CN108899964A - battery charging control system, method and device - Google Patents
battery charging control system, method and device Download PDFInfo
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- CN108899964A CN108899964A CN201810972750.3A CN201810972750A CN108899964A CN 108899964 A CN108899964 A CN 108899964A CN 201810972750 A CN201810972750 A CN 201810972750A CN 108899964 A CN108899964 A CN 108899964A
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- battery
- voltage value
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- battery pack
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses a kind of battery charging control system, method and device, wherein system includes：Voltage detecting assembly is connect with battery units in parallel each in battery pack, for detecting the voltage value of each battery unit during the charging process in battery pack；Feed-through assembly connect or is connected in parallel with each battery cells in series；Control assembly, each battery unit for being detected according to voltage detecting assembly voltage value during the charging process, determine the Full Charge Capacity voltage value of each battery unit, and when the voltage value for determining i-th of battery unit is its corresponding Full Charge Capacity voltage value, by adjusting the on state for the conduction device being connect with i-th of battery unit, i-th of battery unit is cut off from charge circuit.The application realizes under the premise of without additional increase discharge circuit, carries out equilibrium treatment to the charging process of battery pack, so that battery charging circuit structure is simple, small in size, at low cost, provides condition for the miniaturization of electronic equipment volume.
Description
Technical field
This application involves battery boosting technology field more particularly to a kind of battery charging control systems, method and device.
Background technique
In general, battery pack is after a certain period of use time, the parameters such as voltage, impedance of each of battery pack battery unit
It will appear difference.With the increase of cycle charging number, these differences, which can gradually amplify, leads to the performance of battery pack worse and worse.
In the related technology, it generallys use hardware circuit and equilibrium treatment is carried out to battery pack charging process, for example, in each battery unit two
Parallel discharge resistance and switching device are held, to discharge to battery unit using discharge resistance, avoids charging because of battery unit
It is uneven and the problem of cause battery pack that can not charge normal.
However aforesaid way, the volume of charging circuit is not only increased, the miniaturization of electronic equipment volume is unfavorable for, and
Charge loss is also added, charge efficiency is reduced.
Summary of the invention
The application provides a kind of battery charging control system, method and device, passes through increasing in the related technology for solving
The problem of adding discharge circuit, processing be balanced to battery pack charging process, the volume of charging circuit and loss is caused to increase.
The application one side embodiment provides a kind of battery charging control system, which includes：Voltage detecting assembly,
Feed-through assembly and control assembly；The voltage detecting assembly is connect, for detecting electricity with battery units in parallel each in battery pack
The voltage value of each battery unit of Chi Zuzhong during the charging process；The feed-through assembly, connect with each battery cells in series or
It is connected in parallel；The control assembly, each battery unit for being detected according to the voltage detecting assembly is during the charging process
Voltage value determines the Full Charge Capacity voltage value of each battery unit, and is that its is corresponding in the voltage value for determining i-th of battery unit
By adjusting the on state for the conduction device being connect with i-th of battery unit when Full Charge Capacity voltage value, by described i-th
A battery unit is cut off from charge circuit.
The application another aspect embodiment provides a kind of battery pack charge control method, and this method includes：Determine battery pack
In the current Full Charge Capacity voltage value of each battery unit；In battery pack charging process, each battery unit in battery pack is obtained
Voltage value；When the voltage value for determining i-th of battery unit is its corresponding Full Charge Capacity voltage value, by i-th of battery
Unit is cut off from charge circuit, wherein includes N number of battery unit in the battery pack, N is the positive integer greater than 1, and i is small
In or equal to N positive integer.
The application another aspect embodiment provides a kind of battery pack battery charge controller, which includes：Determining module is used
In the Full Charge Capacity voltage value for determining that each battery unit is current in battery pack；Module is obtained, is used in battery pack charging process,
Obtain the voltage value of each battery unit in battery pack；Control module, for being it in the voltage value for determining i-th of battery unit
When corresponding Full Charge Capacity voltage value, i-th of battery unit is cut off from charge circuit, wherein wrapped in the battery pack
N number of battery unit is included, N is the positive integer greater than 1, and i is the positive integer less than or equal to N.
The another aspect embodiment of the application provides a kind of electronic equipment, which includes：Memory, processor, electricity
Press detection components, feed-through assembly and battery pack；The battery pack, for providing electric energy for each component in electronic equipment, so that
Electronic equipment operates normally；The voltage detecting assembly is connect, for detecting battery with battery units in parallel each in battery pack
The voltage value of each battery unit during the charging process in group；The feed-through assembly, connect or simultaneously with each battery cells in series
Connection connection；The memory, for storing executable program code；The processor, for according to the voltage detecting assembly
Each battery unit voltage value during the charging process of detection, determines the Full Charge Capacity voltage value of each battery unit, and read institute
The executable program code that stores in memory is stated to run program corresponding with the executable program code, to pass through control
The on state of i-th of conduction device in the feed-through assembly, to realize the charging control of battery pack described in second aspect embodiment
Method processed.
