CN106740211A - The balancing energy system and method for electrokinetic cell - Google Patents
The balancing energy system and method for electrokinetic cell Download PDFInfo
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- CN106740211A CN106740211A CN201611236951.4A CN201611236951A CN106740211A CN 106740211 A CN106740211 A CN 106740211A CN 201611236951 A CN201611236951 A CN 201611236951A CN 106740211 A CN106740211 A CN 106740211A
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- cell
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- bmu
- gating
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Classifications
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- 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
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses the balancing energy system and method for electrokinetic cell, the system includes battery pack and BMU from plate, and BMU includes voltage acquisition module and controller from plate；BMU is provided with least two gating modules from plate, and each gating module includes code device circuit and metal-oxide-semiconductor electronic switching circuit, and metal-oxide-semiconductor electronic switching circuit is electrically connected with battery pack；BMU is additionally provided with least four DC/DC power modules from plate, and each gating module is electrically connected with least two DC/DC power modules respectively；Voltage acquisition module is used to gather the voltage of each cell in battery pack, and controller is used to send address signal to decoder circuit when a voltage wherein meets benefit electricity condition, and metal-oxide-semiconductor electronic switching circuit is used to gate the cell for meeting the benefit electricity condition.This programme have stability of equilibrium it is high, without electromagnetic interference, energy loss it is small, mend that electrical efficiency is high, processing speed is fast, high precision effect.
Description
Technical field
The present invention relates to electronic technology and new-energy automobile power battery management system field, more particularly to a kind of power electric
The balancing energy system and method in pond.
Background technology
Due to the non-renewable and environmental pollution characteristic of petroleum-based energy, green novel energy source is widely used.Car tail
Gas brings destructive influence to global air quality, and thus advantage of the electric motor car with its energy-saving and environmental protection is widely used
In the life of people.With the development of lithium ion battery technology, lithium ion battery is increasingly being used for electric automobiles.
The most important difference of electric automobile and conventional fuel oil automobile is exactly that instead of traditional fuel oil using electrokinetic cell to come as power
Source.So the safety of power lithium-ion battery and efficiently the important development technology as electric automobile.
Ferric phosphate lithium cell is security lithium ion battery higher, but its single-unit voltage is relatively low, in actually used mistake
Cheng Zhong, as the power battery pack of electric bus must connect substantial amounts of cell can be only achieved dynamical system required for voltage
Value.Due to battery production since raw material to final product needed by the complicated operation of multiple tracks, even if all being passed through per procedure
Cross strict programme-control, it is also not possible to accomplish every battery in lower production line at the aspects such as voltage, internal resistance, capacity complete
Cause, always in the presence of some small differences.With the use of battery, due to the influence of the environmental factor such as heat differential is different, these are small
Difference can be exaggerated so that the performance difference between series-connected cell is increasing.Due between electric automobile power battery monomer not
The presence of uniformity, its voltage can not possibly be completely the same after unified charging terminates, therefore need to carry out battery pack active equalization or
It is passive balanced.
Battery management system has kinds of schemes in the prior art, and most commonly passive balanced, also referred to as dissipation type is balanced.
Realize that circuit is simple, by the voltage of each cell of real-time detection, in the voltage of cell exceedes controller algorithm
During the threshold value of setting, the passive discharge circuit of resistance-type is connected by cell, there is provided earial drainage loop, so as to realize equilibrium.
Its defect is big energy loss, and resistance needs radiating, is only used in low-power circuit.
In order to reduce energy loss, the energy conversion efficiency of electrokinetic cell is improved, now also some equalization schemes in the art
Selection active equalization, its principle is to turn the electric energy of the monomer voltage the higher person in series battery by the form of energy transfer
Move to the monomer voltage junior in series battery, so as to realize that the peak use rate of energy is consistent with battery is improved in theory
Property.However, though active equalization is theoretically set up, the cost and volume of active equalization cannot be estimated, and in working environment pole
It is real in DC/DC (DC-DC power supply) transfer process in the considerably complicated electric automobile of its severe, electromagnetic interference environment
Energy loss cannot also be estimated, and equalization efficiency, time for balance and the stability of a system opened after equilibrium are all difficult to be protected,
Increased system redundancy and reduce travel safety.
And also switch to respond equilibrium in the prior art using relay etc., but due to relay, volume is big, loud in itself
Should slow, driving power consumption is big, the shortcomings of there is electromagnetic interference so that stability of equilibrium is substantially reduced.
