CN109888862A - A kind of control method of double-battery charge electric system - Google Patents
A kind of control method of double-battery charge electric system Download PDFInfo
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- CN109888862A CN109888862A CN201910117631.4A CN201910117631A CN109888862A CN 109888862 A CN109888862 A CN 109888862A CN 201910117631 A CN201910117631 A CN 201910117631A CN 109888862 A CN109888862 A CN 109888862A
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Abstract
The present invention relates to battery boosting technology fields, and in particular to a kind of control method of double-battery charge electric system.The double-battery charge electric system includes charging equipment, the first battery and the second battery, and the control method is comprising steps of judge the status information of charging equipment；If meeting the first trigger condition, control charging equipment carries out high-power charging to the second battery, conversely, control charging equipment carries out small-power charging to the second battery；Judge the status information of the first battery；If meeting the second trigger condition, the first battery of control carries out high-power charging to the second battery, conversely, the first battery of control carries out small-power charging to the second battery.The present invention is able to achieve charging equipment and the first battery and can be charged by way of the charging of high-power or small-power to the second battery, it is fully utilized charging equipment and the energy of the first battery, the fan-out capability of raising system, reduce the waste of rechargeable energy, the cost performance of raising system, and the raising of hardware cost is not brought.
Description
Technical field
The present invention relates to battery boosting technology fields, and in particular to a kind of control method of double-battery charge electric system.
Background technique
Daily life electric appliance can be also onboard carried in caravan and some special vehicles other than vehicle attribute, while can be taken
Carry office equipment, such as computer, communication terminal, air-conditioning, TV and the various electrical equipments of refrigerator.
In caravan and some special vehicles, can all have and adjust the main battery connecting with generator for electric vehicle starting,
And the secondary cell for other power supply for electrical equipment.
In the dual battery system that main battery and secondary cell are formed, need to charge to main battery and secondary cell.Existing
In some double-battery charge electric control systems, setting two-way branch is respectively that secondary cell charges, and is all the way main battery to secondary electricity
Pond is charged, and is charged all the way for photovoltaic to secondary cell, meanwhile, photovoltaic uses PWM mode to charge for main battery.But
This charge control mode, photovoltaic are that main battery charging has big rush of current, and safety is low, the energy benefit of photovoltaic and generator
Low with rate, energy dissipation is serious, and output power is small, at high cost.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of double cell charging
The control method of system overcomes existing double-battery charge electric control method safety low, and capacity usage ratio is low, and energy dissipation is tight
Weight, output power is small, problem at high cost.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of controlling party of double-battery charge electric system
Method, the double-battery charge electric system include charging equipment, the first battery and the second battery, the control method comprising steps of
Judge the status information of charging equipment；
If meeting the first trigger condition, control charging equipment carries out high-power charging to the second battery, conversely, control charging
Equipment carries out small-power charging to the second battery；
Judge the status information of the first battery；
If meeting the second trigger condition, the first battery of control carries out high-power charging to the second battery, conversely, control first
Battery carries out small-power charging to the second battery.
Still more preferably scheme of the invention is: the double-battery charge electric system further include respectively with charging equipment and
First step-up/step-down circuit module of two batteries connection, the second step-up/step-down circuit mould being connect respectively with the first battery and the second battery
Block, and the on-off circuit module between charging equipment and the first battery.
Still more preferably scheme of the invention is: control charging equipment/first battery carries out the second battery big
Power charging comprising steps of
Charging equipment/first battery is by the first step-up/step-down circuit module and the second step-up/step-down circuit module to the second battery
It charges.
Still more preferably scheme of the invention is: control charging equipment/first battery carries out the second battery small
Power charging comprising steps of
Charging equipment/first battery is by the first step-up/step-down circuit module or the second step-up/step-down circuit module to the second battery
It charges.
Still more preferably scheme of the invention is: the second step-up/step-down circuit module includes Bidirectional up-down volt circuit mould
Block.
Still more preferably scheme of the invention is: the control method further comprises the steps of:
Judge whether the second battery meets external discharging condition, if satisfied, the second battery of control fills the first battery
Electricity.
Still more preferably scheme of the invention is: the control method further comprises the steps of:
The working condition of the second battery is controlled according to the charging current of the first battery-end.
Still more preferably scheme of the invention is: the charging equipment includes photovoltaic.