The computer readable storage medium of the application another further aspect embodiment, is stored thereon with computer program, the calculating
When machine program is executed by processor, to realize battery pack charge control method described in second aspect embodiment.
The computer program of the application another further aspect embodiment is realized when the computer program is executed by processor
Battery pack charge control method described in second aspect embodiment.
Technical solution disclosed in the present application, has the advantages that：
By the way that voltage detecting assembly to be connect with battery units in parallel each in battery pack, to detect each electricity in battery pack
The voltage value of pool unit during the charging process, and the voltage value that will test each battery unit is sent to control assembly, so that
Voltage value of the control assembly according to each battery unit during the charging process determines the Full Charge Capacity voltage value of each battery unit,
And when determine i-th of battery unit voltage value be its corresponding Full Charge Capacity voltage value when, by adjusting with i-th of battery unit
The on state of the conduction device of connection cuts off i-th of battery unit from charge circuit.Hereby it is achieved that in the volume of being not necessarily to
Under the premise of outer increase discharge circuit, equilibrium treatment can be carried out to the charging process of battery pack, not only increase battery pack and fill
The safety and reliability of electric process, and battery charging circuit structure is simple, small in size, at low cost, is electronic equipment body
Product miniaturization provides condition, and can also reduce charge loss, improves charge efficiency.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein
Fig. 1 is the structural schematic diagram according to the battery charging control system shown in one exemplary embodiment of the application；
Fig. 2 is the schematic illustration according to the battery charging control system of the embodiment of the present application；
Fig. 3 is according to filling shown in one exemplary embodiment of the application to the battery pack for including two battery units
The schematic diagram of electric process control；
Fig. 4 is the flow diagram according to the battery pack charge control method shown in one exemplary embodiment of the application；
Fig. 5 is the structural schematic diagram according to the battery pack battery charge controller shown in one exemplary embodiment of the application；
Fig. 6 is the structural schematic diagram according to the electronic equipment shown in one exemplary embodiment of the application；
Fig. 7 is the structural schematic diagram according to the electronic equipment shown in one exemplary embodiment of the application.
Appended drawing reference：
Battery charging control system -100, voltage detecting assembly -10, feed-through assembly -20, control assembly 30, battery pack -
40, the first conduction device group -21, the second conduction device group -22, battery unit 41.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Each embodiment of the application when being balanced processing to battery pack charging process, increases additional in the related technology
Discharge circuit, not only increase the volume of charging circuit, be unfavorable for the miniaturization of electronic equipment volume, and also add and fill
Electrical loss, proposes a kind of battery charging control system at the problem of reducing charge efficiency.
The embodiment of the present application examines the electricity of each battery unit during the charging process in component detection battery pack by voltage
Pressure value, and above-mentioned voltage value is sent to control assembly so that control assembly according to each battery unit during the charging process
Voltage value determines the Full Charge Capacity voltage value of each battery unit, and when the voltage value for determining any battery unit is its own full electricity
When measuring voltage value, by adjusting the on state for the conduction device being connect with the battery unit, by the battery unit from charging back
It is cut off in road.Hereby it is achieved that can be carried out to the charging process of battery pack under the premise of without additional increase discharge circuit
Equilibrium treatment, not only increases the safety and reliability of battery pack charging process, and battery charging circuit structure it is simple,
It is small in size, at low cost, condition is provided for the miniaturization of electronic equipment volume, and charge loss can also be reduced, improves charging effect
Rate.
Below with reference to the accompanying drawings the battery charging control system of the embodiment of the present application is described, method and device carries out specifically
It is bright.
Combine Fig. 1 that battery charging control system in the application is specifically described first.
Fig. 1 is the structural schematic diagram according to the battery charging control system shown in one exemplary embodiment of the application.
As shown in Figure 1, the battery charging control system 100 includes：Voltage detecting assembly 10, feed-through assembly 20 and control assembly
30。
Wherein, voltage detecting assembly 10 is connect with each battery units in parallel in battery pack 40, for detecting in battery pack
The voltage value of each battery unit during the charging process；Feed-through assembly 20 connect or is connected in parallel with each battery cells in series；
Each battery unit that control assembly 30 is used to detect according to the voltage detecting assembly 10 voltage value during the charging process, determination
The Full Charge Capacity voltage value of each battery unit, and be its corresponding Full Charge Capacity voltage in the voltage value for determining i-th of battery unit
When value, by adjusting the on state for the conduction device being connect with i-th of battery unit, by i-th of battery list
Member is cut off from charge circuit.
