CN107887936A - Fast charge method, system and the vehicle of electrokinetic cell - Google Patents
Fast charge method, system and the vehicle of electrokinetic cell Download PDFInfo
- Publication number
- CN107887936A CN107887936A CN201610867100.3A CN201610867100A CN107887936A CN 107887936 A CN107887936 A CN 107887936A CN 201610867100 A CN201610867100 A CN 201610867100A CN 107887936 A CN107887936 A CN 107887936A
- Authority
- CN
- China
- Prior art keywords
- electrokinetic cell
- monomer
- fast charge
- charging current
- fast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000178 monomer Substances 0.000 claims abstract description 131
- 230000005611 electricity Effects 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 description 4
- 208000035126 Facies Diseases 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
-
- H02J7/0077—
-
- H02J7/0091—
Abstract
The invention provides fast charge method, system and the vehicle of a kind of electrokinetic cell, this method includes：Gather the temperature of the electrokinetic cell；Multiple monomer voltages of the collection corresponding to the multiple cell；Monomer voltage maximum is obtained from the multiple monomer voltage；Fast charge charging current is determined according to the temperature of the electrokinetic cell and the monomer voltage maximum, to be charged according to the fast charge charging current to the electrokinetic cell.The method of the present invention can ensure the charging security of electrokinetic cell, lift the service life of electrokinetic cell, and with the charging interval it is short the advantages of, lift the usage experience of vehicle.
Description
Technical field
The present invention relates to automobile technical field, fast charge method, system and the vehicle of more particularly to a kind of electrokinetic cell.
Background technology
New-energy automobile, as electric automobile has the advantages of energy-conserving and environment-protective.But electrokinetic cell directly affects the continuous of automobile
Sail mileage, power output etc..And the speed of charging rate then directly affects convenience and the popularization of electric automobile.Electrokinetic cell
Fast charge, which charges, should consider the size of charging current, consider security and the performance of overall life-span of battery again.
, can basis when fast charge in order to consider the charging current of battery, safety and life-span in correlation technique
The temperature of electrokinetic cell determines the charging current of fast charge charging.However, this temperature according to electrokinetic cell determines fast charge
The means of the charging current of charging, it may be impossible to electrokinetic cell is protected well, such as：Electrokinetic cell may be caused
Overcharge, so as to influence the security of electrokinetic cell.
The content of the invention
In view of this, the present invention is directed to propose a kind of fast charge method of electrokinetic cell, this method can ensure electrokinetic cell
Charging security, lifted electrokinetic cell service life, and with the charging interval it is short the advantages of, lifted vehicle use body
Test.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of fast charge method of electrokinetic cell, the electrokinetic cell include multiple cells, and methods described includes：Collection
The temperature of the electrokinetic cell；Multiple monomer voltages of the collection corresponding to the multiple cell；From the multiple monomer electricity
Monomer voltage maximum is obtained in pressure；Determine that fast charge charges according to the temperature of the electrokinetic cell and the monomer voltage maximum
Electric current, to be charged according to the fast charge charging current to the electrokinetic cell.
Further, during being charged to the electrokinetic cell, in addition to：From the multiple monomer voltage
Obtain monomer voltage minimum value；Monomer pressure difference is worth to according to the monomer voltage minimum value and the monomer voltage maximum；Root
Drop stream is carried out to the fast charge charging current according to the monomer pressure difference, wherein, the monomer pressure difference is bigger, described fast after adjustment
It is smaller to fill charging current.
Further, further comprise：If the monomer pressure difference is more than first threshold and the monomer voltage minimum value
More than the first predetermined voltage, then start passive balance policy to carry out electric voltage equalization to the multiple cell, until described
Monomer pressure difference is less than the first threshold and closes the passive balance policy.
Further, when carrying out drop stream to the fast charge charging current according to the monomer pressure difference, including：With default
Drop flow velocity degree carries out drop stream to the fast charge charging current；And if the pressure drop of the multiple monomer voltage is less than or equal to the
Two predetermined voltages, then keep the fast charge charging current constant.
Further, during being charged to the electrokinetic cell, in addition to：According to the temperature of the electrokinetic cell
Degree, the fast charge charging current and the multiple monomer voltage are modified to the state-of-charge of the electrokinetic cell.