The content of the invention
The technical problem to be solved in the present invention be in order to overcome in the prior art to battery pack using active equalization, it is passive
Energy loss is big, stability of equilibrium is relatively low when weighing or responding balanced using relay, increase the defects such as system redundancy, there is provided one
Plant the balancing energy system and method for electrokinetic cell.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of balancing energy system of electrokinetic cell, its feature is, including a battery pack and a BMU (battery
Management unit, battery management unit) from plate, the BMU includes a voltage acquisition module and is adopted with the voltage from plate
One controller of collection module electrical connection；
The BMU is provided with least two gating modules from plate, each gating module include a decoder circuit and with institute
A MOS (insulating gate type field effect tube) pipe electronic switching circuit of decoder circuit electrical connection is stated, the metal-oxide-semiconductor electronic cutting is powered-down
Road electrically connects with the battery pack；
The BMU is additionally provided with least four DC/DC power modules from plate, each gating module respectively with least two institutes
The electrical connection of DC/DC power modules is stated, the DC/DC power modules are used to fill into electricity to the battery pack；
The voltage acquisition module is used to gather the voltage of each cell in the battery pack, and the controller is used for
An address signal is sent to the decoder circuit when a wherein voltage meets a benefit electricity condition, the address signal is used to characterize
Meet the address of the cell for mending electric condition, the metal-oxide-semiconductor electronic switching circuit meets the electric bar of the benefit for gating
The cell of part.
It is preferred that the electricity condition of mending includes：After battery pack charging terminates, there is the electricity of an at least cell
Pressure is less than a threshold value.
It is preferred that the BMU also includes the temperature sensor electrically connected with the controller, the TEMP from plate
Device is used to gathering the temperature of each cell in the battery pack, the controller be additionally operable to according to the voltage of each cell and
Temperature carries out temporal charging start-stop control to the battery pack.
It is preferred that the decoder circuit is electrically connected by a photoisolator with the metal-oxide-semiconductor electronic switching circuit；
And/or, the model LTC6804 of ADC (analog-digital converter) sampling A/D chip.
It is preferred that the voltage acquisition module includes an ADC sampling A/D chips, the temperature sensor includes NTC (negative temperatures
Coefficient) thermistor.
It is preferred that the gating module and the DC/DC power modules in a stacked structure welding in the BMU from plate
On.
The present invention also provides a kind of balancing energy method of electrokinetic cell, and its feature is that it utilizes energy as described above
Amount equalizing system realization, including：
S1, the voltage acquisition module gather the voltage of each cell in the battery pack；
S2, the controller judge that meeting one with the presence or absence of a voltage in those voltages mends electric condition, and in judged result
An address signal is sent to the decoder circuit during to be, the address signal is used to characterize the list for meeting the electric condition of the benefit
The address of body battery；
S3, metal-oxide-semiconductor electronic switching circuit gating meet the cell for mending electric condition；
S4, the cell after DC/DC electric power source pair of modules gating carries out mending electricity.
It is preferred that the electricity condition of mending includes：After battery pack charging terminates, there is the electricity of an at least cell
Pressure is less than a threshold value.
It is preferred that the BMU also includes the temperature sensor electrically connected with the controller from plate；
Step S1Also include：
The temperature sensor gathers the temperature of each cell in the battery pack；
Step S2Also include：
The controller carries out temporal charging always according to the voltage and temperature of each cell to the battery pack
Only control.
It is preferred that the decoder circuit is electrically connected by a photoisolator with the metal-oxide-semiconductor electronic switching circuit.
Positive effect of the invention is：Gating module and the electric module of benefit are integrated in BMU from plate by the present invention, are dropped
The low complexity of system, and realize that voltage acquisition and voltage are calculated by the voltage acquisition module and controller on BMU, can add
Fast processing speed, improves system accuracy；And cell is carried out to mend electricity by multiple gating modules and multiple electricity modules of mending, carry
Benefit electrical efficiency high；And only the cell for needing to mend electricity is gated by gating module, and then entered by mending electric module
Row mends electricity, overcomes the defect of energy loss in passive equilibrium, also overcomes the system redundancy produced in active equalization；And pass through
Metal-oxide-semiconductor electronic switching circuit gates cell, it is to avoid the defect such as low-response, electromagnetic interference existing for relay.
Brief description of the drawings
Fig. 1 is the structural representation of the balancing energy system of the electrokinetic cell of the embodiment of the present invention 1.