In the present embodiment, control assembly 30 can be field programmable gate array (Field-Programmable
Gate Array, abbreviation FPGA), digital signal processor (Digital Signal Processing, abbreviation DSP) etc. it is any
The electronic device of logic control function can be achieved.
In actual use, since the battery pack of various electronic equipments is after using certain time, in battery pack 40
Each battery unit just will appear different degrees of aging phenomenon, so that each battery unit may correspond to difference in Full Charge Capacity
Voltage.And when carrying out charging operations to the battery pack of the battery unit comprising different voltages 40, it is possible to which it is lower that there are voltages
Battery unit battery unit more higher than voltage faster reach Full Power State.If continuing to charge to battery pack at this time,
It is then possible to cause safety accident, there are security risks.
In this regard, the application by control assembly 30 be arranged charge balancing algorithm so that control assembly 30 is in battery pack
In 40 charging processes, corresponding electricity in each battery unit charging process in the battery pack 40 that is provided according to voltage detecting assembly 10
Pressure value carries out intelligent control to the charging process of battery pack 40, so that each battery unit can reach full electricity in battery pack 40
Amount state, so that the safety of 40 charging process of battery pack not only can be improved, moreover it is possible to extend the service life of battery pack 40.
It should be noted that the application is right in order to carry out the control of safe and reasonable to 40 charging process of battery pack
Before 40 charging process of battery pack is controlled, it is also necessary to according to the voltage value of each battery unit during the charging process, determine
Voltage value of each battery unit in Full Charge Capacity in battery pack 40, and the determining corresponding Full Charge Capacity of each battery unit is electric
Pressure value is saved to control assembly 30.Wherein, the present embodiment electricity of each battery unit in Full Charge Capacity in determining battery pack 40
When pressure value, it can be determined according to voltage change of each battery unit during the charging process, in the unit time, or may be used also
To be determined according to other way, it is not especially limited herein.
In turn, it is being filled when control assembly 30 receives each battery unit in the battery pack 40 that voltage detecting assembly 10 is sent
In electric process after corresponding voltage value, which electricity can be accurately determined according to the corresponding Full Charge Capacity voltage value of each battery unit
Pool unit reaches Full Power State, which battery unit reaches Full Power State not yet.
The embodiment of the present application is understood in order to clearer, and battery pack charging process is specifically described below.
Optionally, since in actual use, 40 charging process of battery pack may include constant-current charge and constant-voltage charge.When
When battery pack 40 is charged, the initial stage is usually constant-current charge, and control assembly 30 can control voltage detecting assembly at this time
The voltage value of each battery unit during the charging process detects in 10 pairs of battery packs 40, and obtains the inspection of voltage detecting assembly 10
The corresponding voltage value of each battery unit surveyed.Then, the voltage value that will acquire respectively with the Full Charge Capacity of corresponding battery unit
Voltage value is compared, be determined to up to Full Power State battery unit and do not reach the battery unit of Full Power State.
Then, control assembly 30 utilizes preset charge balancing algorithm, determines the control strategy to feed-through assembly 20, and
It is disconnected according to the conduction device that control strategy control is connect with the battery unit for reaching Full Power State, to be up to full power state
Battery unit cut off from charge circuit so that the battery unit for not reaching Full Power State can continue normally to fill
It is electrically operated, until reaching Full Power State.
Further, it when the voltage value that the continuation of control assembly 30 is fed back according to voltage detecting assembly 10, had determined previously not
When the battery unit of arrival Full Power State reaches corresponding Full Power State, conductivity control signal is sent to feed-through assembly 20,
Charge circuit is accessed with all battery units that will include in battery pack 40, so that battery pack 40 enters the charging of second stage
Journey, i.e. constant-voltage charge process, to ensure that the safety and reliability of 40 charging process of battery pack.
Wherein, if each battery unit that is fed back according to voltage detecting assembly 10 of control assembly 30 charging process voltage
Value is determined that the voltage value under the voltage value of each battery unit in battery pack 40 is equal and Full Power State is also equal, is then controlled
Component 30 processed does not control the charging process of battery pack 40, is charged according to process is charged normal.
The battery charging control system that the embodiment of the present application proposes, by will in voltage detecting assembly and battery pack it is each
Battery units in parallel connection, to detect the voltage value of each battery unit during the charging process in battery pack, and will test every
The voltage value of a battery unit is sent to control assembly, so that electricity of the control assembly according to each battery unit during the charging process
Pressure value determines the Full Charge Capacity voltage value of each battery unit, and when the voltage value for determining i-th of battery unit is that its is corresponding full
When electricity voltage value, by adjusting the on state for the conduction device being connect with i-th of battery unit, by i-th of battery unit
It is cut off from charge circuit.Hereby it is achieved that under the premise of without additional increase discharge circuit, it can be to the charging of battery pack
Process carries out equilibrium treatment, not only increases the safety and reliability of battery pack charging process, and battery charging circuit
Structure is simple, small in size, at low cost, provides condition for the miniaturization of electronic equipment volume, and can also reduce charge loss, mentions
High recharge efficiency.
