CN110098650A - For the charging unit of linear-charging, charging method and electronic equipment - Google Patents
For the charging unit of linear-charging, charging method and electronic equipment Download PDFInfo
- Publication number
- CN110098650A CN110098650A CN201910391233.1A CN201910391233A CN110098650A CN 110098650 A CN110098650 A CN 110098650A CN 201910391233 A CN201910391233 A CN 201910391233A CN 110098650 A CN110098650 A CN 110098650A
- Authority
- CN
- China
- Prior art keywords
- voltage
- charging
- cell
- value
- voltage value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
-
- 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
Abstract
Present disclose provides a kind of charging unit for linear-charging, charging unit is used to charge for the rechargeable battery of electronic equipment, comprising: power-supply battery, for providing DC voltage；Voltage cell, the DC voltage that power-supply battery is provided are converted to DC charging voltage and are charged using will pass through DC charging voltage as rechargeable battery；Control unit, for generating the control signal of voltage cell, to control voltage cell, to control the voltage value of the DC charging voltage after conversion；And acquisition unit, for acquiring the cell voltage of rechargeable battery, wherein the voltage value of cell voltage of the control unit based on acquisition, to control the voltage value of DC charging voltage.The disclosure additionally provides a kind of charging method and electronic equipment for linear-charging.
Description
Technical field
This disclosure relates to a kind of for the charging unit of linear-charging, method and electronic equipment.
Background technique
Because battery capacity is small and charging current is small, such as the electronic equipment of TWS earphone uses linear-charging mode
It charges, but the efficiency of linear-charging is lower than switched charge, and when charging current is big, then power consumption is larger.Therefore right
For linear-charging mode, need to solve the problems such as its charge efficiency is not high, to solve integrally continuing a journey for electronic equipment
Problem.
Summary of the invention
At least one of in order to solve the above-mentioned technical problem, present disclose provides a kind of charging dresses for linear-charging
It sets, method and electronic equipment.
According to one aspect of the disclosure, a kind of charging unit for linear-charging, the charging unit are used for as electricity
The rechargeable battery of sub- equipment charges, comprising: power-supply battery, for providing DC voltage；Voltage cell mentions the power-supply battery
The DC voltage of confession is converted to DC charging voltage will pass through the DC charging voltage as rechargeable battery charging；Control
Unit, for generating the control signal of the voltage cell, to control the voltage cell, so that the direct current controlled after conversion fills
The voltage value of piezoelectric voltage；And acquisition unit, for acquiring the cell voltage of the rechargeable battery, wherein described control unit
The voltage value of the cell voltage based on acquisition, to control the voltage value of the DC charging voltage.
According at least one embodiment of the disclosure, described control unit is according to the DC voltage or DC charging electricity
The voltage value of the voltage value of pressure and the cell voltage, so that the voltage value of the DC charging voltage and battery electricity
Voltage difference between the voltage value of pressure is equal to predetermined voltage difference.
According at least one embodiment of the disclosure, when the DC voltage or the voltage value of the DC charging voltage
When greater than the voltage value of the cell voltage or when being greater than the sum of the battery voltage value and the predetermined voltage difference, institute
It states control unit and controls the voltage cell, it is described so that the DC voltage to be supplied to as the DC charging voltage
Rechargeable battery.
According at least one embodiment of the disclosure, when the DC voltage or the DC charging voltage are less than or wait
When the voltage value of the cell voltage, described control unit controls the voltage cell, to carry out to the DC voltage
For boost conversion with the DC charging voltage after being converted, the voltage value of the DC charging voltage after the conversion is equal to the battery
The sum of the voltage value of voltage and the predetermined voltage difference.
According at least one embodiment of the disclosure, after carrying out boost conversion to the DC voltage to obtain conversion
DC charging voltage when, described control unit passes through I2Direct current after conversion of the C bus to control the voltage cell output
Charging voltage
According at least one embodiment of the disclosure, the electronic equipment is wireless headset, and the charging unit
For for the earphone charging box for the charging earphone charging, the wireless headset passes through charging contact and the earphone charging box
Charging contact electrical connection.
According to another aspect of the present disclosure, a kind of charging method for linear-charging, comprising: provide for as charging
The DC voltage of power supply charges to generate DC charging voltage for the battery that is electrically charged；Acquisition is electrically charged battery
Cell voltage and DC voltage or DC charging voltage；And the voltage value and direct current of the cell voltage based on acquisition
The voltage value of pressure or DC charging voltage adjusts the voltage value of the DC charging voltage.
According at least one embodiment of the disclosure, the electricity of the DC voltage or DC charging voltage based on acquisition
When voltage value of the voltage value of pressure value and the cell voltage to adjust the DC charging voltage, so that the direct current fills
Voltage difference between the voltage value of piezoelectric voltage and the voltage value of the cell voltage is equal to predetermined voltage difference.
