CN105375585B - Machine-mounted lithium battery charger and charging method - Google Patents
Machine-mounted lithium battery charger and charging method Download PDFInfo
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- CN105375585B CN105375585B CN201510931535.5A CN201510931535A CN105375585B CN 105375585 B CN105375585 B CN 105375585B CN 201510931535 A CN201510931535 A CN 201510931535A CN 105375585 B CN105375585 B CN 105375585B
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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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to charging techniques.The problem of generalling use single charging modes the present invention is to solve existing airborne lithium battery management system or charger, providing a kind of machine-mounted lithium battery charger and charging method, technical solution can be summarized as：Machine-mounted lithium battery charger, including the balance module of power module, filter module, protective module and monitoring module and at least one charging module, lithium battery group interface corresponding with charging module quantity and identical quantity.The invention has the advantages that facilitating user, it is suitable for airborne lithium battery management system.
Description
Technical field
The present invention relates to charging techniques, in particular to machine-mounted lithium battery charger.
Background technique
With the development of aircraft industry, lithium battery has become a kind of trend as the backup power source of aircraft, in order to increase
The safety in utilization of strong lithium battery, proposes the demand that dedicated lithium battery charger or lithium battery management system are arranged on machine.Mesh
Traditional reserve battery is mostly ickel-cadmium cell on preceding machine, is its matched conventional on-board battery management system or charger one
As include charging circuit, monitoring circuit, its working principle is that：28V power supply is the series connection of entire battery pack by charging circuit on machine
Charging stops charging when the entire battery voltage of monitoring circuit detection is reached full of voltage.Traditional airborne battery management system
System or charger charge to battery pack using series system, since coherence request of the lithium battery to monomer voltage is higher, forbid
There is overpressure situation, occurred if will cause partial monosomy battery in the capacity volume variance under the charging modes between single battery
A possibility that pressure, largely effects on the service life and safety of lithium battery, so traditional airborne battery management system or charging
Device cannot be used for as lithium battery charging.Meanwhile conventional on-board lithium battery management system or charger generally use single only charging side
Formula, internal charge circuit quantity is more, and reliability and weight is not dominant, once the failure of some charge circuit may
Cause battery that can not charge normal, when needing emergence power on machine, is unable to satisfy requirement on machine.
Summary of the invention
The invention aims to generally use single only charging side for current airborne lithium battery management system or charger
The shortcomings that formula, provides a kind of machine-mounted lithium battery charger and charging method.
The present invention solves its technical problem, the technical solution adopted is that, machine-mounted lithium battery charger, including power module,
It is characterized in that, further including filter module, protective module and monitoring module and at least one charging module and charging module
The balance module of the corresponding lithium battery group interface of quantity and identical quantity, the power module are connect with filter module, filtering
Module is connect with protective module, and protective module is connect with each balance module and each charging module respectively, each is filled
The corresponding lithium battery group interface of electric module, and a corresponding balance module, each charging module and corresponding lithium electricity
The connection of pond group interface, forms serial connection charge system, each balance module is connect with corresponding lithium battery group interface, owns
Lithium battery group interface, balance module and charging module are all connect with monitoring module respectively, and protective module is connect with monitoring module；
Output is to protective module after the power filter that the filter module is used to input power module；
The protective module is used for according to the open or closed corresponding charging module connected to it of output of monitoring module
Input power；
The charging module according to the output of monitoring module for judging whether to be filled to lithium battery group connected to it
Electricity and according to the output of monitoring module control charging current；
For the balance module for being started according to the output of monitoring module, the moment obtains lithium battery group connected to it
The monomer battery voltage of all lithium batteries in interface obtains highest monomer battery voltage and minimum monomer voltage, and judges most
Whether the difference of high monomer cell voltage and minimum monomer voltage is greater than specified value, if otherwise waiting for, if from low to high successively
Equalizaing charge is carried out respectively for each lithium battery, until each lithium battery reaches setting value；
The monitoring module is used to monitor the monomer of each lithium battery in each lithium battery group interface connected to it
Cell voltage, the and when monomer battery voltage of lithium battery a one by one in office reaches the first preset value, to the affiliated lithium of the lithium battery
The charging module output signal of battery pack interface connection controls it and carries out low current charge, when any in the lithium battery group interface
When the monomer battery voltage of one lithium battery reaches the second preset value, to the charging module output signal, controls it and stops charging,
When the monomer battery voltage of any lithium battery reaches third preset value, to protective module output signal, its disconnection is controlled
The input power for the charging module being connect with the affiliated lithium battery group interface of the lithium battery, when in any lithium battery group interface
When the monomer battery voltage of all lithium batteries all reaches four preset values, the balance module connecting with the lithium battery group interface is notified
Starting.
