CN108183518A - Battery pack balance control method and device and balance control equipment - Google Patents
Battery pack balance control method and device and balance control equipment Download PDFInfo
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- CN108183518A CN108183518A CN201711242949.2A CN201711242949A CN108183518A CN 108183518 A CN108183518 A CN 108183518A CN 201711242949 A CN201711242949 A CN 201711242949A CN 108183518 A CN108183518 A CN 108183518A
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- Prior art keywords
- equalized
- battery core
- balanced
- time
- balance
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The embodiment of the invention discloses a battery pack balance control method and device and balance control equipment, wherein the control method comprises the following steps: when a power-off instruction of the whole vehicle is received or the charging of a battery pack is detected to be finished, determining a first to-be-equalized battery cell in the battery pack; calculating the first equalization required time of the first to-be-equalized battery cell; and controlling the first to-be-equalized battery cell to be equalized according to the first equalization required time. By the balance control method and device and the balance control equipment, the battery pack can be controlled to be started for balance after the whole vehicle is powered off or the battery pack is charged, and the problem of insufficient balance of the battery pack is solved.
Description
Technical field
The present invention relates to battery technology fields, and in particular to a kind of battery pack balancing control method and device and equilibrium
Control device.
Background technology
In recent years, the bright prospects of new-energy automobile have pushed the fast development of power battery industry, and power battery pack is made
For the core component of new-energy automobile, performance quality directly influences the performance of vehicle.
Power battery pack is to be made of multiple battery cores by being connected in series with, due to the presence of battery core self-discharge rate difference,
Battery pack will appear the problem of each battery core active volume is inconsistent after running a period of time, and each battery core differs in battery pack
Cause property is an important factor for whole group battery performance is caused to decline, it is therefore desirable to battery pack be carried out by balanced means balanced.
At present, the balancing procedure of battery pack is usually happened in battery pack charging or driving conditions, but for some operations
Time shorter vehicle can cause time for balance insufficient, it is impossible to meet equalization request.
Invention content
It can be realized after electricity or battery pack charge under vehicle an embodiment of the present invention provides one kind equal to battery pack
Weigh the battery pack balancing control method controlled and device and Balance route equipment.
According to an aspect of the invention, there is provided a kind of battery pack balancing control method, the control method include：
At the end of electricity instructs or detect battery pack charging in the case where receiving vehicle, determine that first in battery pack is to be equalized
Battery core；
Calculate the first balanced required time of the first battery core to be equalized；
According to the first balanced required time, control the battery core unlatching to be equalized to first balanced.
According to an aspect of the present invention, before in the case where receiving vehicle, electricity instructs or detects that battery pack charging terminates,
It further includes：
Determine the second battery core to be equalized in battery pack；
Calculate the second balanced required time of the second battery core to be equalized；
According to the second balanced required time, control the battery core unlatching to be equalized to second balanced.
According to an aspect of the present invention, the first battery core to be equalized in battery pack is determined, including：
At the end of determining in the case where receiving vehicle electricity instruction or detecting battery pack charging, to second, battery core to be equalized is opened
Open balanced duration；
The second battery core to be equalized corresponding to the second balanced required time of above-mentioned duration is will be greater than, is determined as in battery pack
The first battery core to be equalized.
According to an aspect of the present invention, the first balanced required time of the first battery core to be equalized is calculated, including：
By the corresponding to the first battery core to be equalized second time difference the time required to balanced with above-mentioned duration, it is determined as first and treats
The time required to the first of balanced battery core is balanced.
According to an aspect of the present invention, according to the first balanced required time, control the battery core unlatching to be equalized to first equal
Weighing apparatus, including：
First balanced required time is divided into more than one sub- time for balance；
Successively according to more than one sub- time for balance, to first battery core to be equalized is controlled to open the equilibrium of corresponding duration,
Until more than one sub- time for balance corresponding to equilibrium all perform or until the first battery core to be equalized meet it is preset
First balanced cut-off condition.
According to an aspect of the present invention, according to the first balanced required time, control the battery core unlatching to be equalized to first equal
Weighing apparatus, including：
According to the first time for balance, control the battery core unlatching to be equalized to first balanced, wherein, the first time for balance is not more than
The time required to first is balanced；
It controls to first after the equilibrium of first time for balance of battery core unlatching to be equalized, judges whether the first battery core to be equalized is full
The preset second balanced cut-off condition of foot；
If the first battery core to be equalized is unsatisfactory for the second balanced cut-off condition, the equilibrium of the first battery core to be equalized is recalculated
Required time, and using the balanced required time recalculated as the new first balanced required time.
According to another aspect of the present invention, a kind of cell balance control unit is provided, control device includes：
Main control module at the end of the electricity instruction in the case where receiving vehicle or detecting battery pack charging, determines battery
The first battery core to be equalized in group, calculate the first battery core to be equalized first it is balanced the time required to, send the to from control module
One Balance route instructs, and the instruction of the first Balance route includes the mark and the first of the first battery core to be equalized of the first battery core to be equalized
The time required to balanced；
From control module, for receiving the instruction of the first Balance route, first is to be equalized in being instructed according to the first Balance route
The mark of battery core and the first of the first battery core to be equalized the balanced required time control the battery core unlatching to be equalized to first balanced.
According to another aspect of the present invention, main control module is additionally operable to the electricity instruction in the case where receiving vehicle or detects
Before battery pack charging terminates, the second battery core to be equalized in battery pack is determined, calculate the second battery core to be equalized second is balanced
Required time sends the instruction of the second Balance route to from control module, and the instruction of the second Balance route includes the second battery core to be equalized
Mark and the second battery core to be equalized second it is balanced the time required to；
From control module, it is additionally operable to receive the instruction of the second Balance route, second treats in being instructed according to the second Balance route
The mark of weighing apparatus battery core and the second of the second battery core to be equalized the balanced required time control the battery core unlatching to be equalized to second balanced.