Relative to prior art, the fast charge method of electrokinetic cell of the present invention has the advantage that：
The fast charge method of electrokinetic cell of the present invention, can be according to the monomer voltage maximum and power of electrokinetic cell
The temperature of battery determines relatively suitable fast charge charging current, and is power battery charging according to the fast charge charging current, by
This, can avoid fast charge charging current it is excessive electrokinetic cell is damaged and avoid fast charge charging current it is too small cause charging when
Between it is long, the charging security of electrokinetic cell can be ensured, lift the service life of electrokinetic cell, and ensureing electrokinetic cell
On the premise of the service life of charging security and lifting electrokinetic cell, shorten the charging interval as far as possible, to meet user's request.
It is another object of the present invention to the fast charging system for proposing a kind of electrokinetic cell, the system can ensure power electric
The charging security in pond, the service life for lifting electrokinetic cell, and with the charging interval it is short the advantages of, lift vehicle uses body
Test.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of fast charging system of electrokinetic cell, the electrokinetic cell include multiple cells, and the system includes：Collection
Module, for gathering the temperature of the electrokinetic cell and multiple monomer voltages corresponding to the multiple cell；Obtain
Module, for obtaining monomer voltage maximum from the multiple monomer voltage；Charge control module, for according to the power
The temperature of battery and the monomer voltage maximum determine fast charge charging current, to be moved according to the fast charge charging current to described
Power battery is charged.
Further, the acquisition module is additionally operable to obtain monomer voltage minimum value, institute from the multiple monomer voltage
Charge control module is stated to be additionally operable to be worth to monomer pressure difference according to the monomer voltage minimum value and the monomer voltage maximum, and
Drop stream is carried out to the fast charge charging current according to the monomer pressure difference, wherein, the monomer pressure difference is bigger, described after adjustment
Fast charge charging current is smaller.
Further, the charge control module is additionally operable to be more than first threshold and monomer electricity in the monomer pressure difference
When pressure minimum value is more than the first predetermined voltage, start passive balance policy to carry out electric voltage equalization to the multiple cell,
Until the monomer pressure difference is less than the first threshold and closes the passive balance policy, the charge control module is used for pre-
If drop flow velocity degree drop stream is carried out to the fast charge charging current, and if the pressure drop of the multiple monomer voltage is less than or waited
In the second predetermined voltage, then keep the fast charge charging current constant.
Further, the charge control module is additionally operable to during being charged to the electrokinetic cell, according to
The state-of-charge of the temperature of the electrokinetic cell, the fast charge charging current and the multiple monomer voltage to the electrokinetic cell
It is modified.
The fast charging system of described electrokinetic cell is had with the fast charge method of above-mentioned electrokinetic cell relative to prior art
Some Dominant Facies are same, will not be repeated here.
Another object of the present invention is to propose a kind of vehicle, and the vehicle can ensure the charging safety of electrokinetic cell
Property, the service life of lifting electrokinetic cell, and with the charging interval it is short the advantages of, lift the usage experience of vehicle.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of vehicle, it is provided with the fast charging system of the electrokinetic cell described in any one embodiment as described above.
The fast charging system of described vehicle and above-mentioned electrokinetic cell is same relative to Dominant Facies possessed by prior art,
This is repeated no more.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the fast charge method of the electrokinetic cell described in the embodiment of the present invention；
Fig. 2 is the structured flowchart of the fast charging system of the electrokinetic cell described in the embodiment of the present invention.
Description of reference numerals：
The fast charging system 200 of electrokinetic cell, acquisition module 210, acquisition module 220, charge control module 230.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the flow chart of the fast charge method of electrokinetic cell according to an embodiment of the invention.
Before the fast charge method of electrokinetic cell according to embodiments of the present invention is described, electrokinetic cell is situated between first
Continuing, electrokinetic cell is referred to as battery bag, and electrokinetic cell includes multiple cells, according to the needs of the input voltage of electrokinetic cell,
Multiple cells connect in series and/or in parallel.
As shown in figure 1, the fast charge method of electrokinetic cell according to an embodiment of the invention, comprises the following steps：
S101：Gather the temperature of electrokinetic cell.
The temperature of electrokinetic cell can be gathered by temperature sensor.It is of course also possible to gather other phases of electrokinetic cell
Related parameter, the temperature of electrokinetic cell is then calculated.It is specifically right using the temperature of which kind of means detection electrokinetic cell, the present invention
This is not limited.