Fig. 2 is the fundamental diagram of the gating module of the embodiment of the present invention 1.
Fig. 3 is the flow chart of the balancing energy method of the electrokinetic cell of the embodiment of the present invention 2.
Specific embodiment
Present pre-ferred embodiments are given below in conjunction with the accompanying drawings, to describe technical scheme in detail.
Embodiment 1
The present embodiment provides a kind of balancing energy system of electrokinetic cell, as shown in figure 1, including a battery pack 1 and a BMU
From plate 2, the controller 22 that the BMU is electrically connected from plate 2 including a voltage acquisition module 21 and with the voltage acquisition module；
The BMU is provided with least two gating modules 23 from plate, and each gating module includes the He of a decoder circuit 231
One metal-oxide-semiconductor electronic switching circuit 232, the decoder circuit 231 is powered-down with the metal-oxide-semiconductor electronic cutting by a photoisolator
Road is electrically connected, and gating isolation can be realized by photoisolator.
The metal-oxide-semiconductor electronic switching circuit 232 is electrically connected with the battery pack 1；
The BMU is additionally provided with least four DC/DC power modules 24 from plate, and each gating module 23 is respectively with least two
The individual DC/DC power modules electrical connection, the DC/DC power modules 24 are used to fill into electricity to the battery pack 1；DC/DC
The input of power module 24 connects external charging power supply, and output directly feeds gating module 23, and DC/DC power modules 24 will be outside
Charge power supply is converted into the charge power supply of cell in DC/DC modes, to supply electricity to be strobed the cell of module gating.
The gating module and the DC/DC power modules in a stacked structure welding in the BMU from plate.This kind
Set-up mode substantially reduces the volume of equipment.
The voltage acquisition module is used to gather the voltage of each cell in the battery pack, and the controller is used for
An address signal is sent to the decoder circuit when a wherein voltage meets a benefit electricity condition, the address signal is used to characterize
Meet the address of the cell for mending electric condition, the metal-oxide-semiconductor electronic switching circuit meets the electric bar of the benefit for gating
The cell of part.
BMU is belonging in BMS (battery management system) system from plate, and BMS systems include BMU from plate and BCU (battery controls
Unit processed) mainboard, in battery management system BMS, BCU mainboards are responsible for total voltage measurement, total current measurement, the insulation of battery pack
Resistance measurement, SOC (state of charge, dump energy) calculating, data analysis and classifying alarm, Preservation tactics and control
And CAN (controller local area network) communications.It is appreciated that any balancing energy system for having used electrokinetic cell of the invention
BMS battery management systems, it is also within the scope of the present invention.And this programme is adopted the voltage of cell is isoparametric
Collection and calculating are completed by BMU from plate, can accelerate data processing speed, improve system accuracy.
Wherein, the electricity condition of mending includes：After battery pack charging terminates, there is the voltage of an at least cell
Less than a threshold value.Carry out mending electricity in latter stage of charging, electricity is not mended with the charging initial stage in automobilism, improving each cell one
On the premise of cause property, traffic safety and battery are at utmost improve.Additionally, gating module and the electric module of benefit only exist
Worked on demand in charging process, work is not involved in discharge process, it can be ensured that the stability of a system of electrokinetic cell.
The BMU also includes the temperature sensor 25 electrically connected with the controller, the temperature sensor 25 from plate
Temperature for gathering each cell in the battery pack, the controller is additionally operable to voltage and temperature according to each cell
Degree carries out temporal charging start-stop control to the battery pack.
The voltage acquisition module includes an ADC sampling A/D chips, and the temperature sensor includes NTC thermistor, described
The model LTC6804 of ADC sampling A/D chips, the chip sampling precision, sampling period and sampling stability are higher.
And the controller can be single-chip microprocessor MCU, it carries out mending electricity in battery pack charging complete to under-voltage cell
Control, i.e. balancing energy；And based on protection cell safety and the principle for extending its service life, according to the voltage and temperature of collection
Whether monitoring cell is over-pressed or under-voltage, to determine when start to charge battery pack, when stops charging etc. to battery pack,
So as to realize that charging start-stop is controlled.Can also to monitoring battery bag temperature, in order to avoid battery overheat occur safety problem.