According to another aspect of the present invention, main control module, specifically for determine in the case where receiving vehicle electricity instruction or
At the end of detecting battery pack charging, to second, the balanced duration of battery core unlatching to be equalized, will be greater than the duration second are equal
The second battery core to be equalized corresponding to the time required to weighing, the first battery core to be equalized being determined as in battery pack.
According to another aspect of the present invention, main control module, specifically for will be second corresponding to the first battery core to be equalized
Balanced required time and the time difference of above-mentioned duration are determined as the first balanced required time of the first battery core to be equalized.
According to another aspect of the present invention, main control module is additionally operable to the first balanced required time being divided into one
Above sub- time for balance；
Main control module, specifically for according to more than one sub- time for balance, first is sent to from control module successively
Balanced sub- control instruction, until the equilibrium corresponding to more than one sub- time for balance all performs or until first treats
Weighing apparatus battery core meets the preset first balanced cut-off condition, wherein, the first balanced sub- control instruction includes the first battery core to be equalized
One sub- time for balance of mark and the first battery core to be equalized；
It is to be equalized according in balanced sub- control instruction first specifically for receiving balanced sub- control instruction from control module
The mark of battery core and a sub- time for balance of the first battery core to be equalized control the battery core unlatching to be equalized to first balanced.
According to another aspect of the present invention, main control module, specifically for according to the first time for balance, to from control mould
Block sends the second balanced sub- control instruction, after the corresponding equilibrium of the first time for balance is completed, judges that the first battery core to be equalized is
It is no to meet the preset second balanced cut-off condition, when the first battery core to be equalized is unsatisfactory for the second balanced cut-off condition, count again
The balanced required time of the first battery core to be equalized is calculated, and the balanced required time recalculated is taken as the first equilibrium
Between；
Wherein, the second balanced sub- control instruction includes the mark and the first of the first battery core to be equalized of the first battery core to be equalized
Time for balance, wherein, the time required to the first time for balance is balanced no more than first；
From control module, specifically for receiving the second balanced sub- control instruction, according in the second balanced sub- control instruction the
The mark of one battery core to be equalized and the first time for balance of the first battery core to be equalized control the battery core unlatching to be equalized to first equal
Weighing apparatus.
According to another aspect of the present invention, equalising control device further includes clock wake-up module；
Main control module is additionally operable to, to when sending Balance route instruction from control module, send to clock wake-up module
Dormancy awakening instruct and enter suspend mode and receive clock wake-up module transmission wake-up signal after, from suspend mode mould
Formula enters operating mode, wherein, dormancy awakening instruction includes the dormancy awakening time, and the dormancy awakening time is equal to needed for the first equilibrium
Time；
Clock wake-up module for starting timing after dormancy awakening instruction is received, is equal to dormancy awakening in timing duration
During the time wake-up signal is sent to main control module.
According to another aspect of the present invention, it from control module, is additionally operable to controlling the battery core unlatching to be equalized to first equal
After weighing apparatus, the duration after battery core unlatching to be equalized is balanced to first into low-power consumption mode and in control is equal to the first balanced institute
When taking time, control the battery core closing to be equalized to first balanced.
The another aspect of the embodiment of the present invention, provides a kind of Balance route equipment, and Balance route equipment includes memory
And processor；
Memory is used to store computer program；
Processor is used to perform the computer program stored in memory, to realize the equilibrium in any embodiment of the present invention
Control method.
Another aspect of the embodiment of the present invention provides a kind of computer readable storage medium, computer-readable storage medium
Computer instruction is stored in matter, when computer instruction is run on computers so that computer performs any reality of the present invention
Apply the balance control method of example.
Balance control method and device provided in an embodiment of the present invention and Balance route equipment, by receiving under vehicle
Electricity instruction or the charged state of detection battery pack, to determine the operating status of battery pack, also can when battery pack is out of service
Realize the Balance route to battery core.Scheme through the embodiment of the present invention, electricity or battery pack remain to after charging under vehicle
Enough control opens battery pack balanced, solves that the battery pack balancing caused by battery runtime deficiency is insufficient to ask
Topic.
Description of the drawings
The detailed description made referring to the drawings to non-limiting example by reading, other feature of the invention,
Objects and advantages will become more apparent upon, wherein, the same or similar reference numeral represents the same or similar feature.
The flow diagram of a kind of battery pack balancing control method that Fig. 1 is provided in showing according to embodiments of the present invention；
Fig. 2 shows according to the schematic structure of a kind of cell balance control unit provided in one embodiment of the invention
Block diagram；
Fig. 3 shows the schematic knot according to a kind of cell balance control unit provided in another embodiment of the present invention
Structure block diagram；
Fig. 4 shows showing for the computing device of the battery pack balancing control method that can realize the embodiment of the present invention and device
Meaning property structural frames.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing to these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood from the present invention to provide.The present invention never limits
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing the present invention.
Fig. 1 shows the flow diagram of a kind of battery pack balancing control method provided in one embodiment of the invention,
In, which can specifically be performed by battery management unit (Battery Management Unit, BMU).Such as figure
Shown in 1, the battery pack balancing control method of the embodiment of the present invention mainly may comprise steps of：
Step S11：The electricity instruction or at the end of detecting battery pack charging in the case where receiving vehicle, determines the in battery pack
One battery core to be equalized.
Each battery core in battery pack causes capacity small battery during charging easily to overcharge due to the individual difference between battery,
The small battery of capacity again put by easy mistake during electric discharge, and so as to cause battery damage, the capacity of battery pack reduces.Therefore, it is necessary to electricity
Battery core in the group of pond carries out equalization operation, so that each battery core reaches balanced consistent state in battery pack, improves battery pack
Overall performance.