Fig. 2 is the schematic illustration according to the battery charging control system of the embodiment of the present application.
As shown in Fig. 2, the application battery charging control system 100 includes：Voltage detecting assembly 10, feed-through assembly 20 and
Control assembly 30.Wherein, feed-through assembly 20 includes the first conduction device group 21 being connected in series with battery unit 41, and and battery
The second conduction device group 22 that unit 41 is connected in parallel.
Wherein, the quantity N of the conduction device separately included in the first conduction device group 21 and the second conduction device group 22 with
The quantity N for the battery unit 41 for including in battery pack 40 is identical；One end of i-th of conduction device in first conduction device group 21
One end and the second conducting with the i-th ' -1 conduction device in one end of (i-1)-th battery unit 41, the second conduction device group 22
The one of one end connection of the i-th ' a conduction device in device group 22, the other end of i-th conduction device and i-th of battery unit 41
End connection；One end of the i-th '+1 conduction device, i-th in the other end of the i-th ' a conduction device, with the second conduction device group
One end connection of i+1 conduction device in the other end of battery unit 41 and the first conduction device group, wherein N is greater than 1
Positive integer, i are the positive integer less than or equal to N.
Conduction device can be any one in following device in the present embodiment：Triode, diode, relay etc.
Deng being not especially limited to it herein.For clearer explanation, in the present embodiment by conduction device be triode for into
Row illustrates.
Optionally, when battery pack 40 is charged, control assembly 30 detects battery by control voltage detecting assembly 10
The voltage value of each 41 charging process of battery unit in group 40, and receive each battery unit 41 of the transmission of voltage detecting assembly 10
Corresponding voltage value, by the corresponding voltage value of above-mentioned each battery unit 41 respectively with it is electric when corresponding Full Power State
Pressure value is compared, and determines not reaching the battery unit 41 of Full Power State currently and reaches the battery unit of Full Power State
41.Then according to definitive result, the conduction device connecting with the battery unit 41 for reaching Full Power State is controlled, it will
The battery unit 41 for reaching full power state is cut off from charge circuit, so as to continue the battery to not up to Full Power State
Unit 41 carries out charging operations until reaching Full Power State.In turn, when battery units 41 all in battery pack 40 reach completely
When state of charge, control assembly 30 sends conductivity control signal, all electricity that will include in battery pack 40 to feed-through assembly 20
Pool unit 41 accesses charge circuit in the form of concatenated, to start subsequent constant-voltage charge process.
It wherein, further include power supply VBAT+ and ground terminal GND in charge circuit in the present embodiment.Wherein power supply
VBAT+ is used for each component into electronic equipment and provides electric energy, so that each component works normally.
It should be noted that due in the application control assembly 30 can be the electronics of any achievable logic control function
Device, such as can be FPGA, DSP etc., then it can also include I2C in the application battery charging control system schematic diagram
Bus (Inter-Integrated Circuit), to realize control assembly 30 and electronic equipment master controller by I2C bus
Between data transmission.It in general, include serial data line (the series data of a communication interface in I2C bus
Line, abbreviation SDA) and a serial time clock line (series clock line, abbreviation SCL), it is specific as shown in Figure 2.Namely
It says, when carrying out data transmission between control assembly and electronic equipment master controller, data transmission can be realized by SDA and SCL,
Simplify circuit structure.
Below by taking conduction device is triode as an example, battery pack charging control process is illustrated in the application.
For example, as shown in figure 3, if the quantity for the battery unit 41 that battery pack 40 includes in the present embodiment is 2, respectively
For battery unit A and battery unit B, then separately included in corresponding first conduction device group 21 and the second conduction device group 22
The quantity of conduction device is also 2, respectively conduction device Y1 and conduction device Y2, conduction device Y3 and conduction device Y4.Wherein,
When the battery pack 40 comprising two battery units 41 is in charging, control assembly 30 can control voltage detecting assembly 10 and examine respectively
Voltage value x1, x2 in battery unit A and battery unit B charging process are surveyed, and voltage value x1, the x2 that will test are sent to control
Component 30 processed, so that control assembly 30 is according to voltage value x1, x2 Full Charge Capacity shape corresponding with battery unit A, battery unit B respectively
Voltage value when state is compared that (assuming that in the example, voltage value of the battery unit A in Full Power State is 4.4 volts
(V), voltage value of the battery unit B in Full Power State is 4.0V).When determining that battery unit B current voltage value reaches full electricity
Voltage value 4.0V when amount state, and when voltage value 4.4V when battery unit A current voltage value is not up to Full Power State, then
Control assembly 30 sends cut-off signal to the conduction device Y2 and Y3 connecting with battery unit B, to control conduction device Y2 and Y3
It disconnects, battery unit B is cut off from charge circuit, at this time since conduction device Y1 and Y4 are still on state, then
Charge circuit continues to carry out charging operations to battery unit A.It is carried out in charging process to battery unit A, voltage detecting assembly
10 voltage values that continues to test the voltage value in the charging process of battery unit A, and will test are sent to control assembly 30, with
Voltage value 4.4V when whether the voltage value reaches corresponding Full Power State determined.It is disconnected that conduction device Y3 and Y4 are controlled if reaching
It opens, battery unit A and battery supply B are together in series and carry out constant-voltage charge by conduction device Y1 and Y2 conducting.