Specifically, the third preset value is greater than the second preset value, the second preset value is greater than the first preset value.
Further, the 4th preset value is greater than or equal to the first preset value.
Specifically, the specified value is 30mV.
Further, the balance module moment obtains all lithium batteries in lithium battery group interface connected to it
Monomer battery voltage refers to：The balance module moment obtains the list of all lithium batteries in corresponding lithium battery group interface from monitoring module
Body cell voltage or balance module moment detect the single battery electricity of all lithium batteries in lithium battery group interface connected to it
Pressure.
Airborne lithium battery charging method is applied to above-mentioned machine-mounted lithium battery charger, which is characterized in that including following step
Suddenly：
Step 1, charging start；
Step 2, moment monitor the monomer battery voltage of each lithium battery in each lithium battery group interface, and judgement is
The no monomer battery voltage for having any lithium battery reaches the first preset value or the second preset value or third preset value or the 4th
Preset value enters step 3 when there is the monomer battery voltage of lithium battery to reach the first preset value, when the single battery for having lithium battery
Voltage enters step 4 when reaching the second preset value, and step is entered when the monomer battery voltage for having lithium battery reaches third preset value
Rapid 5,6 are entered step when there is the monomer battery voltage of lithium battery to reach four preset values；
Step 3, the corresponding charging module of control charge to the affiliated lithium battery group of the lithium battery with low current, return to step
2；
Step 4 controls corresponding charging module disconnection charging, returns to step 2；
Step 5, control protective module disconnect the input power of corresponding charging module, return to step 2；
Step 6 controls corresponding balance module starting；
Step 7, the balance module moment obtain the monomer battery voltage of all lithium batteries in corresponding lithium battery group, obtain
Highest monomer battery voltage and minimum monomer voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is big
In specified value, if otherwise entering step 9, if entering step 8；
Step 8 is followed successively by each lithium battery from low to high and carries out equalizaing charge respectively, until each lithium battery reaches and sets
Definite value returns to step 7；
Step 9 waits and returns to step 7.
Specifically, the third preset value is greater than the second preset value in step 2, the second preset value is greater than the first preset value.
Further, in step 2, the 4th preset value is greater than or equal to the first preset value.
Specifically, the specified value is 30mV in step 7.
Further, in step 7, the balance module moment obtains all in lithium battery group interface connected to it
The monomer battery voltage of lithium battery refers to：The balance module moment obtains all lithiums in corresponding lithium battery group interface from monitoring module
The monomer battery voltage of battery or balance module moment detect the list of all lithium batteries in lithium battery group interface connected to it
Body cell voltage.
The invention has the advantages that in the present invention program, by above-mentioned machine-mounted lithium battery charger and charging method,
Serial connection charge can be carried out for airborne lithium battery, and can be charged simultaneously for multiple lithium battery groups, realized safe and reliable
It is the function of lithium battery charging, facilitates user, adapt to the development of aircraft industry.
Detailed description of the invention
Fig. 1 is the system block diagram of machine-mounted lithium battery charger in the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, the technical schemes of the invention are described in detail.