According at least one embodiment of the disclosure, when the DC voltage or the voltage value of the DC charging voltage
It, will when greater than the voltage value of the cell voltage or when being greater than the sum of the battery voltage value and the predetermined voltage difference
The DC voltage is supplied to the rechargeable battery as the DC charging voltage；And work as the DC voltage or described
When DC charging voltage is less than or equal to the voltage value of the cell voltage, boost conversion is carried out to obtain to the DC voltage
DC charging voltage after conversion, the voltage value of the DC charging voltage after the conversion be equal to the voltage value of the cell voltage with
The sum of described predetermined voltage difference.
According to the another further aspect of the disclosure, a kind of electronic equipment, comprising: the above-mentioned charging unit for linear-charging.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the schematic block diagram of charging unit in accordance with one embodiment of the present disclosure.
Fig. 2 is the schematic flow chart of charging method in accordance with one embodiment of the present disclosure.
Fig. 3 is the schematic flow chart of charging method in accordance with one embodiment of the present disclosure.
Fig. 4 is the schematic diagram of earphone and earphone charging box in accordance with one embodiment of the present disclosure.
Fig. 5 is the cross-sectional view of earphone and earphone charging box in accordance with one embodiment of the present disclosure.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can be with
It is combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Currently, there are mainly two types of the charging modes of lithium ion battery etc.: on-off mode charging and linear mode charging.
For on-off mode charging for, discontinuous current such as battery and electric current constant magnitude.And charge for linear mode,
Charging current can linearly reduce with the continuous rising of cell voltage.
In accordance with one embodiment of the present disclosure, a kind of charging unit for linear-charging is provided, charging unit is used
In the rechargeable battery charging for electronic equipment.Wherein the charging unit can be with battery (hereinafter referred to as " power-supply battery ")
Charging unit, wherein the rechargeable battery can be charged by external power supply (such as alternating current etc.) and store electric energy.And
The charging unit can be charged by power-supply battery for other electronic equipments.In actual application, the charging unit
It can be portable charger, such as charger baby, earphone charging box etc., and electronic equipment can be portable terminal, such as
Wireless headset etc..
As shown in Figure 1, the charging unit 10 may include: power-supply battery 11, voltage cell 12, control unit 13 and acquisition
Unit 14.
Power-supply battery 11 can be charged for providing DC voltage Vin by source power supply (such as alternating current) for it,
And its DC voltage provided can be rechargeable battery 21 to charge.Power-supply battery, which can be lithium ion battery etc., to be filled
Discharge battery etc..
The input terminal of voltage cell 12 can connect the DC voltage Vin of the offer of power-supply battery 11.Voltage cell 12 can be with
It may include one or more switches including DC-DC converter, such as metal oxide semiconductor field effect tube etc. passes through
The closing of switch and the switching opened, to be adjusted to the voltage value of DC voltage, to generate DC charging voltage Vout.
The DC charging voltage Vout that voltage cell 12 exports is used to charge for rechargeable battery 21.
Acquisition unit 14 is used to acquire the cell voltage Vbat of rechargeable battery 21, and the cell voltage Vbat of acquisition is mentioned
It is supplied to control unit 13, control unit 13 controls DC charging voltage Vout according to the cell voltage Vbat of acquisition, thus logical
DC charging voltage Vout is crossed to charge to rechargeable battery 21.
According to the disclosure alternative embodiment, control unit 13 can be adjusted according to the cell voltage Vbat of acquisition
DC charging voltage Vout, to make the voltage difference between the voltage value of DC charging voltage and the voltage value of cell voltage
△V。
According to the disclosure alternative embodiment, acquisition unit 14 can also acquire the voltage of DC charging voltage Vout
Value, with size and/or the difference etc. for judging cell voltage Vbat and DC charging voltage Vout.
When the voltage value of DC charging voltage Vout is greater than the voltage value of cell voltage Vbat or greater than cell voltage
When the sum of the voltage value of Vbat and predetermined voltage difference, control unit 13 controls voltage cell 12, so as to by DC voltage Vin
Rechargeable battery 21 is supplied to as DC charging voltage Vout.
When DC charging voltage Vout is less than or equal to the voltage value of cell voltage Vbat, control unit 13 controls voltage
Unit 12, to carry out boost conversion with the DC charging voltage Vout after being converted, after the conversion to DC voltage Vin
The sum of voltage value of the voltage value of DC charging voltage Vout equal to cell voltage Vbat and predetermined voltage difference.Specifically showing
In example, control unit 13 can export the control of the switch of such as metal oxide semiconductor field effect tube of control voltage cell 12
Signal processed adjusts the size of the voltage value of DC charging voltage Vout by the switch of switch.
Wherein it is possible to set the size of above-mentioned predetermined voltage difference according to actual needs.Such as in rechargeable battery 21
Internal resistance changes in lesser situation, and predetermined voltage difference can be set as to a predetermined value.In addition it is also possible to according to charging electricity
The variation of the internal resistance in pond 21, to dynamically adjust the size of predetermined voltage difference, so that rechargeable battery 21 is in constant current
In the case where charge.By the way that the voltage difference of DC charging voltage Vout and cell voltage Vbat are maintained at predetermined voltage difference
It, in this way can be in the condition of constant charging current, by the lower power consumption on circuit, to improve efficiency in value.It can also be with
When DC charging voltage Vout is greater than the voltage value of cell voltage Vbat or voltage value greater than cell voltage Vbat and pre-
When the sum of constant voltage difference, directly by DC voltage Vin as DC charging voltage Vout.