Further, according to one embodiment of the application, the control assembly 30 is also used to according to each in feed-through assembly
The on state of conduction device adjusts the charging voltage value of charge circuit.That is, the application passes through according to each conduction device
On state, the charging voltage value of charge circuit is adjusted, so that each battery unit can be with optimal charging electricity in battery pack
Pressure carries out charging operations and extends the service life of battery unit so as to shorten the charging time.
Under the premise of without additional increase hardware equalizer circuit, i.e., the application battery charging control system realizes
Equilibrium treatment can be carried out to the charging process of battery pack, not only increase the safety and reliability of battery pack charging process, and
And battery charging circuit structure is simple, small in size, at low cost, provides condition for the miniaturization of electronic equipment volume, and also
Charge loss can be reduced, charge efficiency is improved.
The battery charging control system provided based on the above embodiment, the embodiment of the present application also proposed a kind of battery pack
Charge control method.
Specifically, as shown in figure 4, the application battery pack charge control method may comprise steps of：
Step 401, the Full Charge Capacity voltage value that each battery unit is current in battery pack is determined.
Wherein, battery pack charge control method provided by the embodiments of the present application, can be by electricity provided by the embodiments of the present application
Sub- equipment executes.Wherein, battery pack battery charge controller is provided in electronic equipment, with realize to the charging process of battery pack into
Row control.The present embodiment electronic equipment can be any hardware device having data processing function, such as smart phone, individual
Digital assistants, wearable device etc..
It optionally, can be in the determination battery pack of the present embodiment when the current Full Charge Capacity voltage value of each battery unit
According to voltage change of each battery unit during the charging process, in the unit time, to determine that each battery unit is current
Full Charge Capacity voltage value, or can also determine otherwise, it is not especially limited herein.
Step 402, in battery pack charging process, the voltage value of each battery unit in battery pack is obtained.
Optionally, the present embodiment can be by the voltage detecting assembly that connect with each battery units in parallel, to obtain electricity
The voltage value of each battery unit of Chi Zuzhong.
Wherein, voltage detecting assembly can be any device or component with voltage detecting function, not make to it herein
It is specific to limit.
Step 403, when the voltage value for determining i-th of battery unit is its corresponding Full Charge Capacity voltage value, by i-th of electricity
Pool unit is cut off from charge circuit, wherein include N number of battery unit in battery pack, N is positive integer greater than 1, i be less than
Or the positive integer equal to N.
Since in actual use, battery pack charging process may include constant-current charge and constant-voltage charge.So originally
Application is when the voltage value for determining i-th of battery unit is its corresponding Full Charge Capacity voltage value, by i-th of battery unit from charging
It is cut off in circuit, may include：During constant-current charge, however, it is determined that the voltage value of any battery unit is its corresponding full electricity
When measuring voltage value, then i-th of battery unit is cut off from charge circuit, so that other without reaching corresponding Full Charge Capacity voltage value
Battery unit continue charging operations.
Further, when the voltage value for determining all battery units in battery pack is its corresponding Full Charge Capacity voltage value
When, all battery units are accessed charge circuit by battery pack battery charge controller, to start to battery pack constant-voltage charge process.
As a kind of optional implementation of the application, i-th of battery unit is cut off from charge circuit, including：
Control and i-th of feed-through assembly disconnection of i-th of battery cells in series, the i-th ' a element turns, wherein the i-th ' a feed-through assembly
It is connected in parallel with i-th of battery unit and i-th of feed-through assembly.
Further, in another embodiment of the application, the application is in the battery pack charging process, according to every
The connection status of a battery unit and the charge circuit adjusts the charging voltage value of the charge circuit.That is, this Shen
Please by the on state according to each conduction device, the charging voltage value of charge circuit is adjusted, so that each battery list in battery pack
Member can carry out charging operations with optimal charging voltage, and so as to shorten the charging time, extend battery unit uses the longevity
Life.
