embodiment, and identical technical effect can be reached, to avoid repeating, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned charging method embodiment when being executed by processor, and can reach
Identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium is deposited Ru read-only
Reservoir (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM),
Magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (12)
1. a kind of charging unit, which is characterized in that the charging unit includes:
Battery；
The Power Management Unit PMU being electrically connected with the battery；
The voltage control unit being electrically connected with the Power Management Unit PMU, the voltage control unit include booster circuit and
Reduction voltage circuit；
The charging control unit MCU being electrically connected with the Power Management Unit PMU；
The charging contact being electrically connected with the voltage control unit, the charging contact are also built with the charging control unit MCU
Vertical communication connection.
2. charging unit according to claim 1, which is characterized in that the voltage control unit includes at least first voltage
Control unit and second voltage control unit, the charging contact include at least the first charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting the defeated of first charging contact
Voltage out；
The second voltage control unit is electrically connected with second charging contact, for adjusting the defeated of second charging contact
Voltage out.
3. a kind of charging method is applied to charging unit described in claim 1, which is characterized in that the described method includes:
In the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit, the electronic equipment is obtained
Target battery voltage；
Obtain the charging voltage to match with the target battery voltage, wherein the charging voltage is greater than or equal to the mesh
Cell voltage is marked, and the difference of the charging voltage and the target battery voltage is no more than preset threshold；
The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and to the electronic equipment
It charges.
4. according to the method described in claim 3, it is characterized in that, the electronic equipment is wireless headset, the wireless headset
Including the first earphone and the second earphone；
The target battery voltage for obtaining the electronic equipment, comprising:
The first cell voltage of first earphone and the second cell voltage of second earphone are obtained respectively；
Determine that higher cell voltage is target battery voltage in first cell voltage and second cell voltage；
The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and to the electronics
Equipment charges, comprising:
The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and to first earphone
It charges with second earphone.
5. according to the method described in claim 3, it is characterized in that, the electronic equipment is wireless headset, the wireless headset
Including the first earphone and the second earphone, the voltage control unit includes at least first voltage control unit and second voltage controls
Unit, the charging contact include at least the first charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting the defeated of first charging contact
Voltage out, the second voltage control unit are electrically connected with second charging contact, for adjusting second charging contact
Output voltage；
It is described in the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit, obtain the electronics and set
Standby target battery voltage, comprising:
Detecting that first earphone is electrically connected with first charging contact, and second earphone and second charging
Contact be electrically connected in the case where, obtain respectively first earphone first object cell voltage and second earphone second
Target battery voltage；
The charging voltage that the acquisition matches with the target battery voltage, comprising:
Respectively determining the first charging voltage to match with the first object cell voltage and with the second target battery electricity
Press the second charging voltage to match；
The output voltage that the charging unit is adjusted by voltage control unit is the charging voltage, and to the electronics
Equipment charges, comprising:
It is first charging voltage by the output voltage that the first voltage control unit adjusts first charging contact,
And it charges to first earphone；
It is second charging voltage by the output voltage that the second voltage control unit adjusts second charging contact,
And it charges to second earphone.
6. method according to any one of claim 3 to 5, which is characterized in that the acquisition and the target battery electricity
Press the charging voltage to match, comprising:
According to calculation formula Vo_min=Vbattery+Vdrop+Vcon, the charging voltage to match with the target battery voltage is obtained,
Wherein, Vo_minIndicate the minimum value of the charging voltage, VbatteryIndicate the target battery voltage, VdropIt is filled described in expression
The voltage drop value of electric installation, VconIndicate the voltage loss value of the charging unit during the charging process.
7. a kind of charging unit, which is characterized in that the charging unit includes:
First obtains module, in the case where detecting that electronic equipment is electrically connected with the charging contact of the charging unit,
Obtain the target battery voltage of the electronic equipment；
Second obtains module, for obtaining the charging voltage to match with the target battery voltage, wherein the charging voltage
More than or equal to the target battery voltage, and the difference of the charging voltage and the target battery voltage is no more than default threshold
Value；
Adjustment module, for adjusting the output voltage of the charging unit by the voltage control unit of the charging unit as institute
Charging voltage is stated, and is charged to the electronic equipment.