It can also be the control that voltage cell 12 provides by control unit 13 according to the disclosure alternative embodiment
The voltage value of DC charging voltage Vout is calculated in circuit structure in signal and voltage cell 12 etc., in this way, pass through control
Unit 13 processed is compared to from the received cell voltage Vbat of acquisition unit 14 with DC charging voltage Vout, thus according to than
Relatively result carries out above-mentioned control and regulation to adjust DC charging voltage Vout, so that cell voltage Vbat is filled with direct current
The voltage difference of piezoelectric voltage Vout is constant etc..
According to the disclosure alternative embodiment, acquisition unit 14 can also acquire the voltage value of DC voltage Vin,
With size and/or the difference etc. for judging cell voltage Vbat and DC voltage Vin.When the voltage value of DC voltage Vin is greater than electricity
When the sum of voltage value and predetermined voltage difference when the voltage value of cell voltage Vbat or greater than cell voltage Vbat, control is single
Member 13 controls voltage cell 12, so that DC voltage Vin is supplied to rechargeable battery 21 as DC charging voltage Vout.When
When DC voltage Vin is less than or equal to the voltage value of cell voltage Vbat, control unit 13 controls voltage cell 12, so as to straight
Galvanic electricity pressure Vin carries out DC charging voltage of the boost conversion with the DC charging voltage Vout after being converted, after the conversion
The sum of voltage value of the voltage value of Vout equal to cell voltage Vbat and predetermined voltage difference.
In the disclosure, when DC voltage Vin is lower than the charge cutoff voltage of power-supply battery, then stop charging operations.
It can also include that voltage compares computing unit according to the disclosure alternative embodiment, it is single for comparing acquisition
First 14 each voltage values collected, such as comparing DC charging voltage Vout and cell voltage Vbat；Compare direct current
Vin and cell voltage Vbat etc. are pressed, and comparison result is input to control unit 13, control unit 13 can compare according to this
As a result come carry out DC charging voltage Vout voltage value control.
According to the disclosure alternative embodiment, it is more than or less than in DC voltage Vin or DC charging voltage Vout
In the case where the sum of cell voltage Vbat and predetermined voltage difference, voltage cell 12 is controlled by control unit 13,
So that the voltage difference between DC charging voltage Vout and cell voltage Vbat is predetermined voltage difference, can guarantee in this way
Constant charging current.
According to the disclosure alternative embodiment, voltage cell 12 may include boosting unit and plug-in unit.
The both ends of boosting unit can connect to the both ends of power-supply battery 11, to receive the DC voltage Vin of power-supply battery 11, directly fill
Electric unit also can connect to the both ends of power-supply battery 11, and receive the DC voltage Vin of power-supply battery 11.
Boosting unit is used for the voltage value as DC voltage Vin or DC charging voltage Vout less than cell voltage Vbat's
The sum of voltage value and predetermined voltage difference when voltage value or less than cell voltage Vbat, by the control of control unit 13,
The output of voltage cell 12 is boosted, to make DC charging voltage Vout be equal to the voltage value of cell voltage Vbat
The sum of with predetermined voltage difference.Here, boosting unit is for straight after DC voltage Vin progress boost operations are boosted
Current charge voltage Vout.
Unit is plugged in be used to be greater than cell voltage when the voltage value of DC voltage Vin or DC charging voltage Vout
The sum of voltage value and predetermined voltage difference when the voltage value of Vbat or greater than cell voltage Vbat, plugging in unit can
Using by DC voltage Vin as DC charging voltage Vout.
In the voltage cells, it boosting unit and plugs in unit and can be configured by parallel form, it in this way can be with
It is selected according to the relative size between above-mentioned voltage using boosting unit still using plug-in unit.
Wherein, the selection of boosting unit and plug-in unit can be realized by control unit 13, for example, control
Unit 13 processed can receive cell voltage Vbat's from acquisition unit and DC voltage Vin or DC charging voltage Vout
Voltage value, and control unit 13 is by comparing calculating cell voltage Vbat and DC voltage Vin or cell voltage Vbat and directly
Current charge voltage Vout, in addition can also be to control in this way as described above, predetermined voltage difference can be considered when comparing calculating
Unit 13 can compare the result after calculating to select using boosting unit or using plug-in unit.