Battery pack charge control method provided by the present application, by determining the full electricity of each battery unit currently in battery pack
Voltage value is measured, and in battery pack charging process, obtains the voltage value of each battery unit in battery pack, when determining any battery
When the voltage value of unit is its corresponding Full Charge Capacity voltage value, which is cut off from charge circuit.Hereby it is achieved that
Under the premise of without additional increase hardware equalizer circuit, equilibrium treatment can be carried out to the charging process of battery pack, not only mentioned
The high safety and reliability of battery pack charging process, and battery charging circuit structure is simple, small in size, at low cost,
Condition is provided for the miniaturization of electronic equipment volume, and charge loss can also be reduced, improves charge efficiency.
In order to realize above-described embodiment, the application also proposed a kind of battery pack battery charge controller.
Fig. 5 is the structural schematic diagram of the battery pack battery charge controller shown in one exemplary embodiment of the application.
As shown in figure 5, the battery pack battery charge controller of the application includes：Determining module 110, obtain module 120 and
Control module 130.
Wherein it is determined that module 110, for determining each battery unit is current in battery pack Full Charge Capacity voltage value；
Module 120 is obtained, for obtaining the voltage value of each battery unit in battery pack in battery pack charging process；
Control module 130, for the voltage value for determining i-th of battery unit be its corresponding Full Charge Capacity voltage value when,
I-th of battery unit is cut off from charge circuit, wherein include N number of battery unit in the battery pack, N is greater than 1
Positive integer, i is positive integer less than or equal to N.
As a kind of optional implementation of the application, the determining module 110 is specifically used for：
According to voltage change of each battery unit during the charging process, in the unit time, each battery unit is determined
Current Full Charge Capacity voltage value.
As a kind of optional implementation of the application, the battery pack charging process includes that constant-current charge and constant pressure are filled
Electricity；
The control module 130 is specifically used for：
During constant-current charge, however, it is determined that when the voltage value of any battery unit is its corresponding Full Charge Capacity voltage value,
Then i-th of battery unit is cut off from charge circuit；
The application battery pack battery charge controller further includes：AM access module.
Wherein, AM access module is used for when the voltage value of all battery units is its corresponding Full Charge Capacity voltage value, will
All battery units access charge circuit, to start to the battery pack constant-voltage charge process.
As a kind of optional implementation of the application, the control module 130 is specifically used for：
Control and i-th of feed-through assembly disconnection of i-th of battery cells in series, the i-th ' a element turns, wherein the
A feed-through assembly of i ' is connected in parallel with i-th of battery unit and i-th of feed-through assembly.
As a kind of optional implementation of the application, the application battery pack battery charge controller further includes：Adjust mould
Block.Wherein adjustment module is used in the battery pack charging process, according to the company of each battery unit and the charge circuit
State is connect, the charging voltage value of the charge circuit is adjusted.
It should be noted that the aforementioned explanation to battery pack charge control method embodiment is also applied for the embodiment
Battery pack battery charge controller, realization principle is similar, and details are not described herein again.
Battery pack battery charge controller provided in this embodiment is expired by the way that each battery unit is current in determining battery pack
Electricity voltage value, and in battery pack charging process obtains the voltage value of each battery unit in battery pack, when determining any electricity
When the voltage value of pool unit is its corresponding Full Charge Capacity voltage value, which is cut off from charge circuit.Hereby it is achieved that
Without it is additional increase hardware equalizer circuit under the premise of, equilibrium treatment can be carried out to the charging process of battery pack, not only
The safety and reliability of battery pack charging process is improved, and battery charging circuit structure is simple, small in size, cost
It is low, condition is provided for the miniaturization of electronic equipment volume, and charge loss can also be reduced, improves charge efficiency.
In order to realize above-described embodiment, the application also proposes a kind of electronic equipment.
Fig. 6 is the structural schematic diagram of the electronic equipment of one exemplary embodiment of the application.The electronic equipment that Fig. 6 is shown is only
Only an example, should not function to the embodiment of the present application and use scope bring any restrictions.
As shown in fig. 6, above-mentioned electronic equipment 200 includes：Memory 210, voltage detecting assembly 222, is led at processor 220
Logical component 224 and battery pack 226；
The battery pack 226, for providing electric energy for each component in electronic equipment, so that electronic equipment operates normally；
The voltage detecting assembly 222 is connect, for detecting battery pack with each battery units in parallel in battery pack 226
The voltage value of each battery unit during the charging process in 226；
The feed-through assembly 224 connect or is connected in parallel with each battery cells in series；
The memory 210, for storing executable program code；
The processor 220, each battery unit for being detected according to the voltage detecting assembly 222 is in charging process
Middle voltage value, determines the Full Charge Capacity voltage value of each battery unit, and reads the executable program stored in the memory 210
Code runs program corresponding with the executable program code, by controlling i-th of conducting in the feed-through assembly 224
The on state of device, to realize battery pack charge control method described in second aspect embodiment.
In a kind of optional way of realization, as shown in fig. 7, the electronic equipment 200 can also include：Memory 210 and
Processor 220, connects the bus 230 of different components (including memory 210 and processor 220), and memory 210 is stored with calculating
Machine program realizes battery pack charge control method described in the embodiment of the present application when processor 220 executes described program.