Wherein, decoder circuit includes 38 decoders, and single-chip microcomputer controls 38 decoders by IO (input and output) pin
Each controlling switch realizes different address choices, the different cell of different address correspondences.And the work of gating module 23
As shown in Fig. 2 38 decoders are integrated in the schematic diagram, the controlling switch of 38 decoders is BA, BB, BC and BEN to schematic diagram.
Because metal-oxide-semiconductor electronic switching circuit is in the absence of mechanical parts, small volume and mostly paster encapsulation, therefore can
Being advantageously integrated and automated production.And the fast response time of metal-oxide-semiconductor electronic switch, driving current are minimum, in state switching
During there is no contact arc and rebound, than shallower, therefore the influence without electromagnetic interference.The work under the vibration environment high of automobile
When making, the stability of the stability far above relay of the MOS electronic switches in gating module.
As shown in figure 1, battery pack is made up of 24 section cells, the power input of each gating module is two-way, and it can
Carry out mending electricity for two-way is strobed monomer simultaneously；And each gating module can the road monomer of independent strobe 12 it is any all the way, therefore
Electric module is mended using two gating modules and four to be then capable of achieving in system all 24 gatings for saving monomer and benefit electricity.And same
One moment can at least carry out mending electricity to 4 road cells, substantially increase benefit electrical efficiency, also save the charging interval.
To sum up, gating module and the electric module of benefit are integrated in BMU from plate by the present embodiment, reduce the complexity of system,
And realize that voltage acquisition and voltage are calculated by the voltage acquisition module and controller on BMU, can speed up processing, raising system
System precision；And cell is carried out to mend electricity by multiple gating modules and multiple electricity modules of mending, improve benefit electrical efficiency；And only
Cell to needing to mend electricity is gated by gating module, and then carries out mending electricity by mending electric module, and it is passive to overcome
The defect of energy loss in equilibrium, also overcomes the system redundancy produced in active equalization；And pass through metal-oxide-semiconductor electronic switching circuit
To gate cell, it is to avoid the defect such as low-response, electromagnetic interference existing for relay.
Embodiment 2
The present embodiment provides a kind of balancing energy method of electrokinetic cell, as shown in figure 3, it is utilized described in embodiment 1
The realization of balancing energy system, including：
Step 101, the voltage acquisition module gather the voltage of each cell in the battery pack；
Step 102, the controller judge to meet the electric condition of a benefit with the presence or absence of a voltage in those voltages, and are judging
To send an address signal to the decoder circuit when being, the address signal meets the electric condition of the benefit to result for sign
Cell address；
Step 103, metal-oxide-semiconductor electronic switching circuit gating meet the cell for mending electric condition；
Cell after step 104, DC/DC electric power source pair of modules gating carries out mending electricity.
Wherein, the electricity condition of mending includes：After battery pack charging terminates, there is the voltage of an at least cell
Less than a threshold value.The BMU also includes the temperature sensor electrically connected with the controller from plate, and step 101 also includes：Institute
State the temperature that temperature sensor gathers each cell in the battery pack；Step 102 also includes：The controller is always according to each
The voltage and temperature of cell carry out temporal charging start-stop control to the battery pack.The decoder circuit passes through one
Photoisolator is electrically connected with the metal-oxide-semiconductor electronic switching circuit.
The present embodiment can reach technique effect same as Example 1.
Although the foregoing describing specific embodiment of the invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle of the invention and essence, various changes or modifications can be made to these implementation methods, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (10)
1. the balancing energy system of a kind of electrokinetic cell, it is characterised in that including a battery pack and a BMU from plate, the BMU from
Plate includes a voltage acquisition module and the controller electrically connected with the voltage acquisition module；
The BMU is provided with least two gating modules from plate, and each gating module includes a decoder circuit and translated with described
One metal-oxide-semiconductor electronic switching circuit of code device circuit electrical connection, the metal-oxide-semiconductor electronic switching circuit is electrically connected with the battery pack；
The BMU is additionally provided with least four DC/DC power modules from plate, each gating module respectively with described at least two
DC/DC power modules are electrically connected, and the DC/DC power modules are used to fill into electricity to the battery pack；
The voltage acquisition module is used to gather the voltage of each cell in the battery pack, and the controller is used for wherein
An address signal is sent to the decoder circuit when one voltage meets a benefit electricity condition, the address signal is used to characterize satisfaction
The address of the cell for mending electric condition, the metal-oxide-semiconductor electronic switching circuit is used for gating and meets the electric condition of the benefit
Cell.