S102：Multiple monomer voltages of the collection corresponding to multiple cells.
Voltage check device can be accessed to each cell, so as to gather the monomer voltage of each cell, electricity
It is, for example, voltmeter to press harvester.It is of course also possible to gather other relevant parameters of electrokinetic cell, then it is calculated correspondingly
In multiple monomer voltages of multiple cells.Specifically multiple monomers using which kind of means detection corresponding to multiple cells
Voltage, the present invention are not limited in this respect.
S103：Monomer voltage maximum is obtained from multiple monomer voltages.
Such as：Electrokinetic cell includes 10 cells, is designated as cell 1 to cell 10, cell 1 to list
The voltage of body battery 10 is respectively 3.8V, 3.9V, 3.9V, 3.8V, 4.0V, 4.1V, 4.0V, 3.9V, 3.8V, 3.8V.Then monomer
Voltage max is monomer voltage corresponding to cell 6, i.e.,：Monomer voltage maximum is 4.1V.
S104：Fast charge charging current is determined according to the temperature of electrokinetic cell and monomer voltage maximum, to be filled according to fast charge
Electric current charges to electrokinetic cell.
As a specific example, the temperature of an electrokinetic cell, monomer voltage maximum and fast can be pre-established
The relation table filled between charging current, then, after the temperature and monomer voltage maximum for getting electrokinetic cell, Ke Yicha
This relation table is ask, to obtain corresponding fast charge charging current.
In the above description, the relation table between the temperature of electrokinetic cell, monomer voltage maximum and fast charge charging current
Foundation can realize in the following way：
Such as：The monomer of write-in electrokinetic cell in battery management system BMS (BATTERY MANAGEMENT SYSTEM)
The related datas such as the temperature of voltage and electrokinetic cell (i.e. battery pack temperature), establish a matrix table according to these data and (close
It is table), data in matrix table are charged electricity by the monomer voltage of electrokinetic cell, the temperature of electrokinetic cell and corresponding fast charge respectively
Stream composition, these data can demarcate completion in the lab, i.e.,：The monomer voltage of different dynamic battery, the temperature of electrokinetic cell
Relation between degree and fast charge charging current can be drawn by Laboratory Calibration.
As described in Table 1, the list of the different dynamic battery obtained in one embodiment of the invention by Experimental Calibration is shown
The matrix table of relation between bulk voltage, the temperature of electrokinetic cell and fast charge charging current.
Table 1
Such as：The temperature of electrokinetic cell be 10-25 degrees Celsius between, monomer voltage maximum is when being 3.75-4.05V, phase
The fast charge charging current answered is 0.5C.
The fast charge method of electrokinetic cell according to embodiments of the present invention, can be according to the monomer voltage maximum of electrokinetic cell
Relatively suitable fast charge charging current is determined with the temperature of electrokinetic cell, and is filled according to the fast charge charging current for electrokinetic cell
Electricity, thus, it is possible to avoid fast charge charging current is excessive from being damaged to electrokinetic cell and avoid fast charge charging current is too small from causing
Charging interval is long, can ensure the charging security of electrokinetic cell, lift the service life of electrokinetic cell, and ensure power
On the premise of the charging security of battery and the service life of lifting electrokinetic cell, shorten the charging interval as far as possible, to meet to use
Family demand.
In one embodiment of the invention, electrokinetic cell is being charged during (i.e. fast charge), this method is also
Including：
1st, monomer voltage minimum value is obtained from multiple monomer voltages.
2nd, monomer pressure difference is worth to according to monomer voltage minimum value and the monomer voltage maximum.
3rd, drop stream is carried out to fast charge charging current according to monomer pressure difference, wherein, monomer pressure difference is bigger, described fast after adjustment
It is smaller to fill charging current.
Such as：When monomer pressure difference is less than 100mV, fast charge charging current is (i.e.：Fast charge current value) it can be selected by table 1
Select；When monomer pressure difference is more than or equal to 100mV and is less than 300mV, fast charge current value is according to corresponding fast charge charging current in table 1
Drop 30%；When monomer pressure difference is more than or equal to 300mV and is less than 500mV, fast charge current value charges according to corresponding fast charge in table 1
Electric current drop 50%；When monomer pressure difference is more than 500mV, fast charge current value is according to corresponding fast charge charging current drop 80% in table 1.