In an optional embodiment of the disclosure, it can also include that voltage compares computing unit, voltage can be passed through
Compare the result of computing unit to select using boosting unit still using plug-in unit.Voltage compares the two of computing unit
A input terminal can input the cell voltage Vbat and DC voltage Vin of acquisition respectively, or can also input acquisition respectively
DC charging voltage Vout and cell voltage Vbat, such voltage compares computing unit can be with comparative cell voltage Vbat and direct current
Voltage Vin.Such as when the voltage value according to the voltage value of DC voltage Vin or DC charging voltage Vout and cell voltage Vbat
In the case where controlling voltage cell 12, voltage compares computing unit can be by comparing two inputs, to export height
Level and low level, such as when the voltage value of DC voltage Vin or DC charging voltage Vout are higher than cell voltage Vbat, then
High level is exported, can select to plug in unit at this time by the high level, to form DC charging voltage as charging electricity
Pond charging.When the voltage value of DC voltage Vin or DC charging voltage Vout are lower than cell voltage Vbat, then low electricity is exported
It is flat, boosting unit can be selected by the low level at this time, to form the DC charging voltage of boosting as rechargeable battery charging.
In addition, when the voltage according to the voltage value of DC voltage Vin or DC charging voltage Vout and cell voltage Vbat
The sum of value and predetermined voltage difference come in the case where controlling voltage cell 12, voltage compares computing unit when relatively,
Predetermined voltage difference can be taken into account, after considering the predetermined voltage difference, export high level and low electricity by comparing
It is flat, such as when the voltage value of DC voltage Vin or DC charging voltage Vout are greater than cell voltage Vbat and predetermined voltage difference
The sum of when, then export high level, can be selected at this time by the high level plug in unit, to form DC charging voltage
For rechargeable battery charging.When the voltage value of DC voltage Vin or DC charging voltage Vout are less than cell voltage Vbat and make a reservation for
When the sum of voltage difference, then low level is exported, boosting unit can be selected by the low level at this time, to form the straight of boosting
Current charge voltage is rechargeable battery charging.
In addition, according to the further alternative embodiment of the disclosure, when according to DC voltage Vin or DC charging voltage Vout
Voltage value and cell voltage Vbat voltage value and the sum of predetermined voltage difference come the case where control voltage cell 12
Under, it can also be compared by the cell voltage Vbat and DC voltage Vin or DC charging voltage Vout of acquisition as voltage
Two inputs of computing unit compare computing unit by voltage and calculate cell voltage Vbat and DC voltage Vin or straight
Voltage difference between current charge voltage Vout, and the voltage difference is supplied to control unit 13, control unit 13 receives
It to after the voltage difference, is compared in conjunction with predetermined voltage difference, DC voltage Vin can be calculated in this way or direct current fills
Whether the voltage value of piezoelectric voltage Vout is more than or less than the sum of voltage value and predetermined voltage difference of cell voltage Vbat, works as direct current
When the voltage value of voltage Vin or DC charging voltage Vout are greater than the sum of cell voltage Vbat and predetermined voltage difference, then export
High level can be selected to plug in unit at this time by the high level, be filled to form DC charging voltage as rechargeable battery
Electricity.When the voltage value of DC voltage Vin or DC charging voltage Vout are less than the sum of cell voltage Vbat and predetermined voltage difference
When, then low level is exported, boosting unit can be selected by the low level at this time, is to form the DC charging voltage of boosting
Rechargeable battery charging.
In one example, when selection is using boosting unit or using unit is plugged in, switch can be passed through
Selection circuit realizes, for example, comparing the output of computing unit by voltage or the output of control unit is gated.
It is further to note that it is real-time perfoming that above-mentioned voltage acquisition and voltage, which adjust control etc., to charge
It is adjusted in time in journey, can guarantee the dynamic constant difference of the DC charging voltage and cell voltage in charging process in this way.
According to the disclosure specific example, control unit 13 can be micro-control unit MCU, can in above-mentioned boosting
To use DC-DC conversion chip, and micro-control unit MCU can pass through I2C bus controls DC-DC conversion chip
System, to adjust the output voltage of DC-DC conversion chip.
According to the disclosure another, embodiment there is provided a kind of charging methods for linear-charging.This method can be with
It is corresponding with content described in above-mentioned charging unit, because of the partial content described in charging unit, in retouching for this method
It may be repeated no more in stating.
As shown in Fig. 2, this method 20 may include: step S21, provide the DC voltage being used for as charge power supply, with
Just DC charging voltage is generated to charge for the battery that is electrically charged；Step S22, acquisition be electrically charged battery cell voltage,
With DC voltage or DC charging voltage；Step S23, the voltage value of the DC voltage based on acquisition or DC charging voltage, with
And the voltage value of cell voltage adjusts the voltage value of DC charging voltage.
In the step s 21, charge power supply can be to provide the battery of rechargeable electrical energy, for example, can be charger baby, earphone fills
The battery of the portable charging apparatus such as electric box, and DC voltage is exported by the battery, wherein being based on the DC voltage next life
The DC charging voltage to charge as other batteries.Wherein the DC voltage can directly as DC charging voltage or
Person can be using transformed rear as DC charging voltage, to charge for band rechargeable battery.
In step S22, the cell voltage for being electrically charged battery and DC voltage or DC charging voltage are acquired.In the step
In rapid, it can acquire in real time and be electrically charged the cell voltage of battery and the DC voltage of charge power supply, can also acquire and be filled in real time
The cell voltage and DC charging voltage of battery.Wherein the acquisition can be realized by corresponding voltage sensor.