Still more preferably scheme of the invention is: control photovoltaic charged to the second battery comprising steps of
Solar controller, output electric current and the output voltage for controlling to adjust photovoltaic are high-power/small to the progress of the first battery
Power charging.
Still more preferably scheme of the invention is: described to judge whether charging equipment meets the first trigger condition and include step
It is rapid:
The output voltage of default first trigger condition；
Whether the voltage for judging charging equipment is more than preset output voltage, if being more than, is judged as that charging equipment meets
First trigger condition is judged as that charging equipment is unsatisfactory for the first trigger condition if being no more than.
The beneficial effects of the present invention are by judging whether charging equipment meets the first trigger condition, control charging is set
It is standby that the charging of high-power or small-power is carried out to the second battery, judge whether the first battery meets the second trigger condition, control first
Battery carries out high-power or small-power to the second battery and charges, and charging equipment and the first battery can pass through high-power or small function
The mode of rate charging charges to the second battery, is fully utilized charging equipment and the energy of the first battery, improves
The fan-out capability of system reduces the waste of rechargeable energy, improves the cost performance of system, and does not bring the raising of hardware cost.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the flow diagram of the control method of double-battery charge electric system of the invention；
Fig. 2 is of the invention to judge whether charging equipment meets the flow diagram of the first trigger condition；
Fig. 3 is of the invention to judge whether the first battery meets the flow diagram of the second trigger condition；
Fig. 4 is the idiographic flow block diagram of the second battery of the invention to the charge control of the first battery；
Fig. 5 is the idiographic flow block diagram of the control method of double-battery charge electric system of the invention；
Fig. 6 is the structural block diagram of double-battery charge electric system of the invention；
Fig. 7 is the structural block diagram of the first step-up/step-down circuit module of the invention；
Fig. 8 is the structural block diagram of the second step-up/step-down circuit module of the invention；
Fig. 9 be double-battery charge electric control system of the invention (do not include main control module, charging equipment, the first battery and
Second battery) circuit diagram.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figure 1, the present invention provides a kind of preferred embodiment of the control method of double-battery charge electric system.
The control method of the double-battery charge electric system comprising steps of
S10, the status information for judging charging equipment 10；
If S20, meeting the first trigger condition, control charging equipment 10 carries out high-power charging to the second battery 30, conversely,
It controls charging equipment 10 and small-power charging is carried out to the second battery 30；
S30, the status information for judging the first battery 20；
If S40, meeting the second trigger condition, the first battery 20 of control carries out high-power charging to the second battery 30, conversely,
It controls the first battery 20 and small-power charging is carried out to the second battery 30.
By judging the status information of charging equipment 10, control charging equipment 10 to the second battery 30 carry out it is high-power or
Small-power charging；And judging the status information of the first battery 20, the first battery 20 of control carries out the second battery 30 high-power
Or small-power charging, charging equipment 10 and the first battery 20 can be by way of the chargings of high-power or small-power to the second electricity
Pond 30 is charged, and is fully utilized charging equipment 10 and the energy of the first battery 20, is improved the fan-out capability of system,
The waste for reducing rechargeable energy, improves the cost performance of system, and do not bring the raising of hardware cost.
Wherein it is preferred to can preferentially judge the status information of charging equipment 10, meet the first triggering item in charging equipment 10
Part, control charging equipment 10 carries out high-power charging to the second battery 30, at this point, status information that can no longer to the first battery 20
Judged；In the case where charging equipment 10 is unsatisfactory for the first trigger condition, control charging equipment 10 to the second battery 30 into
The charging of row small-power, while the status information of the first battery 20 is judged, meet the second trigger condition in the first battery 20,
It controls the first battery 20 and high-power charging is carried out to the second battery 30, while controllable charging equipment 10 stops to the second battery 30
It charges；When the first battery 20 is unsatisfactory for the second trigger condition, charging equipment 10 and the first battery 20 are to the second battery
30 carry out small-power charging.