Since the equilibrium of battery core in battery pack is happened in battery pack charging process either in driving conditions
In, this may result in shorter or when running time is shorter in the battery pack charging time, and the time for balance of battery core is insufficient in battery pack
The problem of.
In the embodiment of the present invention, during driving or battery pack charge according to Balance route to battery pack in battery core
Carry out balanced, and driving states to vehicle and the charging and discharging state of battery pack are detected, and in the case where receiving vehicle, electricity refers to
Enable or detect that battery pack (when i.e. battery pack is out of service), determines the first battery core to be equalized in battery pack at the end of charging,
With realization after a stoppage or after battery pack charging, continue to control to the battery core to be equalized of balanced first is needed to open equilibrium,
To solve the problems, such as that battery core time for balance is insufficient.
In an alternate embodiment of the present invention, determine the first battery core to be equalized in battery pack, can include：
Obtain the battery core status information of all battery cores in battery pack；
According to the battery core status information of all battery cores, the first battery core to be equalized in battery pack is determined.
Wherein, above-mentioned battery core status information includes but not limited to the voltage value of battery core and/or state-of-charge (State of
Charge, SOC) information such as value.In driving or battery pack charging process, voltage that BMU can be to battery core each in battery pack, temperature
Etc. status informations be monitored, to determine to need to open balanced battery core according to monitoring result.
In the embodiment of the present invention, according to the battery core status information of all battery cores, the first electricity to be equalized in battery pack is determined
The concrete mode of core can may be used and any of battery core to be equalized is determined in existing battery pack balancing according to actual needs
Mode.The first battery core to be equalized in battery pack may be one or more.
In an alternate embodiment of the present invention, determine the first battery core to be equalized in battery pack, can include：
Obtain the SOC value of each battery core in battery pack；
The difference of the SOC value of each battery core and the minimum SOC value in the SOC value of each battery core is calculated respectively；
By difference more than the first battery core to be equalized that the battery core of given threshold is determined as in battery pack.
The battery core of SOC value minimum is as benchmark i.e. using in battery pack, if the SOC value of other battery cores and the benchmark battery core
The difference of SOC value is more than given threshold, it is determined that corresponding battery core needs to carry out equilibrium, is the first battery core to be equalized.
It is understood that it in practical applications, can also be determined in battery pack with the voltage or other information of each battery core
Battery core to be equalized when, for example, can be using the battery core of voltage value minimum as benchmark, by voltage value and the voltage value of benchmark battery core
Difference be more than setting value battery core be determined as battery core to be equalized.
In an alternate embodiment of the present invention, before in the case where receiving vehicle, electricity instructs or detects that battery pack charging terminates,
It further includes：
Determine the second battery core to be equalized in battery pack；
Calculate the second balanced required time of the second battery core to be equalized；
According to the second balanced required time, control the battery core progress to be equalized to second balanced.
In the embodiment of the present invention, before in the case where receiving vehicle, electricity instructs or detect that battery pack charging terminates, that is, it is expert at
Vehicle or in battery pack charging process, can also be monitored the state (voltage, SOC value etc.) of battery core each in battery pack, control
It makes balanced to needing to carry out the second battery core to be equalized of equalization operation to open in battery pack.
In an alternate embodiment of the present invention, the first battery core to be equalized in battery pack is determined, including：
At the end of determining in the case where receiving vehicle electricity instruction or detecting battery pack charging, to second, battery core to be equalized is opened
Open balanced duration；
The second battery core to be equalized corresponding to the second balanced required time of above-mentioned duration is will be greater than, is determined as in battery pack
The first battery core to be equalized.
In the embodiment of the present invention, if during the second battery core to be equalized carries out equilibrium, have received electric under vehicle
It instructs or detects battery pack charging to terminate, then can directly be taken at this time according to the second of the second battery core to be equalized the equilibrium
Between and time for balance (i.e. above-mentioned duration) that battery core to be equalized is opened to second, to determine to receive electricity instruction under vehicle or examine
It needs to continue balanced battery core at the end of measuring battery pack charging.It is more than the time required to if the second of some battery core is balanced
It is balanced then to show that the battery core also needs to continue for above-mentioned duration.
It is understood that in driving or battery pack charging process, it, may during equilibrium is carried out to battery core
Since the temperature of battery core is excessively high or other factors, temporarily cease the equilibrium to battery core, battery core temperature or other parameters again
When meeting balanced unlocking condition, it is further continued for carrying out equilibrium to battery core, it is, in driving or battery pack charging process, it is balanced
May be interruption, therefore, above-mentioned to second, battery core to be equalized opens balanced duration to be not necessarily equal to second to be equalized
The time difference at the end of electricity under vehicle instructs or detect battery pack charging is periodically carved and receive really to battery core, according to second
When battery core to be equalized determines the first battery core to be equalized, then need according to second, the balanced duration of battery core unlatching to be equalized comes really
Time difference between the fixed rather than above-mentioned two moment.
Step S12：Calculate the first balanced required time of the first battery core to be equalized.
In an alternate embodiment of the present invention, determining that above-mentioned first is to be equalized according to the SOC value based on battery core in step S11
During battery core, the first balanced required time of the first battery core to be equalized is calculated, can be included：
According to the difference of the SOC value of the rated capacity of the first battery core to be equalized and the first battery core to be equalized and minimum SOC value
Value calculates the required equalization volume of the first battery core to be equalized；It is to be equalized that first is calculated according to required equalization volume and euqalizing current
The time required to the first of battery core is balanced.
Generally, required equalization volume divided by euqalizing current can be calculated to the first equilibrium of the first battery core to be equalized
Required time.