In step S23, the voltage value of DC voltage or DC charging voltage based on acquisition and the electricity of cell voltage
Pressure value adjusts the voltage value of DC charging voltage.In this step, by comparing the voltage value and electricity of the DC voltage of acquisition
The voltage value of cell voltage or compare DC charging voltage voltage value and cell voltage voltage value come adjust DC charging electricity
The voltage value of pressure, to control the voltage value of the DC charging voltage for battery to be charged charging according to comparison result.
According to the disclosure another, embodiment there is provided a kind of charging methods for linear-charging.This method can be with
It is corresponding with content described in above-mentioned charging unit, because of the partial content described in charging unit, in retouching for this method
It may be repeated no more in stating.
As shown in figure 3, this method 30 may include: step S31, provide the DC voltage being used for as charge power supply, with
Just DC charging voltage is generated to charge for the battery that is electrically charged；Step S32, acquisition be electrically charged battery cell voltage,
With DC voltage or DC charging voltage；Step S33, compare DC voltage or DC charging voltage and cell voltage；Step
S34, DC voltage are supplied to rechargeable battery as DC charging voltage；And step S35, to DC voltage carry out boosting turn
It changes and rechargeable battery is supplied to DC charging voltage after being converted
In step S31, charge power supply can be to provide the battery of rechargeable electrical energy, for example, can be charger baby, earphone fills
The battery of the portable charging apparatus such as electric box, and DC voltage is exported by the battery, wherein being based on the DC voltage next life
The DC charging voltage to charge as other batteries.Wherein the DC voltage can directly as DC charging voltage or
Person can be using transformed rear as DC charging voltage, to charge for band rechargeable battery.
In step s 32, the cell voltage for being electrically charged battery and DC voltage or DC charging voltage are acquired.In the step
In rapid, it can acquire in real time and be electrically charged the cell voltage of battery and the DC voltage of charge power supply, can also acquire and be filled in real time
The cell voltage and DC charging voltage of battery.Wherein the acquisition can be realized by corresponding voltage sensor.
In step S33, compare DC voltage and cell voltage or compared with DC charging voltage and cell voltage.
Step S34 or S35 are executed according to the comparison result of step S33, to determine according to step S34 or S35 straight
Current charge voltage charges for rechargeable battery.
It, can be with comparative cell voltage Vbat and DC voltage Vin in specific example；When the voltage of DC voltage Vin
When value is greater than cell voltage Vbat, S34 is thened follow the steps, DC voltage Vin is supplied to as DC charging voltage Vout
Rechargeable battery thens follow the steps S35, to DC voltage Vin when the voltage value of DC voltage Vin is less than cell voltage Vbat
It carries out boost conversion and rechargeable battery is supplied to DC charging voltage Vout after being converted.It can also be with comparative cell voltage
Vbat and DC charging voltage Vout；When the voltage value of DC charging voltage Vout is greater than cell voltage Vbat, then step is executed
DC voltage is supplied to rechargeable battery as DC charging voltage by rapid S34；When the voltage value of DC charging voltage Vout is small
When cell voltage Vbat, S35 is thened follow the steps, boost conversion is carried out to DC voltage Vin and is filled with the direct current after being converted
Piezoelectric voltage Vout is supplied to rechargeable battery.In an optional example, can also according to the voltage value of DC voltage Vin with
The sum of the voltage value of cell voltage Vbat and predetermined voltage difference control DC charging voltage Vout.Such as work as direct current
When the voltage value of voltage Vin is greater than the sum of cell voltage Vbat and predetermined voltage difference, S34 is thened follow the steps, by DC voltage
Vin is supplied to rechargeable battery as DC charging voltage Vout；When the voltage value of DC charging voltage Vout is less than battery electricity
When pressing the sum of Vbat and predetermined voltage difference, S35 is thened follow the steps, boost conversion is carried out to be converted to DC voltage Vin
Rear DC charging voltage Vout is supplied to rechargeable battery.It can also be according to the voltage value and battery of DC charging voltage Vout
The sum of the voltage value of voltage Vbat and predetermined voltage difference control DC charging voltage Vout.Such as work as DC charging
When the voltage value of voltage Vout is greater than the sum of cell voltage Vbat and predetermined voltage difference, S34 is thened follow the steps, by DC voltage
Vin is supplied to rechargeable battery as DC charging voltage Vout；When the voltage value of DC charging voltage Vout is less than battery electricity
When pressing the sum of Vbat and predetermined voltage difference, S35 is thened follow the steps, boost conversion is carried out to be converted to DC voltage Vin
Rear DC charging voltage Vout is supplied to rechargeable battery.
For example, can be boosted to it when DC voltage Vin is lower to generate DC charging voltage Vout, and
So that DC charging voltage Vout and cell voltage Vbat are maintained at constant pressure difference, the power consumption on circuit can be dropped in this way
It is low, to improve charge efficiency.