In the present embodiment, the double-battery charge electric system further includes connecting respectively with charging equipment 10 and the second battery 30
First step-up/step-down circuit module 40, the second step-up/step-down circuit module 50 being connect respectively with the first battery 20 and the second battery 30,
And the on-off circuit module 60 between charging equipment 10 and the first battery 20.Certainly, the double-battery charge electric system is also
It may include the master control mould respectively with the first step-up/step-down circuit module 40, the second step-up/step-down circuit module 50 and on-off circuit module 60
Block 70, to the working condition of the first step-up/step-down circuit module 40, the second step-up/step-down circuit module 50 and on-off circuit module 60 into
Row control.
Wherein, when the state of charging equipment 10 meets the first trigger condition, the control charging equipment 10 is to the second battery
30 carry out high-power chargings comprising steps of
Charging equipment 10 is by the first step-up/step-down circuit module 40 and the second step-up/step-down circuit module 50 to the second battery 30
It charges.
Wherein, charging equipment 10 through on-off circuit module 60 by the second step-up/step-down circuit module 50 to the second battery 30 into
Row charging.Charging equipment 10 is simultaneously by the first step-up/step-down circuit module 40 and second this two-way of step-up/step-down circuit module 50 to the
Two batteries 30 charge, and realize high-power charging.
When charging equipment 10 is unsatisfactory for the first trigger condition, control charging equipment 10 carries out small-power to the second battery 30
Charging comprising steps of
Charging equipment 10 is by the first step-up/step-down circuit module 40 or the second step-up/step-down circuit module 50 to the second battery 30
It charges.
Wherein, charging equipment 10 passes through the second lifting by the first step-up/step-down circuit module 40 or through on-off circuit module 60
Volt circuit module 50 charges to the second battery 30, realizes small-power charging.
When the first battery 20 meets the second trigger condition, the first battery 20 of control carries out high-power fill to the second battery 30
Electricity comprising steps of
First battery 20 is by the first step-up/step-down circuit module 40 and the second step-up/step-down circuit module 50 to the second battery 30
It charges.
Wherein, the first battery 20 through on-off circuit module 60 by the first step-up/step-down circuit module 40 to the second battery 30 into
Row charging.First battery 20 is simultaneously by the first step-up/step-down circuit module 40 and second this two-way of step-up/step-down circuit module 50 to the
Two batteries 30 charge, and realize high-power charging.
When the first battery 20 is unsatisfactory for the first trigger condition, control charging equipment 10 carries out small-power to the second battery 30
Charging comprising steps of
First battery 20 is by the first step-up/step-down circuit module 40 or the second step-up/step-down circuit module 50 to the second battery 30
It charges.
Wherein, the first battery 20 passes through the first lifting by the second step-up/step-down circuit module 50 or through on-off circuit module 60
Volt circuit module 40 charges to the second battery 30, realizes small-power charging.
Charging equipment 10 and the first battery 20 share charge loop, can pass through the first step-up/step-down circuit module 40 and second
Step-up/step-down circuit module 50 charges to the second battery 30, and charging equipment 10 and the first battery 20 possess a variety of charge loop groups
Conjunction mode charges to the second battery 30, is fully utilized charging equipment 10 and the energy of the first battery 20, improves
The fan-out capability of system reduces the waste of rechargeable energy, improves the cost performance of system, while the band for improving the second battery 30 carries energy
Power, and the raising of hardware cost is not brought.
Preferably, when charging equipment 10 passes through the first step-up/step-down circuit module 40 and the second step-up/step-down circuit module 50 simultaneously
When the second battery of ground 30 is charged, the first battery 20 stops charging work；When charging equipment 10 and the first battery 20 all pass through
When first step-up/step-down circuit module 40 or the second step-up/step-down circuit module 50 charge to the second battery 30, it is preferred to use charging
Equipment 10 charges to the second battery 30 by the first step-up/step-down circuit module 40, and the first battery 20 passes through the second lifting piezoelectricity
Road module 50 charges to the second battery 30.
In the present embodiment, the second step-up/step-down circuit module 50 includes Bidirectional up-down volt circuit module.Bidirectional up-down pressure
Circuit module allows the second battery 30 reversely to charge to the first battery 20.
In the present embodiment, the control method is further comprised the steps of:
Judge whether the second battery 30 meets external discharging condition, if satisfied, the second battery 30 of control is to the first battery 20
It charges.
Judge whether the second battery 30 meets external discharging condition, in charging equipment 10 and the first battery 20 not to second
Battery 30 carries out in the case where being charged, and, in the case where the second battery 30 charges to the first battery 20, charging is set
Standby 10 do not charge to the second battery 30.