Further, this method also includes：If monomer pressure difference is more than first threshold and monomer voltage minimum value and is more than the
One predetermined voltage, then start passive balance policy to carry out electric voltage equalization to multiple cells, until monomer pressure difference is less than the
One threshold value closes passive balance policy.
As a specific example, first threshold is but is not limited to 10mV, and the first predetermined voltage is but is not limited to 3.3V.
I.e.：When monomer pressure difference is more than 10mV and monomer voltage minimum value is more than 3.3V, start the passive balance policy of monomer voltage, it is balanced
Electric current is but is not limited to 80mA, and the passive balance policy of monomer voltage is closed when monomer voltage minimum value is less than 10mV.
During being charged using the fast charge method of the electrokinetic cell of the embodiment of the present invention to electrokinetic cell, if
The drop of fast charge charging current flows through big too urgent, it is possible to cause monomer voltage to change, make monomer voltage be reduced to one it is default
Under voltage, so that fast charge charging current produces concussion, in order to avoid current oscillation, embodiments of the invention can use such as
Under type：
Drop stream is carried out to fast charge charging current with default drop flow velocity degree；If the pressure drop of multiple monomer voltages is less than or waited
In the second predetermined voltage, then keep fast charge charging current constant.Such as：If there is charging current during fast charge is carried out
The situation of decline, it is that 0.05C is per second to set drop flow velocity degree, so, it is excessive can to limit monomer voltage pressure drop to a certain extent
Caused charging current concussion.Further, when fast charge charging current declines, when monomer voltage pressure drop is not more than 50mV (i.e.：
Second predetermined voltage) when, fast charge request electric current is constant, it is ensured that the stabilization of charger output current.
In one embodiment of the invention, during being charged to electrokinetic cell, this method also includes：According to
Temperature, fast charge charging current and the multiple monomer voltages of electrokinetic cell are modified to the state-of-charge of electrokinetic cell.
Specifically, can be to 4 state-of-charge SOC (State of Charge) point, 4 kinds of electricity during fast charge charging
Flow valuve is modified.Such as：Current SOC value is more relatively low than actual soc-value or higher, and amendment speed is 0.1%/10S；Full of end
Stage, amendment speed are 0.1%/100mS, are adapted to 100%；The matrix table such as institute of table 2 corresponding to 4 SOC points and 4 kinds of current values
Show：
Table 2
The fast charge method of electrokinetic cell according to embodiments of the present invention, the charging security of electrokinetic cell can be ensured, carried
The advantages of rising the service life of electrokinetic cell, and having the charging interval short, lift the usage experience of vehicle.
Fig. 2 is the structured flowchart of the fast charging system of electrokinetic cell according to an embodiment of the invention.As shown in Fig. 2 root
According to the fast charging system 200 of the electrokinetic cell of one embodiment of the invention, including：Acquisition module 210, acquisition module 220 and charging
Control module 230.
Wherein, acquisition module 210 is used to gather the temperature of electrokinetic cell and multiple lists corresponding to multiple cells
Bulk voltage.Acquisition module 220 is used to obtain monomer voltage maximum from multiple monomer voltages.Charge control module 230 is used for
Fast charge charging current is determined according to the temperature of electrokinetic cell and monomer voltage maximum, with according to fast charge charging current to power electric
Charged in pond.
In one embodiment of the invention, acquisition module 220 is additionally operable to obtain monomer voltage from multiple monomer voltages
Minimum value, charge control module 230 are additionally operable to be worth to monomer pressure difference according to monomer voltage minimum value and monomer voltage maximum, and
Drop stream is carried out to fast charge charging current according to monomer pressure difference, wherein, monomer pressure difference is bigger, and the fast charge charging current after adjustment is got over
It is small.
In one embodiment of the invention, charge control module 230 be additionally operable to monomer pressure difference be more than first threshold and
When monomer voltage minimum value is more than the first predetermined voltage, it is equal to carry out voltage to multiple cells to start passive balance policy
Weighing apparatus, until monomer pressure difference is less than first threshold and closes passive balance policy, charge control module 230 is used for default drop flow velocity
Degree carries out drop stream to fast charge charging current, and if the pressure drop of multiple monomer voltages is less than or equal to the second predetermined voltage, then
Keep fast charge charging current constant.