According at least one embodiment of the disclosure, electronic equipment is wireless headset, and charging unit be for for
The earphone charging box that the earphone that charges charges, wireless headset are electrically connected by charging contact with the charging contact of earphone charging box.
According to the another further aspect of the disclosure, a kind of electronic equipment, comprising: memory, memory storage execute instruction；And
Processor, processor executes executing instruction for memory storage, so that processor executes above-mentioned method.
According to the another aspect of the disclosure, it is stored with and executes instruction in readable storage medium storing program for executing, execute instruction and held by processor
For realizing above-mentioned method when row.
Below in conjunction with being illustrated for wireless headset and the earphone charging box being adapted to earphone.
Wherein the wireless headset can be TWS earphone, and earphone charging box be used for when earphone merging wherein Shi Weiqi into
Row charging.Charging box 20 can be that its battery charges by external power supply by interface, then can be by its battery
Earphone charges.
Wherein above-mentioned charging unit can be placed in earphone charging box, and pass through the charging contact on earphone charging box surface
It is in contact with the charging contact on wireless headset surface, to carry out charging operations.
It as shown in Figure 4 and Figure 5, may include the first contact 22, as an exemplary charging box 20 of charging unit
Two contacts 23 and third contact 24.Wherein, the surface schematic diagram of earphone and charging box is shown in Fig. 4, Fig. 5, which is shown, to be worked as
Cross-sectional view when earphone is put into earphone charging box.
First contact 22 can be used for being contacted with the first charging contact 101 of the earphone 100 as electronic equipment,
And the second contact 23 can be contacted with the second charging contact 102 of earphone 100, in this way, when the first contact 22 and the second contact
After 23 contact with the first charging contact 101 and the formation of the second charging contact 102, it may be implemented through charging box 20 come for earphone
The function of 100 chargings.Third contact 24, which can be used for transmitting contact 103 with the data of earphone 100, to be contacted, to pass through
The contact of third contact 24 and data transmission contact 103, the data between Lai Shixian earphone 100 and charging box 20 send and receive
Equal data-transformation facilities.
First contact 22 and the second contact 23 pass through the magnetic between the first charging contact 101 and the second charging contact 102
Property attraction contacted respectively to realize, and third contact 24 and data transmission contact 103 can then carry out Elastic Contact.First touching
Point 22 and the first charging contact 101 carry out rigid contact by magnetic attraction and the second contact 23 and the second charging contact
In the case that 102 carry out rigid contact by magnetic attraction, inhaled by the way that the first contact 22 and the first charging contact 101 are magnetic
102 magnetic attracting force of gravitation and the second contact 23 and the second charging contact so that third contact 24 and data transmit contact 103 into
Row Elastic Contact.
Contact between first contact 22 and the first charging contact 101 can be rigid contact, the second contact 23 and second
Contact between charging contact 102 may be rigid contact.First contact 22 and the first charging contact 101, the second contact 23
It can be made of magnetic material with the second charging contact 102, mutual magnetic attraction may be implemented in this way.For example, first
Contact 22 and the second contact 23 can be made of magnet, and the first charging contact 101 and the second charging contact 102 then can be by
Metal iron plate etc. is made.Third contact 24 and data transmission contact 103 are Elastic Contact, in one embodiment of the present disclosure,
Data transmit the form that contact 103 is metal bosses, and third contact 24 can be the form of elastic component, for example, third contact
24 can be to play aciculiform formula, and for example including thimble, spring and sleeve, thimble is located at upside and can push in sleeve
Spring compressed.When third contact 24 is squeezed by data transmission contact 103, third contact 24 can shrink and can be with
Keep the close contact with data transmission contact 103.
The earphone ac in the receiving earphone of charging box can be set in first contact 22, the second contact 23 and third contact 24
The bottom of slot 25, and be in when being put into earphone, at position corresponding with the contact of earphone.
When earphone is put into charging box, pass through the magnetic of two charging contacts of two charging contacts and charging box of earphone
Property attract earphone be introduced into earphone ac slot, introducing is realized by the magnetic attraction between contact in this way, save earphone and
The space of saving can be used to increase battery capacity by the inner space of charging box in this way, after promoting earphone and charging box charging
Use the time, also can reduce the size of charging box.
Although in addition, being illustrated by taking earphone and earphone charging box as an example above, those skilled in the art
It should be appreciated that the charging unit can also be applied to the portable charged power supply of the forms such as other electronic equipments, such as charger baby
Deng, also can be set can be the charging of other intelligent terminals intelligent terminal it is medium, and earphone described in the disclosure can
Think true wireless stereo (TWS) earphone.
In the description of this specification, reference term " one embodiment/mode ", " some embodiment/modes ", " show
The description of example ", " specific example " or " some examples " etc. means to combine the specific spy of the embodiment/mode or example description
Sign, structure, material or feature are contained at least one embodiment/mode or example of the application.In the present specification, right
The schematic representation of above-mentioned term is necessarily directed to identical embodiment/mode or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more way of example or example.This
Outside, without conflicting with each other, those skilled in the art can be by different embodiment/modes described in this specification
Or example and different embodiment/modes or exemplary feature are combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It will be understood by those of skill in the art that above-described embodiment/mode is used for the purpose of clearly demonstrating the disclosure, and
It is not to be defined to the scope of the present disclosure.For those skilled in the art, on the basis of disclosed above also
Other variations or modification can be made, and these variations or modification are still in the scope of the present disclosure.