Existing to be charged using such as photovoltaic PWM charging modes of charging equipment 10 to the first battery 20, switching process has greatly
Rush of current, and, photovoltaic is not work under MPPT mode at this time, waste photovoltaic energy.Using the second electricity in the present embodiment
Pond 30 charges to the first battery 20 by the second step-up/step-down circuit module 50, improves charge stability, the safety of system
And controllability.
Wherein, MPPT mode refers to that solar controller is extracted from solar array using maximum power point tracking technology
Maximum power is to charge the battery.
Further, the control method further comprises the steps of:
The working condition of the second battery 30 is controlled according to the charging current at 20 end of the first battery.
Wherein, by obtaining the charging current at 20 end of the first battery, control in time adjusts the work of the second battery 30 in turn
Make state, forms closed loop feedback, further improve charging security and controllability.
Specifically, with reference to Fig. 4, Fig. 4 be in the present invention the second battery 30 to the specific reality of the charge control of the first battery 20
Apply the flow diagram of example.
In Fig. 4, step is specifically included:
S41, the operation information for obtaining double-battery charge electric system；S41, judge whether the external discharging condition of the second battery 30 is full
Foot；In the case where the second battery 30 meets external discharging condition, executes step S43, transfers feedback control module feedback the first electricity of transmission
The charging current at 20 end of pond, the second battery 30 charge to the first battery 20 by the second step-up/step-down circuit module 50.
Wherein, the operation information of the double-battery charge electric system includes charging equipment 10, the first battery 20 and the second battery
The data such as 30 voltage, electric current, temperature.
Charging equipment 10 in the present embodiment includes photovoltaic.In other embodiments, the hair such as wind-driven generator can be used
Electric equipment.Photovoltaic is preferred embodiment, and photovoltaic is convenient for carrying, and environmental protection.
Wherein, control photovoltaic charged to the second battery 30 comprising steps of
Control to adjust photovoltaic solar controller, output electric current and output voltage to the first battery 20 carry out it is high-power/
Small-power charging.
In the present embodiment, with reference to Fig. 2, it is described judge charging equipment 10 whether meet the first trigger condition comprising steps of
The output voltage of S21, default first trigger condition；
Whether S22, the voltage for judging charging equipment 10 are more than preset output voltage, if being more than, are judged as that charging is set
The first trigger condition of standby 10 satisfaction is judged as that charging equipment 10 is unsatisfactory for the first trigger condition if being no more than.
Wherein, the voltage of charging equipment 10 is compared with the preset output voltage in the first trigger condition, with this
Judge whether charging equipment 10 can pass through the first step-up/step-down circuit module 40 and the second step-up/step-down circuit module 50 simultaneously, in this way,
The charging of 10 energy of charging equipment is sufficient, meets under the first trigger condition, can pass through 40 He of the first step-up/step-down circuit module simultaneously
Second step-up/step-down circuit module 50 charges to the second battery 30, improves the utilization rate of 10 rechargeable energy of charging equipment, improves
The cost performance of system.
Similarly, with reference to Fig. 3, judge the first battery 20 whether meet the second trigger condition comprising steps of
The output voltage of S31, default second trigger condition；
Whether S32, the voltage for judging the first battery 20 are more than preset output voltage, if being more than, are judged as the first electricity
Pond 20 meets the second trigger condition and is judged as that the first battery 20 is unsatisfactory for the second trigger condition if being no more than.
Wherein, the voltage of the first battery 20 is compared with the preset output voltage in the second trigger condition, with this
Judge whether the first battery 20 can pass through the first step-up/step-down circuit module 40 and the second step-up/step-down circuit module 50 simultaneously, in this way,
In the case where the first battery 20 meets the second trigger condition, the first step-up/step-down circuit module 40 and the second lifting piezoelectricity can be passed through simultaneously
Road module 50 improves the utilization rate of 20 rechargeable energy of the first battery.
Certainly, judge whether charging equipment 10 meets the first trigger condition above-mentioned, judge the first battery 20 whether second
Before trigger condition, require that whether charging equipment 10 and the first battery 20 can be run and judged, in charging equipment 10 or the
Just further whether judgement respectively meets the first trigger condition or the second trigger condition in the case that one battery 20 can all be run.