8. charging unit according to claim 7, which is characterized in that the electronic equipment is wireless headset, described wireless
Earphone includes the first earphone and the second earphone；
Described first, which obtains module, includes:
Acquiring unit, for obtaining the first cell voltage of first earphone and the second battery electricity of second earphone respectively
Pressure；
Determination unit, for determining, higher cell voltage is target in first cell voltage and second cell voltage
Cell voltage；
The adjustment module is used to adjust the output voltage of the charging unit by the voltage control unit of the charging unit
For the charging voltage, and charge to first earphone and second earphone.
9. charging unit according to claim 7, which is characterized in that the electronic equipment is wireless headset, described wireless
Earphone includes the first earphone and the second earphone, and the voltage control unit includes at least first voltage control unit and second voltage
Control unit, the charging contact include at least the first charging contact and the second charging contact；
The first voltage control unit is electrically connected with first charging contact, for adjusting the defeated of first charging contact
Voltage out, the second voltage control unit are electrically connected with second charging contact, for adjusting second charging contact
Output voltage；
The first acquisition module is used to detect that first earphone is electrically connected with first charging contact, and described the
In the case that two earphones are electrically connected with second charging contact, the first object cell voltage of first earphone is obtained respectively
With the second target battery voltage of second earphone；
The second acquisition module for determining the first charging voltage to match with the first object cell voltage respectively and
The second charging voltage to match with second target battery voltage；
The adjustment module includes:
First adjusts unit, and the output voltage for adjusting first charging contact by the first voltage control unit is
First charging voltage, and charge to first earphone；
Second adjusts unit, and the output voltage for adjusting second charging contact by the second voltage control unit is
Second charging voltage, and charge to second earphone.
10. charging unit according to any one of claims 7 to 9, which is characterized in that described second, which obtains module, uses
In: according to calculation formula Vo_min=Vbattery+Vdrop+Vcon, the charging voltage to match with the target battery voltage is obtained,
Wherein, Vo_minIndicate the minimum value of the charging voltage, VbatteryIndicate the target battery voltage, VdropIt is filled described in expression
The voltage drop value of electric installation, VconIndicate the voltage loss value of the charging unit during the charging process.
11. a kind of charging unit, which is characterized in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 3 to 6 is realized when the computer program is executed by the processor
Any one of described in charging method in step.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor in the charging method as described in any one of claim 3 to 6
Step.
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| CN201910458805.3A CN110224457A (en) | 2019-05-29 | 2019-05-29 | Charging unit and charging method |
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| CN201910458805.3A CN110224457A (en) | 2019-05-29 | 2019-05-29 | Charging unit and charging method |
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| CN111431238A (en) * | 2020-04-14 | 2020-07-17 | 矽力杰半导体技术(杭州)有限公司 | Charging device and charging method |
| CN111491235A (en) * | 2020-04-22 | 2020-08-04 | 歌尔科技有限公司 | Charging method and system, charging box and Bluetooth headset |
| CN111697652A (en) * | 2020-06-17 | 2020-09-22 | 歌尔科技有限公司 | Charging box, wireless earphone and charging method of wireless earphone |
| CN112165143A (en) * | 2020-10-29 | 2021-01-01 | 歌尔科技有限公司 | Wireless earphone charging method, device, equipment and storage medium |
| CN112913106A (en) * | 2020-04-26 | 2021-06-04 | 深圳市大疆创新科技有限公司 | Charging control method, charger, charging system and storage medium |
| CN113013934A (en) * | 2019-12-19 | 2021-06-22 | 华为技术有限公司 | Electronic equipment, electronic device and charging method |
| WO2021175209A1 (en) * | 2020-03-06 | 2021-09-10 | 华为技术有限公司 | Charging method, device and system |
| WO2021249485A1 (en) * | 2020-06-12 | 2021-12-16 | Oppo广东移动通信有限公司 | Charging method, earphone assembly, earphones, earphone box, and storage medium |
| WO2022236474A1 (en) * | 2021-05-08 | 2022-11-17 | Harman International Industries, Incorporated | Charging device for wearable device and wearable device assembly |
| WO2023010283A1 (en) * | 2021-08-03 | 2023-02-09 | Harman International Industries, Incorporated | Charging device for wearable device and wearable device assembly |
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Application publication date: 20190910 |