Description of symbols
10 charging units
11 power-supply batteries
12 voltage cells
13 control units
14 acquisition units
20 charging boxes
21 rechargeable batteries
22 first contacts
23 second contacts
24 third contacts
25 earphone ac slots
101 first charging contacts
102 second charging contacts
103 data transmit contact
100 earphones
Vbat cell voltage
Vin DC voltage
Vout DC charging voltage.
Claims (10)
1. a kind of charging unit for linear-charging, which is characterized in that the charging that the charging unit is used for as electronic equipment
Battery charging, comprising:
Power-supply battery, for providing DC voltage；
The DC voltage that the power-supply battery provides is converted to DC charging voltage and is filled with will pass through the direct current by voltage cell
Piezoelectric voltage is rechargeable battery charging；
Control unit, for generating the control signal of the voltage cell, to control the voltage cell, thus after controlling conversion
DC charging voltage voltage value；And
Acquisition unit, for acquiring the cell voltage of the rechargeable battery,
Wherein, the voltage value of the cell voltage of the described control unit based on acquisition, to control the DC charging voltage
Voltage value.
2. device as described in claim 1, which is characterized in that described control unit according to the voltage value of the cell voltage,
So that the voltage difference between the voltage value of the DC charging voltage and the voltage value of the cell voltage is equal to predetermined voltage
Difference.
3. device as claimed in claim 1 or 2, which is characterized in that when the DC voltage or the DC charging voltage
Voltage value be greater than the cell voltage voltage value when or be greater than the sum of the battery voltage value and the predetermined voltage difference
When, described control unit controls the voltage cell, to provide the DC voltage as the DC charging voltage
To the rechargeable battery.
4. device as claimed any one in claims 1 to 3, which is characterized in that when the DC voltage or the direct current fill
When piezoelectric voltage is less than or equal to the voltage value of the cell voltage, described control unit controls the voltage cell, so as to institute
It states DC voltage and carries out boost conversion with the DC charging voltage after being converted, the voltage of the DC charging voltage after the conversion
Value is equal to the sum of the voltage value of the cell voltage and described predetermined voltage difference.
5. device as claimed in claim 4, which is characterized in that when to the DC voltage carry out boost conversion to be converted
When rear DC charging voltage, described control unit passes through I2It is straight after conversion of the C bus to control the voltage cell output
Current charge voltage.
6. the device as described in any one of claims 1 to 5, which is characterized in that the electronic equipment is wireless headset, and
The charging unit is for the earphone charging box for the charging earphone charging, and the wireless headset passes through charging contact and institute
State the charging contact electrical connection of earphone charging box.
7. a kind of charging method for linear-charging characterized by comprising
It provides for DC voltage as charge power supply, is filled to generate DC charging voltage for the battery that is electrically charged
Electricity；
Acquire the cell voltage for being electrically charged battery and DC voltage or DC charging voltage；And
It is adjusted based on the voltage value of the voltage value of the cell voltage of acquisition and DC voltage or DC charging voltage described
The voltage value of DC charging voltage.
8. the method for claim 7, which is characterized in that the DC voltage or DC charging voltage based on acquisition
When voltage value of the voltage value of voltage value and the cell voltage to adjust the DC charging voltage, so that the direct current
Voltage difference between the voltage value of charging voltage and the voltage value of the cell voltage is equal to predetermined voltage difference.
9. method as claimed in claim 7 or 8, which is characterized in that
It is when the voltage value of the DC voltage or the DC charging voltage is greater than the voltage value of the cell voltage or big
When the sum of the battery voltage value and the predetermined voltage difference, come the DC voltage as the DC charging voltage
It is supplied to the rechargeable battery；And
When the DC voltage or the DC charging voltage are less than or equal to the voltage value of the cell voltage, to described straight
Galvanic electricity pressure carries out boost conversion with the DC charging voltage after being converted, the voltage value etc. of the DC charging voltage after the conversion
In the sum of the voltage value of the cell voltage and the predetermined voltage difference.