In one embodiment of the invention, charge control module 230 is additionally operable in the mistake to be charged to electrokinetic cell
Cheng Zhong, the state-of-charge of electrokinetic cell is repaiied according to the temperature of electrokinetic cell, fast charge charging current and multiple monomer voltages
Just.
The fast charging system of electrokinetic cell according to embodiments of the present invention, can be according to the monomer voltage maximum of electrokinetic cell
Relatively suitable fast charge charging current is determined with the temperature of electrokinetic cell, and is filled according to the fast charge charging current for electrokinetic cell
Electricity, thus, it is possible to avoid fast charge charging current is excessive from being damaged to electrokinetic cell and avoid fast charge charging current is too small from causing
Charging interval is long, can ensure the charging security of electrokinetic cell, lift the service life of electrokinetic cell, and ensure power
On the premise of the charging security of battery and the service life of lifting electrokinetic cell, shorten the charging interval as far as possible, to meet to use
Family demand.
It should be noted that the specific implementation of the fast charging system of the electrokinetic cell of the embodiment of the present invention is real with the present invention
It is similar to apply the specific implementation of the fast charge method of the electrokinetic cell of example, the description of method part is specifically referred to, in order to reduce
Redundancy, do not repeat herein.
Further, embodiment of the invention discloses that a kind of vehicle, the vehicle are provided with any one implementation as described above
The fast charging system of electrokinetic cell described in example, wherein, the vehicle is pure electric automobile or hybrid vehicle.The vehicle can be with
Relatively suitable fast charge charging current, and root are determined according to the temperature of the monomer voltage maximum of electrokinetic cell and electrokinetic cell
It is power battery charging according to the fast charge charging current, thus, it is possible to avoid fast charge charging current is excessive from causing to hinder to electrokinetic cell
Do harm to and avoid fast charge charging current is too small from causing the charging interval long, can ensure that the charging security of electrokinetic cell, lifting are dynamic
The service life of power battery, and in the premise for the service life for ensureing the charging security of electrokinetic cell and lifting electrokinetic cell
Under, shorten the charging interval as far as possible, to meet user's request.
In addition, other compositions of vehicle according to embodiments of the present invention and effect are for one of ordinary skill in the art
For be all known, in order to reduce redundancy, do not repeat herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of fast charge method of electrokinetic cell, it is characterised in that the electrokinetic cell includes multiple cells, methods described
Including：
Gather the temperature of the electrokinetic cell；
Multiple monomer voltages of the collection corresponding to the multiple cell；
Monomer voltage maximum is obtained from the multiple monomer voltage；
Fast charge charging current is determined according to the temperature of the electrokinetic cell and the monomer voltage maximum, with according to the fast charge
Charging current charges to the electrokinetic cell.
2. the fast charge method of electrokinetic cell according to claim 1, it is characterised in that filled to the electrokinetic cell
In the process of electricity, in addition to：
Monomer voltage minimum value is obtained from the multiple monomer voltage；
Monomer pressure difference is worth to according to the monomer voltage minimum value and the monomer voltage maximum；
Drop stream is carried out to the fast charge charging current according to the monomer pressure difference, wherein, the monomer pressure difference is bigger, after adjustment
The fast charge charging current is smaller.
3. the fast charge method of electrokinetic cell according to claim 2, it is characterised in that further comprise：
If the monomer pressure difference is more than first threshold and the monomer voltage minimum value is more than the first predetermined voltage, start quilt
Dynamic balance policy to the multiple cell to carry out electric voltage equalization, until the monomer pressure difference closes less than the first threshold
Close the passive balance policy.
4. the fast charge method of electrokinetic cell according to claim 2, it is characterised in that according to the monomer pressure difference to institute
State fast charge charging current carry out drop stream when, including：
Drop stream is carried out to the fast charge charging current with default drop flow velocity degree；And
If the pressure drop of the multiple monomer voltage is less than or equal to the second predetermined voltage, the fast charge charging current is kept not
Become.
5. the fast charge method of electrokinetic cell according to claim 1, it is characterised in that filled to the electrokinetic cell
In the process of electricity, in addition to：
According to the temperature of the electrokinetic cell, the fast charge charging current and the multiple monomer voltage to the electrokinetic cell
State-of-charge is modified.