In an alternate embodiment of the present invention, the first balanced required time of the first battery core to be equalized is calculated, including：
By the corresponding to the first battery core to be equalized second time difference the time required to balanced with above-mentioned duration, it is determined as first and treats
The time required to the first of balanced battery core is balanced.
In the embodiment of the present invention, determined the time required to the second equilibrium according to the second battery core to be equalized with above-mentioned duration
After first battery core to be equalized, the second required continuation time for balance of battery core to be equalized corresponding with the first battery core to be equalized, i.e.,
The first balanced required time for first battery core to be equalized.For example, electricity instructs or detects battery pack in the case where receiving vehicle
Before charging terminates, the second balanced required time of some the second battery core to be equalized is 2 hours, the electricity instruction in the case where receiving vehicle
Or at the end of detecting battery pack charging, which is had turned on the balanced time it is i.e. above-mentioned when a length of 1 hour,
Then for second battery core to be equalized to be first battery core to be equalized, the first time for balance of first battery core to be equalized is 1
Hour.
Step S13：According to the first balanced required time, control the battery core unlatching to be equalized to first balanced.
, can be directly according to the first balanced required time in an alternate embodiment of the present invention, disposable control is treated to first
Balanced battery core carries out balanced.For example, time for balance needed for the first battery core to be equalized is 1 hour, then it can control and be treated to first
Weighing apparatus battery core disposable opening equilibrium in 1 hour.
In an alternate embodiment of the present invention, according to the first balanced required time, control the battery core progress to be equalized to first equal
Weighing apparatus, including：
First balanced required time is divided into more than one sub- time for balance；
Successively according to more than one sub- time for balance, to first battery core to be equalized is controlled to open the equilibrium of corresponding duration,
Until more than one sub- time for balance corresponding to equilibrium all perform or until the first battery core to be equalized meet it is preset
First balanced cut-off condition.
In the embodiment of the present invention, when controlling the battery core progress equilibrium to be equalized to first, the side of time fragmentation may be used
To first, battery core progress to be equalized is balanced for formula control.For example, the time required to the first of the first battery core to be equalized determined is balanced
It is 2 hours, then 2 hours can be divided into 21 hour, first control and equilibrium in 1 hour is opened to the battery core, then judgement is
It is no to have met the first balanced cut-off condition, if it is satisfied, then terminate the Balance route to the battery core, if it is not, can be with
It controls again and equilibrium in 1 hour is opened to it.
Wherein, the first balanced cut-off condition can be set according to practical application.For example, the first balanced cut-off item
Part can be that the difference of the SOC value and above-mentioned minimum SOC value of battery core is less than setting value, be preset alternatively, the voltage value of battery core meets
Range of voltage values etc..
Using the Balance route mode of fragmentation, can control to first battery core to be equalized carry out it is balanced during,
To first, the battery status (such as voltage value or SOC value) of battery core to be equalized is constantly monitored, so as to according to battery core
Current state it is balanced to control whether to need to continue to open the battery core.
In an alternate embodiment of the present invention, according to the first balanced required time, control the battery core progress to be equalized to first equal
Weighing apparatus, including：
According to the first time for balance, control the battery core progress to be equalized to first balanced, wherein, the first time for balance is not more than
The time required to first is balanced；
After the corresponding equilibrium of the first time for balance is completed, judge whether the first battery core to be equalized meets preset second
Weigh cut-off condition；
If the first battery core to be equalized is unsatisfactory for the second balanced cut-off condition, the equilibrium of the first battery core to be equalized is recalculated
Required time, and using the balanced required time recalculated as the first balanced required time.
It is to be equalized to first using first controlling when controlling the battery core progress equilibrium to be equalized to first in the embodiment of the present invention
Battery core carries out the equilibrium of a period of time (the first time for balance), then recalculates equilibrium required time, is taken with new equilibrium
Between control to first battery core to be equalized again into balanced mode so as to first, the control of time for balance needed for battery core to be equalized is more
Accurately, portfolio effect is improved.
It should be understood that the second balanced cut-off condition is also that can be set according to practical application.Second
Weighing apparatus cut-off condition cut-off condition balanced with first may be the same or different.
Fig. 2 shows a kind of structure diagrams for cell balance control unit that one embodiment of the invention provides.Such as Fig. 2
Shown, which can include main control module 110 and from control module 120.
Main control module 110 at the end of the electricity instruction in the case where receiving vehicle or detecting battery pack charging, determines electricity
The first battery core to be equalized in the group of pond calculates the first balanced required time of the first battery core to be equalized, is sent to from control module
First Balance route instructs, and the instruction of the first Balance route includes the mark and the of the first battery core to be equalized of the first battery core to be equalized
The time required to one is balanced；
From control module 120, for receiving the instruction of the first Balance route, first treats in being instructed according to the first Balance route
The mark of weighing apparatus battery core and the first of the first battery core to be equalized the balanced required time control the battery core unlatching to be equalized to first balanced.
In the embodiment of the present invention, main control module 110 is after the first battery core to be equalized is determined, by the first battery core to be equalized
In each battery core mark and each battery core first it is balanced the time required to be sent to from control module 120, by from control mould
Block 120 opens equilibrium according to the balanced required time control of each battery core to each battery core, i.e., by being controlled respectively from control module 120
The equalizer switch for making each first battery core to be equalized is closed, so that the equalizing circuit of each battery core is opened.
It is understood that the modules in equalising control device of the embodiment of the present invention 100 can be integrally disposed, also may be used
To be provided separately.For example, it is peripheral necessary to Master control chip and Master control chip that main control module 110, which can be implemented separately,
Circuit, from control module 120 can be implemented separately for from control chip and from control chip necessary to peripheral circuit.
In an alternate embodiment of the present invention, from control module 120, it is additionally operable to obtain the battery of all battery cores in battery pack
Status information, and the battery status information of all battery cores is sent to main control module 110.