10. a kind of electronic equipment, which is characterized in that including as described in any one of claims 1 to 5 for linear-charging
Charging unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391233.1A CN110098650A (en) | 2019-05-11 | 2019-05-11 | For the charging unit of linear-charging, charging method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391233.1A CN110098650A (en) | 2019-05-11 | 2019-05-11 | For the charging unit of linear-charging, charging method and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110098650A true CN110098650A (en) | 2019-08-06 |
Family
ID=67447757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910391233.1A Pending CN110098650A (en) | 2019-05-11 | 2019-05-11 | For the charging unit of linear-charging, charging method and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110098650A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611858A (en) * | 2019-09-29 | 2019-12-24 | 歌尔股份有限公司 | Earphone in-out box control method, earphone box and readable storage medium |
| CN110850478A (en) * | 2019-11-26 | 2020-02-28 | 出门问问信息科技有限公司 | Touch detection method, equipment and device and computer readable storage medium |
| WO2021031297A1 (en) * | 2019-08-16 | 2021-02-25 | 歌尔股份有限公司 | Charging case |
| CN113483909A (en) * | 2021-06-30 | 2021-10-08 | 深圳市贝兔兔科技有限公司 | Temperature measuring probe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016172189A1 (en) * | 2015-04-23 | 2016-10-27 | Apple Inc. | Smart power bank and device for efficient energy transfer |
| CN106527561A (en) * | 2017-01-04 | 2017-03-22 | 西南应用磁学研究所 | Efficient magnetic tuning device drive circuit with voltage tracking function |
| CN107196357A (en) * | 2017-05-09 | 2017-09-22 | 中兴通讯股份有限公司 | A kind of charging equipment, terminal device and charging method, charging monitoring method |
| CN109088459A (en) * | 2018-09-29 | 2018-12-25 | 出门问问信息科技有限公司 | Charging circuit and charging equipment |
| CN209748232U (en) * | 2019-05-11 | 2019-12-06 | 出门问问信息科技有限公司 | Earphone charging box and wireless earphone |
-
2019
- 2019-05-11 CN CN201910391233.1A patent/CN110098650A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016172189A1 (en) * | 2015-04-23 | 2016-10-27 | Apple Inc. | Smart power bank and device for efficient energy transfer |
| CN106527561A (en) * | 2017-01-04 | 2017-03-22 | 西南应用磁学研究所 | Efficient magnetic tuning device drive circuit with voltage tracking function |
| CN107196357A (en) * | 2017-05-09 | 2017-09-22 | 中兴通讯股份有限公司 | A kind of charging equipment, terminal device and charging method, charging monitoring method |
| CN109088459A (en) * | 2018-09-29 | 2018-12-25 | 出门问问信息科技有限公司 | Charging circuit and charging equipment |
| CN209748232U (en) * | 2019-05-11 | 2019-12-06 | 出门问问信息科技有限公司 | Earphone charging box and wireless earphone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031297A1 (en) * | 2019-08-16 | 2021-02-25 | 歌尔股份有限公司 | Charging case |
| CN110611858A (en) * | 2019-09-29 | 2019-12-24 | 歌尔股份有限公司 | Earphone in-out box control method, earphone box and readable storage medium |
| CN110611858B (en) * | 2019-09-29 | 2021-08-20 | 歌尔股份有限公司 | Earphone in-out box control method, earphone box and readable storage medium |
| CN110850478A (en) * | 2019-11-26 | 2020-02-28 | 出门问问信息科技有限公司 | Touch detection method, equipment and device and computer readable storage medium |
| CN113483909A (en) * | 2021-06-30 | 2021-10-08 | 深圳市贝兔兔科技有限公司 | Temperature measuring probe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110098650A (en) | For the charging unit of linear-charging, charging method and electronic equipment | |
| US20090075704A1 (en) | Mobile communication device with charging module | |
| CN102810179A (en) | Intelligent card capable of regenerating power supply | |
| CN104011960A (en) | Electronic apparatus, and power feed system | |
| CN108092368A (en) | A kind of method and apparatus of microprocessor processes automobile multifunctional charger data | |
| JP4180001B2 (en) | Battery charger capable of bidirectional input / output from battery base | |
| CN201918762U (en) | Battery charging and discharging system with energy in bidirectional flow | |
| CN201584823U (en) | Wireless power supply device | |
| CN205986274U (en) | Multichannel battery charging system | |
| CN209748232U (en) | Earphone charging box and wireless earphone | |
| CN105978069B (en) | The charging method and device and mobile terminal of mobile terminal | |
| CN109256825A (en) | charging method and electronic device | |
| CN215871789U (en) | Earphone compatible circuit, earphone charging device and earphone equipment | |
| CN211880144U (en) | Charger and charging system | |
| CN103872740A (en) | Mobile power source with battery core groove extensible | |
| CN204230951U (en) | Back of the body lid structure | |
| JP5816814B2 (en) | Charger | |
| CN202749889U (en) | Hand/alternating-current/direct-current integrated battery charger | |
| CN101900994A (en) | Control circuit and electronic device comprising same | |
| CN213461220U (en) | Charger capable of automatically supplementing loss of lead-acid storage battery by adopting solar energy | |
| CN218124369U (en) | Power supply switching circuit and power consumption device | |
| CN208127970U (en) | A kind of electronic smoke supply device and electronic cigarette | |
| CN212811360U (en) | Intelligent charger capable of automatically identifying voltage of lead-acid battery | |
| CN211859708U (en) | Adapter and gas warmer applying same | |
| CN208046279U (en) | A kind of expansible charge controller and power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190806 |
|
| RJ01 | Rejection of invention patent application after publication |