Bus 230 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts
For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC)
Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Electronic equipment 200 typically comprises a variety of computer equipment readable mediums.These media can be it is any can be by
The usable medium that electronic equipment 200 accesses, including volatile and non-volatile media, moveable and immovable medium.
Memory 210 can also include the computer system readable media of form of volatile memory, such as arbitrary access
Memory (RAM) 240 and/or cache memory 250.Electronic equipment 200 may further include that other are removable/and it can not
Mobile, volatile/non-volatile computer system storage medium.Only as an example, storage system 260 can be used for reading and writing not
Movably, non-volatile magnetic media (Fig. 7 do not show, commonly referred to as " hard disk drive ").It, can be with although being not shown in Fig. 7
The disc driver for reading and writing to removable non-volatile magnetic disk (such as " floppy disk ") is provided, and non-volatile to moving
The CD drive of CD (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driving
Device can be connected by one or more data media interfaces with bus 230.Memory 210 may include at least one program
Product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform the application
The function of each embodiment.
Program/utility 280 with one group of (at least one) program module 270, can store in such as memory
In 210, such program module 270 include --- but being not limited to --- operating system, one or more application program, other
It may include the realization of network environment in program module and program data, each of these examples or certain combination.Journey
Sequence module 270 usually executes function and/or method in embodiments described herein.
Electronic equipment 200 can also be with one or more external equipments 290 (such as keyboard, sensing equipment, display 291
Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 200 communicate, and/or with make
The electronic equipment 200 can calculate any equipment that equipment be communicated (such as network interface card, modem with one or more other
Etc.) communication.This communication can be carried out by input/output (I/O) interface 292.Also, electronic equipment 200 can also lead to
Cross network adapter 293 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, example
Such as internet) communication.As shown, network adapter 293 is communicated by bus 230 with other modules of electronic equipment 200.It answers
When understanding, although not shown in the drawings, other hardware and/or software module can be used in conjunction with electronic equipment 200, including but unlimited
In：Microcode, device driver, redundant processing unit, external disk drive array, RAID system, tape drive and number
According to backup storage system etc..
It should be noted that the implementation process and technical principle of the electronic equipment of the present embodiment are referring to aforementioned to second aspect
The explanation of the battery pack charge control method of embodiment, details are not described herein again.
Electronic equipment provided by the embodiments of the present application, by determining that the Full Charge Capacity that each battery unit is current in battery pack is electric
Pressure value, and in battery pack charging process obtains the voltage value of each battery unit in battery pack, when determining any battery unit
Voltage value be its corresponding Full Charge Capacity voltage value when, which is cut off from charge circuit.Hereby it is achieved that in nothing
Under the premise of hardware equalizer circuit need to additionally being increased, equilibrium treatment can be carried out to the charging process of battery pack, not only increased
The safety and reliability of battery pack charging process, and battery charging circuit structure is simple, small in size, at low cost, for electricity
Sub- equipment volume miniaturization provides condition, and can also reduce charge loss, improves charge efficiency.
To achieve the above object, the application also proposes a kind of computer readable storage medium.
The wherein computer readable storage medium, is stored thereon with computer program, when which is executed by processor, with
Realize battery pack charge control method described in second aspect embodiment.
In a kind of optional way of realization, the present embodiment can be using any group of one or more computer-readable media
It closes.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable to deposit
Storage media for example may be-but not limited to-system, device or the device of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor
Part, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes：Have
The electrical connection of one or more conducting wires, portable computer diskette, hard disk, random access memory (RAM), read-only memory
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
To achieve the above object, the application also proposes a kind of computer program.Wherein when computer program is held by processor
When row, to realize battery pack charge control method described in second aspect embodiment.
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.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized：With for realizing the logic gates of logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the application
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of application
Type.
Claims (12)
1. a kind of battery charging control system, which is characterized in that including：Voltage detecting assembly, feed-through assembly and control assembly；
The voltage detecting assembly is connect with battery units in parallel each in battery pack, for detecting each battery in battery pack
The voltage value of unit during the charging process；
The feed-through assembly connect or is connected in parallel with each battery cells in series；
The control assembly, each battery unit for being detected according to voltage detecting assembly voltage during the charging process
Value determines the Full Charge Capacity voltage value of each battery unit, and is its corresponding full electricity in the voltage value for determining i-th of battery unit
When measuring voltage value, by adjusting the on state for the conduction device being connect with i-th of battery unit, by described i-th
Battery unit is cut off from charge circuit.