Main control module 110 specifically for the battery status information according to all battery cores, determines that first in battery pack is treated
Balanced battery core.
In the embodiment of the present invention, it can be adopted by the battery status information that each battery core in battery pack is performed from control module 120
Collect and control is instructed to be turned on and off the balanced of battery core according to the Balance route of main control module 110, by master control molding
Block 110 determines the first battery core to be equalized according to the battery status information from the collected each battery core of control module 120, calculates the
The time required to one is balanced, and Balance route instruction is sent to from control module 120.
In an alternate embodiment of the present invention, main control module 110 is additionally operable to the electricity instruction in the case where receiving vehicle or detects
Before battery pack charging terminates, the second battery core to be equalized in battery pack is determined, calculate the second battery core to be equalized second is balanced
Required time sends the instruction of the second Balance route to from control module, and the instruction of the second Balance route includes the second battery core to be equalized
Mark and the second battery core to be equalized second it is balanced the time required to.
From control module 120, it is additionally operable to receive the instruction of the second Balance route, second treats in being instructed according to the second Balance route
The mark of balanced battery core and the second of the second battery core to be equalized the balanced required time control the battery core unlatching to be equalized to second equal
Weighing apparatus.
In an alternate embodiment of the present invention, main control module 110, specifically for determine in the case where receiving vehicle electricity instruction or
At the end of detecting battery pack charging, to second, the balanced duration of battery core unlatching to be equalized, will be greater than the duration second are equal
The second battery core to be equalized corresponding to the time required to weighing, the first battery core to be equalized being determined as in battery pack.
In an alternate embodiment of the present invention, main control module 110, specifically for will be second corresponding to the first battery core to be equalized
Balanced required time and the time difference of above-mentioned duration are determined as the first balanced required time of the first battery core to be equalized.
In an alternate embodiment of the present invention, main control module 110 is additionally operable to the first balanced required time being divided into one
Above sub- time for balance.
Specifically for successively according to more than one sub- time for balance, the is sent to from control module for main control module 110
One balanced sub- control instruction, until the equilibrium corresponding to more than one sub- time for balance all performs or until first treats
Balanced battery core meets the preset first balanced cut-off condition, wherein, the first balanced sub- control instruction includes the first battery core to be equalized
Mark and the first battery core to be equalized a sub- time for balance.
From control module 120, specifically for receiving balanced sub- control instruction, treated according in balanced sub- control instruction first
The mark for the battery core that weighs and a sub- time for balance of the first battery core to be equalized control the battery core unlatching to be equalized to first balanced.
In the embodiment of the present invention, main control module 110 may be used the mode of fragmentation and send the to from control module 120
The balanced sub- control instruction of the first of one battery core to be equalized, it is main after the completion of the corresponding equilibrium of the every time first sub- control instruction of equilibrium
Control module 110 is by determining whether the first battery core to be equalized has met the first balanced cut-off condition or all fragmentations
Equilibrium corresponding to sub- time for balance is fully completed, and equilibrium is continued on to the battery core to determine whether needing to control, so as to
Enough battery packs that reduces to a certain extent complete the balanced required time, realize the more accurate control operated to battery pack balancing.
In an alternate embodiment of the present invention, main control module 110, specifically for according to the first time for balance, to from control
Module 120 sends the second balanced sub- control instruction, after the corresponding equilibrium of the first time for balance is completed, judges the first electricity to be equalized
Whether core meets the preset second balanced cut-off condition, when the first battery core to be equalized is unsatisfactory for the second balanced cut-off condition, weight
The balanced required time of the first battery core to be equalized is newly calculated, and using the balanced required time recalculated as needed for the first equilibrium
Time；
Wherein, the second balanced sub- control instruction includes the mark and the first of the first battery core to be equalized of the first battery core to be equalized
Time for balance, wherein, the time required to the first time for balance is balanced no more than first；
From control module 120, specifically for receiving the second balanced sub- control instruction, according in the second balanced sub- control instruction
The mark of first battery core to be equalized and the first time for balance of the first battery core to be equalized control the battery core unlatching to be equalized to first equal
Weighing apparatus.
In an alternate embodiment of the present invention, equalising control device further includes clock wake-up module 130, as shown in Figure 3.
Main control module 110 is additionally operable to when to from control module transmission Balance route instruction, to clock wake-up module
130 transmission dormancy awakenings instruct and enter suspend mode and receive clock wake-up module 130 send wake-up signal
Afterwards, enter operating mode from suspend mode, wherein, dormancy awakening instruction includes the dormancy awakening time, and the dormancy awakening time is equal to
The time required to first is balanced.
Clock wake-up module 130 for starting timing after dormancy awakening instruction is received, is called out in timing duration equal to suspend mode
During the awake time wake-up signal is sent to main control module 110.
Using the program of the embodiment of the present invention, the power consumption of equalising control device 100 can be effectively reduced, reduces device
Power consumption.
It is understood that suspend mode, that is, power-down mode, refers to that main control module 110 is completed needed for its functions
Correlation function (as receiving under vehicle functional unit that electricity instruction or detection battery pack charging terminate, for determining
The functional unit of the first battery core to be equalized in battery pack, for calculate the first of the first battery core to be equalized it is balanced the time required to
Functional unit, to functional unit etc. that the instruction of the first Balance route is sent from control module) and the wholly off work such as peripheral circuit
Make, dormancy awakening instruction is that main control module 110 enters the final injunction performed before suspend mode.Main control unit 110 is connecing
When receiving above-mentioned wake-up signal, wake-up signal triggering main control module 110 restores from suspend mode to normal mode of operation.
In the embodiment of the present invention, main control module 110 can be integrally disposed with clock wake-up module 130, can also be independent
Setting.That is, clock wake-up module 130 can be a part for main control module 110 or one individual
Point.