Machine-mounted lithium battery charger of the invention, including power module, filter module, protective module and monitoring module, with
And the balance module of at least one charging module, lithium battery group interface corresponding with charging module quantity and identical quantity,
In, power module is connect with filter module, and filter module is connect with protective module, protective module respectively with each balance module
And the connection of each charging module, the corresponding lithium battery group interface of each charging module, and a corresponding balance module, often
One charging module is connect with corresponding lithium battery group interface, form serial connection charge system, each balance module with
Its corresponding lithium battery group interface connection, all lithium battery group interfaces, balance module and charging module all respectively with monitoring module
Connection, protective module connect with monitoring module, and here, filter module is given for will export after power filter that power module inputs
Protective module；Protective module is used for the input of the open or closed corresponding charging module connected to it of output according to monitoring module
Power supply；Charging module be used to judge whether to carry out to lithium battery group connected to it according to the output of monitoring module charging and according to
The output of monitoring module controls charging current；Balance module for being started according to the output of monitoring module, obtain by the moment
The monomer battery voltage for taking all lithium batteries in lithium battery group interface connected to it obtains highest monomer battery voltage and most
Low monomer voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is greater than specified value, if otherwise waiting for,
If be then followed successively by each lithium battery from low to high carries out equalizaing charge respectively, until each lithium battery reaches setting value；Prison
Control module is used to monitor the monomer battery voltage of each lithium battery in each lithium battery group interface connected to it, and in office
When the monomer battery voltage of a lithium battery reaches the first preset value one by one, to what is connect with the affiliated lithium battery group interface of the lithium battery
Charging module output signal controls it and carries out low current charge, when the monomer of a lithium battery any in the lithium battery group interface
When cell voltage reaches the second preset value, to the charging module output signal, controls it and stop charging, when any lithium battery
Monomer battery voltage when reaching third preset value, to protective module output signal, control it and disconnect and the affiliated lithium of the lithium battery
The input power of the charging module of battery pack interface connection, when the monomer of all lithium batteries in any lithium battery group interface
When cell voltage all reaches four preset values, the balance module connecting with lithium battery group interface starting is notified.
Airborne lithium battery charging method of the invention is applied to above-mentioned machine-mounted lithium battery charger, including：Charging is opened first
Begin, the moment monitors the monomer battery voltage of each lithium battery in each lithium battery group interface, and judges whether there is any one
The monomer battery voltage of a lithium battery reaches the first preset value or the second preset value or third preset value or the 4th preset value, when having
Controlled when the monomer battery voltage of lithium battery reaches the first preset value corresponding charging module to the affiliated lithium battery group of the lithium battery with
Low current charges, and corresponding charging module disconnection is controlled when there is the monomer battery voltage of lithium battery to reach the second preset value and is filled
Electricity controls the input that protective module disconnects corresponding charging module when the monomer battery voltage for having lithium battery reaches third preset value
Power supply controls corresponding balance module starting, the balance module when there is the monomer battery voltage of lithium battery to reach four preset values
Moment obtains the monomer battery voltage of all lithium batteries in corresponding lithium battery group, obtains highest monomer battery voltage and minimum list
Bulk voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is greater than specified value, if otherwise waiting for, if
It is then followed successively by each lithium battery from low to high and carries out equalizaing charge respectively, until each lithium battery reaches setting value.
Embodiment
Machine-mounted lithium battery charger in the embodiment of the present invention, including power module, filter module, protective module and monitoring mould
The equilibrium model of block and at least one charging module, lithium battery group interface corresponding with charging module quantity and identical quantity
Block, wherein power module is connect with filter module, and filter module is connect with protective module, and protective module is equal with each respectively
The module that weighs and the connection of each charging module, the corresponding lithium battery group interface of each charging module, and a corresponding equilibrium
Module, each charging module are connect with corresponding lithium battery group interface, form serial connection charge system, each equilibrium model
Block is connect with corresponding lithium battery group interface, all lithium battery group interfaces, balance module and charging module all respectively with prison
Module connection is controlled, protective module is connect with monitoring module, here, after the power filter that filter module is used to input power module
It exports to protective module；Protective module is used for the open or closed corresponding charging module connected to it of output according to monitoring module
Input power；Charging module according to the output of monitoring module for judging whether to charge to lithium battery group connected to it
And charging current is controlled according to the output of monitoring module；Balance module is used to be started according to the output of monitoring module,
Moment obtains the monomer battery voltage of all lithium batteries in lithium battery group interface connected to it, obtains highest single battery electricity
Pressure and minimum monomer voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is greater than specified value, if not
It then waits, if be then followed successively by each lithium battery from low to high carries out equalizaing charge respectively, until each lithium battery reaches and sets
Definite value；Monitoring module is used to monitor the single battery electricity of each lithium battery in each lithium battery group interface connected to it
Pressure, the and when monomer battery voltage of lithium battery a one by one in office reaches the first preset value, to the affiliated lithium battery group of the lithium battery
The charging module output signal of interface connection controls it and carries out low current charge, when a lithium any in the lithium battery group interface
When the monomer battery voltage of battery reaches the second preset value, to the charging module output signal, controls it and stop charging, when any
When the monomer battery voltage of one lithium battery reaches third preset value, to protective module output signal, controls it and disconnect and the lithium
The input power of the charging module of the affiliated lithium battery group interface connection of battery, all lithiums in any lithium battery group interface
When the monomer battery voltage of battery all reaches four preset values, the balance module connecting with lithium battery group interface starting is notified.