As shown in figure 5, Fig. 5 is the flow chart element of the specific embodiment of the control method of double-battery charge electric system of the invention
Figure.
In Fig. 5, comprising steps of
S51, the operation information for obtaining double-battery charge electric system；S52, judge whether current photovoltaic can run；Photovoltaic can be transported
Step S53 is executed in the case where row, judges whether photovoltaic meets the first trigger condition；The first trigger condition is unsatisfactory in photovoltaic
Under, execute step S54, starting photovoltaic single channel is adjusted；Then step S55 is executed, judges whether the first battery 20 meets and externally puts
Electric condition；In the case where the first battery 20 meets external discharging condition, executes step S56, judges whether the first battery 20 meets second
Trigger condition executes step S57, starting 20 two-way of the first battery adjusting in the case where the first battery 20 meets the second trigger condition, right
Second battery 30 charges, and in the case where the first battery 20 is unsatisfactory for the second trigger condition, executes step S58, the first battery of starting
20 single channel are adjusted, and are charged to the second battery 30.
In the infeasible situation of photovoltaic, execution step S59, photovoltaic adjusting are forbidden, and then execute step S55.In photovoltaic
Meet under the first trigger condition, execute step S60, execute the adjusting of photovoltaic two-way, and executes step S61, the adjusting of the first battery 20
Forbid.In the case where the first battery 20 is unsatisfactory for external discharging condition, step S61 is executed.
It is the structural block diagram of double-battery charge electric system of the invention with reference to Fig. 6, Fig. 6.
The double-battery charge electric system includes charging equipment 10, the first battery 20, the second battery 30, with charging equipment 10 and
First step-up/step-down circuit module 40 of the second battery 30 connection, second liter connect respectively with the first battery 20 and the second battery 30
Reduction voltage circuit module 50, and the on-off circuit module 60 between charging equipment 10 and the first battery 20.And it can also wrap
Include the master control mould connecting respectively with the first step-up/step-down circuit module 40, the second step-up/step-down circuit module 50 and on-off circuit module 60
Block 70.
Wherein, with reference to Fig. 7 and Fig. 9, the first step-up/step-down circuit module 40 includes the first inductance 41 (L1), with the first electricity
Feel the first driving circuit 42 of one end connection of 41 (L1), and the second driving connecting with the other end of the first inductance 41 (L1)
Circuit 43.
And with reference to Fig. 8 and Fig. 9, the second step-up/step-down circuit module 50 includes the second inductance 52 (L2), with the second electricity
Feel the third driving circuit 53 of one end connection of 52 (L2), and the 4th driving connecting with the other end of the second inductance 52 (L2)
Circuit 54.
Wherein, the third driving circuit 53 includes the first switch tube Q1 connecting with the same end of the second inductance 52 (L2)
With second switch Q2, the other end of the first switch tube Q1 is connect with the first battery 20, and the second switch Q2's is another
One end ground connection.
And the 4th driving circuit 54 includes the third switching tube Q3 connecting with the other end of the second inductance 52 (L2)
It is connect with the other end of the 4th switching tube Q4, the third switching tube Q3 with the second battery 30, the 4th switching tube Q4's is another
One end ground connection.
Specifically, when the first battery 20 charges to the second battery 30, when being in boost operating mode, first switch
Pipe Q1 is tended to remain on, and the 4th switching tube Q4 works in switch state；When in decompression operating mode, first switch tube Q1 work
Make in switch state, third switching tube Q3 is tended to remain on, and second switch Q2 and the 4th switching tube Q4 are held off.
When the second battery 30 reversely charges to the first battery 20, when being in boost operating mode, first switch tube Q1 and the 4th
Switching tube Q4 is held off, and third switching tube Q3 is tended to remain on, and second switch Q2 works in switch state；It is in
When being depressured operating mode, first switch tube Q1 is tended to remain on, and third switching tube Q3 works in switch state, second switch
Q2 and the 4th switching tube Q4 are held off.
Wherein, the first driving circuit 42 in the first step-up/step-down circuit module 40 include switching tube Q8 and Q9, second
Driving circuit 43 includes switching tube Q10, Q11.The working principle of switching tube Q8, Q9, Q10 and Q11 and the work of Q1, Q2, Q3 and Q4
It is identical to make principle, this will not be repeated here.