In the embodiment of the present invention, clock wake-up module 130 can be implemented as clock.
In an alternate embodiment of the present invention, from control module 120, it is additionally operable to controlling the battery core unlatching to be equalized to first equal
After weighing apparatus, the duration after battery core unlatching to be equalized is balanced to first into low-power consumption mode and in control is equal to the first balanced institute
When taking time, control the battery core closing to be equalized to first balanced.
In the embodiment of the present invention, from control module 120 control to first battery core to be equalized open it is balanced after, pass through entrance
Low-power consumption mode, so as to further reduced the power consumption of device.
It is understood that low-power consumption mode refers to control only to open from control module 120 completing Balance route institute
Other non-essential parts are closed in necessary part.For example, it is used to that battery core equilibrium be controlled to open and control from control module 120
The control function part that battery core equilibrium processed is closed and the portion for receiving the Balance route instruction of the transmission of main control module 110
Divide, belong to necessarily be in the part of operating mode from control module 120, and after control is opened to the equilibrium of battery core, it is used for
The part or peripheral components and circuit etc. for obtaining the battery status information of battery core can then be used as non-essential part.
Certainly, in practical applications, can also be implemented according to practical application request and the different of equalising control device 100
Example, it is partly to need the part continued on when entering low-power consumption mode from control module 120 which, which is pre-configured with, which is
The part that can be closed.
The battery pack balancing control method and device of the embodiment of the present invention, by it is electric under vehicle when or inspection battery pack charge
At the end of, it controls and equilibrium is continued to battery pack, extend the time for balance of battery pack, solve due to driving or charging time mistake
It is short, the problem of causing to can be used the too short caused battery pack balancing of time for balance insufficient, better meet the reality of battery pack
The equalization requirement on border.
It is understood that the equalising control device 100 of the embodiment of the present invention, can correspond to the equal of the embodiment of the present invention
The executive agent for the control method that weighs, the detail of the operation and/or function of the modules of equalising control device 100 can join
The description of the corresponding portion in the balance control method of the embodiments of the present invention is seen, for sake of simplicity, details are not described herein.
With reference at least the one of Fig. 1 to Fig. 3 battery pack balancing control methods according to embodiments of the present invention described and device
Part can be realized by computing device.Fig. 4 shows the schematic block diagram of computing device according to embodiments of the present invention.Such as
Shown in Fig. 4, computing device 400 can connect including input equipment 401, input interface 402, processor 403, memory 404, output
Mouth 405 and output equipment 406.Wherein, input interface 402, processor 403, memory 404 and output interface 405 are logical
Bus 410 is crossed to be connected with each other, input equipment 401 and output equipment 406 respectively by input interface 402 and output interface 405 with
Bus 410 connects, and then is connect with the other assemblies of computing device 400.Specifically, input equipment 401 is received from outside
Information (for example, electricity instruction under the vehicle of reception VGU) is inputted, and passes through input interface 402 and is transmitted to processor by information is inputted
403；Processor 403 handles input information based on the computer executable instructions stored in memory 404 defeated to generate
Go out information, output information is temporarily or permanently stored in memory 404, then will be exported and believed by output interface 405
Breath is transmitted to output equipment 406；Output information is output to the outside of computing device 400 for users to use by output equipment 406.
That is, computing device 400 shown in Fig. 4 may be implemented as Balance route equipment, the Balance route equipment
Including memory 403 and processor 404.For storing computer program, processor 404 is used to perform memory memory 403
The computer program stored in 403, to realize the balance control method in any embodiment of the present invention.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored in computer readable storage medium
Computer instruction, when computer instruction is run on computers so that computer performs equal in any embodiment of the present invention
Weigh control method.
Structures described above frame functional block shown in figure can be implemented as hardware, software, firmware or their group
It closes.When realizing in hardware, it may, for example, be electronic circuit, application-specific integrated circuit (ASIC), appropriate firmware, insert
Part, function card etc..When being realized with software mode, element of the invention is used to perform program or the generation of required task
Code section.Either code segment can be stored in machine readable media program or the data-signal by being carried in carrier wave is passing
Defeated medium or communication links are sent." machine readable media " can include being capable of any medium of storage or transmission information.
The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), soft
Disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via such as internet, inline
The computer network of net etc. is downloaded.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
Also there are other identical elements in the process of the element, method, article or equipment.
It should also be noted that, the exemplary embodiment referred in the present invention, is retouched based on a series of step or device
State certain methods or system.But the present invention is not limited to the sequence of above-mentioned steps, that is to say, that can be according in embodiment
The sequence referred to performs step, may also be distinct from that the sequence in embodiment or several steps are performed simultaneously.
The present invention can realize in other specific forms, without departing from its spirit and essential characteristics.Therefore, current reality
Apply example be all counted as being exemplary rather than in all respects it is limited, the scope of the present invention by appended claims rather than on
State description definition, also, fall into claim meaning and equivalent in the range of whole change all to be included in this
Among the range of invention.
Claims (16)
1. a kind of battery pack balancing control method, which is characterized in that the control method includes：
At the end of electricity instructs or detect battery pack charging in the case where receiving vehicle, determine that first in the battery pack is to be equalized
Battery core；
Calculate the first balanced required time of the described first battery core to be equalized；
According to the described first balanced required time, control the battery core unlatching to be equalized to described first balanced.
2. balance control method according to claim 1, which is characterized in that electricity instruction or the inspection in the case where receiving vehicle
Measure battery pack charging terminate before, further include：
Determine the second battery core to be equalized in the battery pack；
Calculate the second balanced required time of the described second battery core to be equalized；
According to the described second balanced required time, control the battery core unlatching to be equalized to described second balanced.