2. control system as described in claim 1, which is characterized in that the feed-through assembly, including：Connect with battery cells in series
The the first conduction device group connect, and the second conduction device group being connect with the battery units in parallel；
The quantity N and battery pack of the conduction device separately included in the first conduction device group and the second conduction device group
In include battery unit quantity N it is identical；
One end of i-th of conduction device in first conduction device group and one end, the second conduction device of (i-1)-th battery unit
In group in one end of the i-th ' -1 conduction device and the second conduction device group the i-th ' a conduction device one end connection, lead for i-th
The other end of logical device is connect with one end of i-th of battery unit；
One end of the i-th '+1 conduction device, i-th of battery in the other end of the i-th ' a conduction device, with the second conduction device group
One end connection of i+1 conduction device in the other end of unit and the first conduction device group, wherein N is the positive integer greater than 1,
I is the positive integer less than or equal to N.
3. control system as described in claim 1, which is characterized in that the control assembly is also used to：According to the conducting group
The on state of each conduction device in part, adjusts the charging voltage value of the charge circuit.
4. a kind of battery pack charge control method, which is characterized in that including：
Determine the Full Charge Capacity voltage value that each battery unit is current in battery pack；
In battery pack charging process, the voltage value of each battery unit in battery pack is obtained；
The voltage value for determining i-th of battery unit be its corresponding Full Charge Capacity voltage value when, by i-th of battery unit from
It is cut off in charge circuit, wherein include N number of battery unit in the battery pack, N is the positive integer greater than 1, and i is to be less than or wait
In the positive integer of N.
5. method as claimed in claim 4, which is characterized in that the current full electricity of each battery unit in the determining battery pack
Voltage value is measured, including：
According to voltage change of each battery unit during the charging process, in the unit time, determine that each battery unit is current
Full Charge Capacity voltage value.
6. method as claimed in claim 4, which is characterized in that the battery pack charging process includes that constant-current charge and constant pressure are filled
Electricity；
It is described to cut off i-th of battery unit from charge circuit, including：
During constant-current charge, however, it is determined that when the voltage value of any battery unit is its corresponding Full Charge Capacity voltage value, then will
I-th of battery unit is cut off from charge circuit；
It is described by i-th of battery unit from charge circuit cut off after, further include：
When the voltage value of all battery units is its corresponding Full Charge Capacity voltage value, all battery units are accessed into charging
Circuit, to start to the battery pack constant-voltage charge process.
7. the method as described in claim 4-6 is any, which is characterized in that it is described by i-th of battery unit from charging back
It is cut off in road, including：
Control and i-th of feed-through assembly disconnection of i-th of battery cells in series, the i-th ' a element turns, wherein the i-th ' is a
Feed-through assembly is connected in parallel with i-th of battery unit and i-th of feed-through assembly.
8. the method as described in claim 4-6 is any, which is characterized in that further include：
In the battery pack charging process, according to the connection status of each battery unit and the charge circuit, described in adjustment
The charging voltage value of charge circuit.
9. a kind of battery pack battery charge controller, which is characterized in that including：
Determining module, for determining each battery unit is current in battery pack Full Charge Capacity voltage value；
Module is obtained, for obtaining the voltage value of each battery unit in battery pack in battery pack charging process；
Control module, for when the voltage value for determining i-th of battery unit is its corresponding Full Charge Capacity voltage value, by described the
I battery unit is cut off from charge circuit, wherein includes N number of battery unit in the battery pack, N is just whole greater than 1
Number, i are the positive integer less than or equal to N.
10. a kind of electronic equipment, which is characterized in that including：Memory, processor, voltage detecting assembly, feed-through assembly and battery
Group；
The battery pack, for providing electric energy for each component in electronic equipment, so that electronic equipment operates normally；
The voltage detecting assembly is connect with battery units in parallel each in battery pack, for detecting each battery in battery pack
The voltage value of unit during the charging process；
The feed-through assembly connect or is connected in parallel with each battery cells in series；
The memory, for storing executable program code；
The processor, each battery unit for being detected according to voltage detecting assembly voltage value during the charging process,
Determine the Full Charge Capacity voltage value of each battery unit, and read the executable program code that is stored in the memory run with
The corresponding program of the executable program code, with by the on state for controlling i-th of conduction device in the feed-through assembly,
To realize the battery pack charge control method as described in claim 4-8 is any.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
When processor executes, to realize the battery pack charge control method as described in claim 4-8 is any.
12. a kind of computer program, which is characterized in that when the computer program is executed by processor, realize as right is wanted
Seek any battery pack charge control method of 4-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972750.3A CN108899964A (en) | 2018-08-24 | 2018-08-24 | battery charging control system, method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972750.3A CN108899964A (en) | 2018-08-24 | 2018-08-24 | battery charging control system, method and device |
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| CN108899964A true CN108899964A (en) | 2018-11-27 |
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| WO2022213767A1 (en) * | 2021-04-09 | 2022-10-13 | Oppo广东移动通信有限公司 | Charging apparatus, electronic device, and charging method |
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