Wherein, third preset value is preferably greater than the second preset value, and the second preset value is preferably greater than the first preset value, the
Four preset values are preferably greater than or equal to the first preset value, and specified value is 30mV.
In addition, the balance module moment obtains the single battery electricity of all lithium batteries in lithium battery group interface connected to it
Pressure refers to：The balance module moment obtains the single battery electricity of all lithium batteries in corresponding lithium battery group interface from monitoring module
Pressure or balance module moment detect the monomer battery voltage of all lithium batteries in lithium battery group interface connected to it.
In use, including the following steps：
Step 1, charging start.
Step 2, moment monitor the monomer battery voltage of each lithium battery in each lithium battery group interface, and judgement is
The no monomer battery voltage for having any lithium battery reaches the first preset value or the second preset value or third preset value or the 4th
Preset value enters step 3 when there is the monomer battery voltage of lithium battery to reach the first preset value, when the single battery for having lithium battery
Voltage enters step 4 when reaching the second preset value, and step is entered when the monomer battery voltage for having lithium battery reaches third preset value
Rapid 5,6 are entered step when there is the monomer battery voltage of lithium battery to reach four preset values.
In this step, third preset value is preferably greater than the second preset value, and the second preset value is preferably greater than first default
Value, the 4th preset value is preferably greater than or equal to the first preset value.
Step 3, the corresponding charging module of control charge to the affiliated lithium battery group of the lithium battery with low current, return to step
2。
Step 4 controls corresponding charging module disconnection charging, returns to step 2.
When this step, i.e. the charge function of charging module is completed.
Step 5, control protective module disconnect the input power of corresponding charging module, return to step 2.
When the effect of this step, the charging module when step 4 forces its pass because when a variety of causes causes not disconnect charging
Charge function is closed, overvoltage protection when control is failed to lithium battery is played by protective module.
Step 6 controls corresponding balance module starting.
Step 7, the balance module moment obtain the monomer battery voltage of all lithium batteries in corresponding lithium battery group, obtain
Highest monomer battery voltage and minimum monomer battery voltage, and judge that the difference of highest monomer battery voltage and minimum monomer voltage is
It is no to be greater than specified value, if otherwise entering step 9, if entering step 8.
, it is specified that value is 30mV in this step.And the balance module moment obtains the institute in lithium battery group interface connected to it
There is the monomer battery voltage of lithium battery to refer to：The balance module moment obtains all in corresponding lithium battery group interface from monitoring module
The monomer battery voltage of lithium battery or balance module moment detect all lithium batteries in lithium battery group interface connected to it
Monomer battery voltage.
Step 8 is followed successively by each lithium battery from low to high and carries out equalizaing charge respectively, until each lithium battery reaches and sets
Definite value returns to step 7.
Step 9 waits and returns to step 7.
The purpose of this step is, if the monomer battery voltage of some lithium battery reduces, may result in highest monomer electricity
The difference of cell voltage and minimum monomer voltage is greater than specified value, and needing balance module at this time again is that the lithium battery charges.
The embodiment of the present invention realizes the equalizaing charge of lithium battery group by the processing step and function of balance module.