3. balance control method according to claim 2, which is characterized in that first in the determining battery pack treats
Balanced battery core, including：
At the end of determining the electricity instruction in the case where receiving vehicle or detecting battery pack charging, the described second battery core to be equalized is opened
Open balanced duration；
The described second battery core to be equalized corresponding to the described second balanced required time of the duration is will be greater than, is determined as described
The first battery core to be equalized in battery pack.
4. balance control method according to claim 3, which is characterized in that calculating first battery core to be equalized
The time required to first is balanced, including：
By the corresponding to the described first battery core to be equalized described second time difference the time required to balanced with the duration, it is determined as institute
State the first balanced required time of the first battery core to be equalized.
5. balance control method according to claim 1, which is characterized in that according to the described first balanced required time, control
Battery core unlatching to be equalized is balanced to described first for system, including：
Described first balanced required time is divided into more than one sub- time for balance；
Successively according to one above sub- time for balance, the battery core to be equalized to described first is controlled to open the equal of corresponding duration
Weighing apparatus, until the equilibrium corresponding to one above sub- time for balance all performs or until the described first electricity to be equalized
Core meets the preset first balanced cut-off condition.
6. balance control method according to claim 1, which is characterized in that described to be taken according to the described first equilibrium
Between, control the battery core unlatching to be equalized to described first balanced, including：
According to the first time for balance, control the battery core unlatching to be equalized to described first balanced, wherein, first time for balance is not
The time required to balanced more than described first；
It controls to described first after the equilibrium of battery core unlatching to be equalized first time for balance, judges the described first electricity to be equalized
Whether core meets the preset second balanced cut-off condition；
If first battery core to be equalized is unsatisfactory for the described second balanced cut-off condition, the described first electricity to be equalized is recalculated
The balanced required time of core, and using the balanced required time recalculated as the described first new balanced required time.
7. a kind of cell balance control unit, which is characterized in that the control device includes：
Main control module at the end of the electricity instruction in the case where receiving vehicle or detecting battery pack charging, determines the battery
The first battery core to be equalized in group calculates the first balanced required time of first battery core to be equalized, to described from control mould
Block sends the instruction of the first Balance route, and first Balance route instruction includes the mark of the described first battery core to be equalized and described
The time required to the first of first battery core to be equalized is balanced；
From control module, for receiving the first Balance route instruction, the according to first Balance route instruction
The mark of one battery core to be equalized and the first of the described first battery core to be equalized the balanced required time, control to be equalized to described first
Battery core is opened balanced.
8. equalising control device according to claim 7, which is characterized in that
The main control module before being additionally operable to the electricity instruction in the case where receiving vehicle or detecting that battery pack charging terminates, determines
The second battery core to be equalized in the battery pack, calculate second battery core to be equalized second it is balanced the time required to, to described
The instruction of the second Balance route is sent from control module, the second Balance route instruction includes the mark of the described second battery core to be equalized
Know the second balanced required time with the described second battery core to be equalized；
It is described from control module, be additionally operable to receive the second Balance route instruction, in being instructed according to second Balance route
The mark of second battery core to be equalized and the second of the described second battery core to be equalized the balanced required time, control to described second
Battery core to be equalized is opened balanced.
9. equalising control device according to claim 8, which is characterized in that
The main control module, at the end of determining the electricity instruction in the case where receiving vehicle or detecting battery pack charging,
The balanced duration of battery core unlatching to be equalized to described second, the described second balanced required time institute that will be greater than the duration are right
The described second battery core to be equalized answered, the first battery core to be equalized being determined as in the battery pack.
10. equalising control device according to claim 9, which is characterized in that
The main control module, specifically for by corresponding to the described first battery core to be equalized described second it is balanced the time required to and institute
The time difference of duration is stated, is determined as the first balanced required time of the described first battery core to be equalized.
11. equalising control device according to claim 7, which is characterized in that
The main control module is additionally operable to the described first balanced required time being divided into more than one sub- time for balance；
The main control module, specifically for successively according to one above sub- time for balance, to described from control module
Send the first balanced sub- control instruction, until the equilibrium corresponding to one above sub- time for balance all perform or
Until the described first battery core to be equalized meets the preset first balanced cut-off condition, wherein, the described first balanced sub- control instruction
One sub- time for balance of mark and the described first battery core to be equalized including the described first battery core to be equalized；
It is described from control module, specifically for receiving the sub- control instruction of equilibrium, according in the sub- control instruction of equilibrium
The mark of first battery core to be equalized and a sub- time for balance of the described first battery core to be equalized, control to described the
One battery core to be equalized is opened balanced.
12. equalising control device according to claim 7, which is characterized in that
The main control module, specifically for according to the first time for balance, the second balanced son control is sent from control module to described
After the corresponding equilibrium of first time for balance is completed, it is default to judge whether the described first battery core to be equalized meets for system instruction
The second balanced cut-off condition, when the described first battery core to be equalized is unsatisfactory for the described second balanced cut-off condition, recalculate
The balanced required time of first battery core to be equalized, and using the balanced required time recalculated as the described first balanced institute
It takes time；
Wherein, the described second balanced sub- control instruction includes the mark of the described first battery core to be equalized and first electricity to be equalized
First time for balance of core, wherein, the time required to first time for balance is balanced no more than described first；
It is described from control module, specifically for receiving the described second balanced sub- control instruction, according to the described second balanced son control
The mark of first battery core to be equalized described in instruction and first time for balance of the described first battery core to be equalized, control to institute
It states the first battery core to be equalized and opens equilibrium.