6. the fast charging system of a kind of electrokinetic cell, it is characterised in that the electrokinetic cell includes multiple cells, the system
Including：
Acquisition module, for gathering the temperature of the electrokinetic cell and multiple monomers electricity corresponding to the multiple cell
Pressure；
Acquisition module, for obtaining monomer voltage maximum from the multiple monomer voltage；
Charge control module, fast charge charging electricity is determined for the temperature according to the electrokinetic cell and the monomer voltage maximum
Stream, to be charged according to the fast charge charging current to the electrokinetic cell.
7. the fast charging system of electrokinetic cell according to claim 6, it is characterised in that the acquisition module is additionally operable to from institute
Acquisition monomer voltage minimum value in multiple monomer voltages is stated, the charge control module is additionally operable to minimum according to the monomer voltage
Value and the monomer voltage maximum are worth to monomer pressure difference, and the fast charge charging current is dropped according to the monomer pressure difference
Stream, wherein, the monomer pressure difference is bigger, and the fast charge charging current after adjustment is smaller.
8. the fast charging system of electrokinetic cell according to claim 7, it is characterised in that
The charge control module is additionally operable to be more than first threshold in the monomer pressure difference and the monomer voltage minimum value is more than
During the first predetermined voltage, start passive balance policy to carry out electric voltage equalization to the multiple cell, until the monomer
Pressure difference is less than the first threshold and closes the passive balance policy,
The charge control module is used to carry out the fast charge charging current drop stream, and if institute with default drop flow velocity degree
The pressure drop for stating multiple monomer voltages is less than or equal to the second predetermined voltage, then keeps the fast charge charging current constant.
9. the fast charging system of electrokinetic cell according to claim 6, it is characterised in that the charge control module is additionally operable to
During being charged to the electrokinetic cell, according to the temperature of the electrokinetic cell, the fast charge charging current and institute
Multiple monomer voltages are stated to be modified the state-of-charge of the electrokinetic cell.
10. a kind of vehicle, it is characterised in that the vehicle is set just like the electrokinetic cell described in claim any one of 6-9
Fast charging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867100.3A CN107887936B (en) | 2016-09-30 | 2016-09-30 | Quick charging method and system for power battery and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867100.3A CN107887936B (en) | 2016-09-30 | 2016-09-30 | Quick charging method and system for power battery and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107887936A true CN107887936A (en) | 2018-04-06 |
| CN107887936B CN107887936B (en) | 2021-06-18 |
Family
ID=61769403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867100.3A Active CN107887936B (en) | 2016-09-30 | 2016-09-30 | Quick charging method and system for power battery and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107887936B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546704A (en) * | 2018-11-29 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | A kind of power battery fast charge method |
| CN110816302A (en) * | 2019-10-23 | 2020-02-21 | 无锡赛盈动力科技有限公司 | Charging control method for multi-module intelligent driving system of large and medium power electric vehicle |
| CN112383099A (en) * | 2020-10-09 | 2021-02-19 | 长城汽车股份有限公司 | Method and device for determining direct current charging current and automobile |
| CN112406626A (en) * | 2020-11-09 | 2021-02-26 | 广州小鹏汽车科技有限公司 | Method and device for charging battery cell in low-temperature environment and vehicle |
| CN112537219A (en) * | 2019-09-20 | 2021-03-23 | 比亚迪股份有限公司 | Low-temperature charging control method for power battery, vehicle and medium |
| CN112937366A (en) * | 2019-12-10 | 2021-06-11 | 北汽福田汽车股份有限公司 | Battery charging method and device and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471460A (en) * | 2007-12-28 | 2009-07-01 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| CN102231550A (en) * | 2011-07-05 | 2011-11-02 | 张化锴 | Active charge/discharge balancing system of power battery and implementation method thereof |
| CN203135471U (en) * | 2012-12-14 | 2013-08-14 | 安徽江淮汽车股份有限公司 | Cell control system and cell control and management system |
| CN104104137A (en) * | 2014-07-23 | 2014-10-15 | 山东大学 | Lithium iron phosphate power battery management system and management method |