In this example, monitoring module can use chip microcontroller.
Concrete example is as follows：
This example by taking two lithium battery group interfaces as an example, then place in two lithium battery group interfaces referring to Fig. 1 by system block diagram
Lithium battery group be respectively lithium battery group 1 and lithium battery group 2, and respectively corresponded charging module 1 and charging module 2, also distinguished
Balance module 1 and balance module 2 are corresponded to.And third preset value is set greater than the second preset value, the second preset value is greater than first
Preset value, the 4th preset value are greater than or equal to the first preset value.
Below the charging of lithium battery group 1 to be illustrated, the charging process of lithium battery group 2 is same, charging
Process is as follows：
A, charging starts.
B, the moment monitors the monomer battery voltage of each lithium battery in lithium battery group 1, and judges whether there is any one
The monomer battery voltage of lithium battery reaches the first preset value or the second preset value or third preset value or the 4th preset value, when there is lithium
The monomer battery voltage of battery enters step C when reaching the first preset value, when there is the monomer battery voltage of lithium battery to reach second
D is entered step when preset value, enters step E when the monomer battery voltage for having lithium battery reaches third preset value, when there is lithium electric
The monomer battery voltage in pond enters step F when reaching four preset values.
C, control charging module 1 charges to lithium battery group 1 with low current, returns to step B.
D, control charging module 1 disconnects charging, returns to step B.
E, control protective module disconnects the input power of charging module 1, returns to step B.
F, corresponding balance module 1 is controlled to start.
G, 1 moment of balance module obtains the monomer battery voltage of all lithium batteries in lithium battery group 1, obtains highest monomer
Cell voltage and minimum monomer battery voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is greater than rule
Definite value, if otherwise entering step I, if entering step H.
H, it is followed successively by each lithium battery from low to high and carries out equalizaing charge respectively, until each lithium battery reaches setting
Value, returns to step G.
I, it waits and returns to step G.
Claims (8)
1. machine-mounted lithium battery charger, including power module, which is characterized in that further include filter module, protective module and monitoring
The equilibrium of module and at least one charging module, lithium battery group interface corresponding with charging module quantity and identical quantity
Module, the power module are connect with filter module, and filter module is connect with protective module, and protective module is equal with each respectively
The module that weighs and the connection of each charging module, the corresponding lithium battery group interface of each charging module, and a corresponding equilibrium
Module, each charging module are connect with corresponding lithium battery group interface, form serial connection charge system, each equilibrium model
Block is connect with corresponding lithium battery group interface, all lithium battery group interfaces, balance module and charging module all respectively with prison
Module connection is controlled, protective module is connect with monitoring module；
Output is to protective module after the power filter that the filter module is used to input power module；
The protective module is used for the input of the open or closed corresponding charging module connected to it of output according to monitoring module
Power supply；
The charging module be used to judge whether to carry out to lithium battery group connected to it according to the output of monitoring module charging and
Charging current is controlled according to the output of monitoring module；
For the balance module for being started according to the output of monitoring module, the moment obtains lithium battery group interface connected to it
In all lithium batteries monomer battery voltage, obtain highest monomer battery voltage and minimum monomer voltage, and judge highest list
Whether the difference of body cell voltage and minimum monomer voltage is greater than specified value, if otherwise waiting for, if being followed successively by from low to high each
Lithium battery carries out equalizaing charge respectively, until each lithium battery reaches setting value；
The monitoring module is used to monitor the single battery of each lithium battery in each lithium battery group interface connected to it
Voltage, the and when monomer battery voltage of lithium battery a one by one in office reaches the first preset value, to the affiliated lithium battery of the lithium battery
The charging module output signal of group interface connection controls it and carries out low current charge, when any one in the lithium battery group interface
When the monomer battery voltage of lithium battery reaches the second preset value, to the charging module output signal, control its stop charging, when appoint
When the monomer battery voltage of a lithium battery reaches third preset value one by one, to protective module output signal, controls it and disconnect and be somebody's turn to do
The input power of the charging module of the affiliated lithium battery group interface connection of lithium battery, any in any lithium battery group interface
When the monomer battery voltage of one lithium battery all reaches four preset values, the balance module connecting with the lithium battery group interface is notified
Starting, the third preset value are greater than the second preset value, and the second preset value is greater than the first preset value, and the 4th preset value is greater than
Or it is equal to the first preset value.