The structure and work of first driving circuit 42 and the second driving circuit 43 in the first step-up/step-down circuit module 40
Principle in the second step-up/step-down circuit third driving circuit 53 and the 4th driving circuit 54 it is identical, but the first step-up/step-down circuit mould
Block 40 is not related to the second battery 30 and reversely charges to charging equipment 10.
In the present embodiment, the on-off circuit module 60 includes the 5th switching tube Q5, the 6th switching tube Q6, the 7th switching tube
Q7, first capacitor C1 and the second capacitor C2, first capacitor C1 connect with the second capacitor C2 company after both ends respectively with charging equipment 10
It is connected with the first battery 20, the 5th switching tube Q5 is set between charging equipment 10 and the first step-up/step-down circuit module 40, institute
It states the 6th switching tube Q6 to be set between the first battery 20 and the second step-up/step-down circuit module 50, one end of the 7th switching tube Q7 and the
One end connection being connect in five switching tube Q5 with the first step-up/step-down circuit module 40, with second in the other end and the 6th switching tube Q6
One end connection that step-up/step-down circuit module 50 connects.
It should be understood that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, to ability
It for field technique personnel, can modify to technical solution illustrated in the above embodiments, or special to part of technology
Sign is equivalently replaced；And all such modifications and replacement, it should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of control method of double-battery charge electric system, which is characterized in that the double-battery charge electric system include charging equipment,
First battery and the second battery, the control method comprising steps of
Judge the status information of charging equipment；
If meeting the first trigger condition, control charging equipment carries out high-power charging to the second battery, conversely, control charging equipment
Small-power charging is carried out to the second battery；
Judge the status information of the first battery；
If meeting the second trigger condition, the first battery of control carries out high-power charging to the second battery, conversely, the first battery of control
Small-power charging is carried out to the second battery.
2. control method according to claim 1, which is characterized in that the double-battery charge electric system further include respectively with fill
The first step-up/step-down circuit module that electric equipment is connected with the second battery, second liter connect respectively with the first battery and the second battery
Reduction voltage circuit module, and the on-off circuit module between charging equipment and the first battery.
3. control method according to claim 2, which is characterized in that control charging equipment/first battery is to second
Battery carry out high-power charging comprising steps of
Charging equipment/first battery carries out the second battery by the first step-up/step-down circuit module and the second step-up/step-down circuit module
Charging.
4. control method according to claim 2, which is characterized in that control charging equipment/first battery is to second
Battery carry out small-power charging comprising steps of
Charging equipment/first battery carries out the second battery by the first step-up/step-down circuit module or the second step-up/step-down circuit module
Charging.
5. control method according to claim 2, which is characterized in that the second step-up/step-down circuit module includes two-way liter
Reduction voltage circuit module.
6. control method according to claim 5, which is characterized in that the control method further comprises the steps of:
Judge whether the second battery meets external discharging condition, if satisfied, the second battery of control charges to the first battery.
7. control method according to claim 6, which is characterized in that the control method further comprises the steps of:
The working condition of the second battery is controlled according to the charging current of the first battery-end.
8. control method according to claim 1, which is characterized in that the charging equipment includes photovoltaic.
9. control method according to claim 8, which is characterized in that it includes step that control photovoltaic, which carries out charging to the second battery,
It is rapid:
Solar controller, output electric current and the output voltage for controlling to adjust photovoltaic carry out high-power/small-power to the first battery
Charging.
10. control method according to claim 1 or 2, which is characterized in that described to judge whether charging equipment meets first
Trigger condition comprising steps of
The output voltage of default first trigger condition；
Whether the voltage for judging charging equipment is more than preset output voltage, if being more than, is judged as that charging equipment meets first
Trigger condition is judged as that charging equipment is unsatisfactory for the first trigger condition if being no more than.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021056316A1 (en) * | 2019-09-26 | 2021-04-01 | 深圳市大疆创新科技有限公司 | Battery management apparatus and method, and system |
| CN115117996A (en) * | 2022-08-23 | 2022-09-27 | 如果新能源科技(江苏)股份有限公司 | Charging controller, control method of charging controller, and vehicle |
| CN116014866A (en) * | 2023-03-28 | 2023-04-25 | 赫里欧新能源有限公司 | Power supply method and system based on breeze wind power generation wall |
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