13. equalising control device according to claim 7, which is characterized in that the equalising control device further includes clock
Wake-up module；
The main control module is additionally operable to, to during the transmission Balance route instruction from control module, wake up to the clock
Module sends dormancy awakening and instruct and enter suspend mode and in the wake-up signal for receiving clock wake-up module transmission
Afterwards, enter operating mode from the suspend mode, wherein, the dormancy awakening instruction includes dormancy awakening time, the suspend mode
Wakeup time is equal to the described first balanced required time；
The clock wake-up module for starting timing after the dormancy awakening instruction is received, is equal to described in timing duration
During the dormancy awakening time wake-up signal is sent to the main control module.
14. equalising control device according to claim 7, which is characterized in that
It is described from control module, be additionally operable to control to described first battery core to be equalized open it is balanced after, into low-power consumption mode,
And control to described first battery core to be equalized open it is balanced after duration be equal to first equilibrium the time required to when, control
To described first, battery core closing to be equalized is balanced.
15. a kind of Balance route equipment, which is characterized in that the Balance route equipment includes memory and processor；
The memory is used to store computer program；
The processor is used to perform the computer program stored in the memory, to realize as any in claim 1 to 6
Balance control method described in.
16. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Instruction, when the computer instruction is run on computers so that computer is performed such as any one of claim 1 to 6 institute
The balance control method stated.
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| CN201711242949.2A CN108183518B (en) | 2017-11-30 | 2017-11-30 | Battery pack balance control method and device and balance control equipment |
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| CN201711242949.2A CN108183518B (en) | 2017-11-30 | 2017-11-30 | Battery pack balance control method and device and balance control equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823232A (en) * | 2019-01-29 | 2019-05-31 | 北京长城华冠汽车科技股份有限公司 | Battery balanced control method, device, battery management system and vehicle |
| CN109823233A (en) * | 2019-03-27 | 2019-05-31 | 深圳天顺智慧能源科技有限公司 | The battery management method and system of adjusting with voltage |
| CN110896233A (en) * | 2018-09-12 | 2020-03-20 | 宁德时代新能源科技股份有限公司 | Battery management system |
| CN111025160A (en) * | 2019-12-25 | 2020-04-17 | 保定长安客车制造有限公司 | Battery management system and method based on wireless communication |
| CN114069781A (en) * | 2021-11-09 | 2022-02-18 | 联合汽车电子有限公司 | Battery cell balancing method of battery pack |
| CN114523879A (en) * | 2022-01-12 | 2022-05-24 | 北京新能源汽车股份有限公司 | Active balance control method and system for power battery and vehicle-mounted terminal controller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100019725A1 (en) * | 2006-12-14 | 2010-01-28 | Toshiyuki Nakatsuji | Set battery control method and set battery control circuit as well as charging circuit and battery pack having the set battery control circuit |
| CN102856949A (en) * | 2011-06-29 | 2013-01-02 | 株式会社丰田自动织机 | Cell balance control device and cell balance controlling method |
| CN102918738A (en) * | 2010-06-09 | 2013-02-06 | 丰田自动车株式会社 | Vehicle battery-pack equalization system and vehicle battery-pack equalization method |
| US20140225622A1 (en) * | 2011-09-08 | 2014-08-14 | Hitachi Vehicle Energy, Ltd. | Battery system monitoring device |
| CN107244244A (en) * | 2017-06-01 | 2017-10-13 | 北京新能源汽车股份有限公司 | Charge control method and system |
| CN107298028A (en) * | 2017-06-08 | 2017-10-27 | 北京新能源汽车股份有限公司 | A kind of intelligent charge control method, device, entire car controller and electric automobile |
-
2017
- 2017-11-30 CN CN201711242949.2A patent/CN108183518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100019725A1 (en) * | 2006-12-14 | 2010-01-28 | Toshiyuki Nakatsuji | Set battery control method and set battery control circuit as well as charging circuit and battery pack having the set battery control circuit |
| CN102918738A (en) * | 2010-06-09 | 2013-02-06 | 丰田自动车株式会社 | Vehicle battery-pack equalization system and vehicle battery-pack equalization method |
| CN102856949A (en) * | 2011-06-29 | 2013-01-02 | 株式会社丰田自动织机 | Cell balance control device and cell balance controlling method |
| US20140225622A1 (en) * | 2011-09-08 | 2014-08-14 | Hitachi Vehicle Energy, Ltd. | Battery system monitoring device |
| CN107244244A (en) * | 2017-06-01 | 2017-10-13 | 北京新能源汽车股份有限公司 | Charge control method and system |
| CN107298028A (en) * | 2017-06-08 | 2017-10-27 | 北京新能源汽车股份有限公司 | A kind of intelligent charge control method, device, entire car controller and electric automobile |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896233A (en) * | 2018-09-12 | 2020-03-20 | 宁德时代新能源科技股份有限公司 | Battery management system |
| CN110896233B (en) * | 2018-09-12 | 2021-07-30 | 宁德时代新能源科技股份有限公司 | Battery management system |
| US11251630B2 (en) | 2018-09-12 | 2022-02-15 | Contemporary Amperex Technology Co., Limited | Battery management system with wireless communication unit |
| CN109823232A (en) * | 2019-01-29 | 2019-05-31 | 北京长城华冠汽车科技股份有限公司 | Battery balanced control method, device, battery management system and vehicle |
| CN109823233A (en) * | 2019-03-27 | 2019-05-31 | 深圳天顺智慧能源科技有限公司 | The battery management method and system of adjusting with voltage |
| CN111025160A (en) * | 2019-12-25 | 2020-04-17 | 保定长安客车制造有限公司 | Battery management system and method based on wireless communication |
| CN114069781A (en) * | 2021-11-09 | 2022-02-18 | 联合汽车电子有限公司 | Battery cell balancing method of battery pack |
| CN114523879A (en) * | 2022-01-12 | 2022-05-24 | 北京新能源汽车股份有限公司 | Active balance control method and system for power battery and vehicle-mounted terminal controller |
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