2. machine-mounted lithium battery charger as described in claim 1, which is characterized in that the specified value is 30mV.
3. machine-mounted lithium battery charger as claimed in claim 1 or 2, which is characterized in that balance module moment obtain with
The monomer battery voltage of all lithium batteries in its lithium battery group interface connected refers to：The balance module moment is obtained from monitoring module
The monomer battery voltage or balance module moment for taking all lithium batteries in corresponding lithium battery group interface detect lithium connected to it
The monomer battery voltage of all lithium batteries in battery pack interface.
4. airborne lithium battery charging method, applied to the machine-mounted lithium battery charger as described in claims 1 or 2 or 3, feature
It is, includes the following steps：
Step 1, charging start；
Step 2, moment monitor the monomer battery voltage of each lithium battery in each lithium battery group interface, and judge whether there is
The monomer battery voltage of any lithium battery reaches the first preset value or the second preset value or third preset value or the 4th default
Value, enters step 3 when there is the monomer battery voltage of lithium battery to reach the first preset value, when the monomer battery voltage for having lithium battery
4 are entered step when reaching the second preset value, enters step 5 when the monomer battery voltage for having lithium battery reaches third preset value,
6 are entered step when there is the monomer battery voltage of lithium battery to reach four preset values；
Step 3, the corresponding charging module of control charge to the affiliated lithium battery group of the lithium battery with low current, return to step 2；
Step 4 controls corresponding charging module disconnection charging, returns to step 2；
Step 5, control protective module disconnect the input power of corresponding charging module, return to step 2；
Step 6 controls corresponding balance module starting；
Step 7, the balance module moment obtain the monomer battery voltage of all lithium batteries in corresponding lithium battery group, obtain highest
Monomer battery voltage and minimum monomer voltage, and judge whether the difference of highest monomer battery voltage and minimum monomer voltage is greater than rule
Definite value, if otherwise entering step 9, if entering step 8；
Step 8 is followed successively by each lithium battery from low to high and carries out equalizaing charge respectively, until each lithium battery reaches setting
Value, returns to step 7；
Step 9 waits and returns to step 7.
5. airborne lithium battery charging method as claimed in claim 4, which is characterized in that in step 2, the third preset value is big
In the second preset value, the second preset value is greater than the first preset value.
6. airborne lithium battery charging method as claimed in claim 4, which is characterized in that in step 2, the 4th preset value is big
In or equal to the first preset value.
7. airborne lithium battery charging method as claimed in claim 4, which is characterized in that in step 7, the specified value is
30mV。
8. the airborne lithium battery charging method as described in claim 4 or 5 or 6 or 7, which is characterized in that described equal in step 7
The monomer battery voltage that the weighing apparatus module moment obtains all lithium batteries in lithium battery group interface connected to it refers to：Balance module
Moment obtains monomer battery voltage or the balance module moment of all lithium batteries in corresponding lithium battery group interface from monitoring module
Detect the monomer battery voltage of all lithium batteries in lithium battery group interface connected to it.
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| CN106712225B (en) * | 2017-03-28 | 2019-05-24 | 湖南科技大学 | Equalizing charger suitable for 2-8S lithium battery group |
| CN110829537B (en) * | 2019-11-21 | 2023-05-12 | 四川长虹电源有限责任公司 | Aviation lithium battery pack charging management system |
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| CN101471460B (en) * | 2007-12-28 | 2012-08-08 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| US8232768B2 (en) * | 2009-01-23 | 2012-07-31 | O2Micro, Inc. | System and method for balancing battery cells |
| US9866050B2 (en) * | 2010-05-21 | 2018-01-09 | The Boeing Company | Battery cell charge equalization |
| CN202260560U (en) * | 2011-10-21 | 2012-05-30 | 四川长虹电源有限责任公司 | Machine-mounted lithium battery charger |
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