| CN105024411A (en) * | 2014-04-17 | 2015-11-04 | 中国科学院沈阳自动化研究所 | Intelligent power lithium ion battery management system and charging control method |
-
2016
- 2016-09-30 CN CN201610867100.3A patent/CN107887936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471460A (en) * | 2007-12-28 | 2009-07-01 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| CN102231550A (en) * | 2011-07-05 | 2011-11-02 | 张化锴 | Active charge/discharge balancing system of power battery and implementation method thereof |
| CN203135471U (en) * | 2012-12-14 | 2013-08-14 | 安徽江淮汽车股份有限公司 | Cell control system and cell control and management system |
| CN105024411A (en) * | 2014-04-17 | 2015-11-04 | 中国科学院沈阳自动化研究所 | Intelligent power lithium ion battery management system and charging control method |
| CN105024411B (en) * | 2014-04-17 | 2017-03-15 | 中国科学院沈阳自动化研究所 | A kind of intelligent power lithium ion battery management system and its charge control method |
| CN104104137A (en) * | 2014-07-23 | 2014-10-15 | 山东大学 | Lithium iron phosphate power battery management system and management method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546704A (en) * | 2018-11-29 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | A kind of power battery fast charge method |
| CN112537219A (en) * | 2019-09-20 | 2021-03-23 | 比亚迪股份有限公司 | Low-temperature charging control method for power battery, vehicle and medium |
| CN110816302A (en) * | 2019-10-23 | 2020-02-21 | 无锡赛盈动力科技有限公司 | Charging control method for multi-module intelligent driving system of large and medium power electric vehicle |
| CN112937366A (en) * | 2019-12-10 | 2021-06-11 | 北汽福田汽车股份有限公司 | Battery charging method and device and vehicle |
| CN112937366B (en) * | 2019-12-10 | 2023-09-08 | 北汽福田汽车股份有限公司 | Battery charging method and device and vehicle |
| CN112383099A (en) * | 2020-10-09 | 2021-02-19 | 长城汽车股份有限公司 | Method and device for determining direct current charging current and automobile |
| CN112406626A (en) * | 2020-11-09 | 2021-02-26 | 广州小鹏汽车科技有限公司 | Method and device for charging battery cell in low-temperature environment and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107887936B (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107887936A (en) | Fast charge method, system and the vehicle of electrokinetic cell | |
| EP2107385B1 (en) | State estimating device for secondary battery | |
| Miniguano et al. | General parameter identification procedure and comparative study of Li-Ion battery models | |
| CN104795857B (en) | The implementation method of lithium ion battery balancing energy | |
| Monem et al. | Lithium-ion batteries: Evaluation study of different charging methodologies based on aging process | |
| CN106291378B (en) | A kind of measuring method of electric automobile power battery SOH | |
| Cui et al. | Novel active LiFePO4 battery balancing method based on chargeable and dischargeable capacity | |
| CN104577242B (en) | A kind of batteries management system and method | |
| CN106124996A (en) | A kind of consistency checking method and device of lithium-ion battery monomer | |
| CN105304965B (en) | Power of battery capacity estimation based on depression of order electrochemical model | |
| DE102018125486A1 (en) | SECONDARY BATTERY SYSTEM AND SOC VALUATION METHOD FOR A SECONDARY BATTERY | |
| CN107831444A (en) | A kind of health state of lithium ion battery method of estimation | |
| CN110911764B (en) | Secondary battery system and method for estimating deterioration state of secondary battery | |
| WO2006052044A1 (en) | Method and system for cell equalization using state of charge | |
| CN107204493A (en) | Battery charging method, device and equipment | |
| CN107069120A (en) | A kind of fast charging device and method of electric car automobile lithium ion battery | |
| CN103825060A (en) | Battery low-temperature preheating and charging method | |
| CN105356533B (en) | A kind of active equalization method of battery pack | |
| CN106655408B (en) | Battery pack balancing control method and control device | |
| RU2714888C1 (en) | Accumulator battery system and a method for evaluating the internal state of an accumulator battery | |
| CN109633465A (en) | A kind of peak power method for rapidly testing of lithium ion battery | |
| CN104749524A (en) | Battery management system power calculation method | |
| CN106154175A (en) | Rechargeable battery state-of-charge estimating system and workflow based on dynamic differential pressure | |
| WO2019230131A1 (en) | Charge control device, transport device, and program | |
| CN110323793A (en) | The equalization methods and device of automobile, power battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190118 Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Applicant after: SVOLT Energy Technology Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Applicant before: GREAT WALL MOTOR Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee before: SVOLT Energy Technology Co.,Ltd. |