2. balancing energy system as claimed in claim 1, it is characterised in that the benefit electricity condition includes：In the battery pack
After charging terminates, the voltage that there is an at least cell is less than a threshold value.
3. balancing energy system as claimed in claim 1, it is characterised in that the BMU also includes and the controller from plate
One temperature sensor of electrical connection, the temperature sensor is used to gather the temperature of each cell in the battery pack, described
Controller is additionally operable to carry out the battery pack temporal charging start-stop control according to the voltage and temperature of each cell.
4. balancing energy system as claimed in claim 3, it is characterised in that the voltage acquisition module includes ADC samplings
Chip, the temperature sensor includes NTC thermistor.
5. balancing energy system as claimed in claim 4, it is characterised in that the decoder circuit passes through a photoisolator
Electrically connected with the metal-oxide-semiconductor electronic switching circuit；And/or, the model LTC6804 of the ADC sampling A/D chips.
6. the balancing energy system as described in any one in claim 1-5, it is characterised in that the gating module and described
DC/DC power modules in a stacked structure welding in the BMU from plate.
7. a kind of balancing energy method of electrokinetic cell, it is characterised in that it is utilized in claim 1-6 described in any one
The realization of balancing energy system, including：
S1, the voltage acquisition module gather the voltage of each cell in the battery pack；
S2, the controller judge that meeting one with the presence or absence of a voltage in those voltages mends electric condition, and when judged result is to be
An address signal is sent to the decoder circuit, the address signal is used to characterize the cell for meeting the electric condition of the benefit
Address；
S3, metal-oxide-semiconductor electronic switching circuit gating meet the cell for mending electric condition；
S4, the cell after DC/DC electric power source pair of modules gating carries out mending electricity.
8. balancing energy method as claimed in claim 7, it is characterised in that the benefit electricity condition includes：In the battery pack
After charging terminates, the voltage that there is an at least cell is less than a threshold value.
9. balancing energy method as claimed in claim 7, it is characterised in that the BMU also includes and the controller from plate
One temperature sensor of electrical connection；
Step S1Also include：
The temperature sensor gathers the temperature of each cell in the battery pack；
Step S2Also include：
The controller carries out temporal charging start-stop control to the battery pack always according to the voltage and temperature of each cell
System.
10. the balancing energy method as described in any one in claim 7-9, it is characterised in that the decoder circuit leads to
A photoisolator is crossed to be electrically connected with the metal-oxide-semiconductor electronic switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236951.4A CN106740211A (en) | 2016-12-28 | 2016-12-28 | The balancing energy system and method for electrokinetic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236951.4A CN106740211A (en) | 2016-12-28 | 2016-12-28 | The balancing energy system and method for electrokinetic cell |
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| CN106740211A true CN106740211A (en) | 2017-05-31 |
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| CN201611236951.4A Pending CN106740211A (en) | 2016-12-28 | 2016-12-28 | The balancing energy system and method for electrokinetic cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936851A (en) * | 2018-09-21 | 2020-03-31 | 重庆广亿源电池有限公司 | Battery pack balancing method and balancing device and electric vehicle |
| CN110979048A (en) * | 2019-12-18 | 2020-04-10 | 厦门大学嘉庚学院 | Electric automobile energy recovery and control system based on wheeled dynamic formula |
| CN111114388A (en) * | 2020-01-02 | 2020-05-08 | 安徽锐能科技有限公司 | Temperature-combined power supply type active equalization control method and device and storage medium |
| CN113954693A (en) * | 2021-10-11 | 2022-01-21 | 暨南大学 | Lithium battery balance control method, system and storage medium |
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| CN101359837A (en) * | 2008-09-19 | 2009-02-04 | 哈尔滨工业大学 | Charging discharging fast equalizing apparatus for accumulator set or capacitor set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110936851A (en) * | 2018-09-21 | 2020-03-31 | 重庆广亿源电池有限公司 | Battery pack balancing method and balancing device and electric vehicle |
| CN110979048A (en) * | 2019-12-18 | 2020-04-10 | 厦门大学嘉庚学院 | Electric automobile energy recovery and control system based on wheeled dynamic formula |
| CN111114388A (en) * | 2020-01-02 | 2020-05-08 | 安徽锐能科技有限公司 | Temperature-combined power supply type active equalization control method and device and storage medium |
| CN113954693A (en) * | 2021-10-11 | 2022-01-21 | 暨南大学 | Lithium battery balance control method, system and storage medium |
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Application publication date: 20170531 |