CN106786965A - The method that multiple batteries in electrically-charging equipment carry out SOC balance - Google Patents
The method that multiple batteries in electrically-charging equipment carry out SOC balance Download PDFInfo
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- CN106786965A CN106786965A CN201710030642.XA CN201710030642A CN106786965A CN 106786965 A CN106786965 A CN 106786965A CN 201710030642 A CN201710030642 A CN 201710030642A CN 106786965 A CN106786965 A CN 106786965A
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- battery
- soc
- charging
- charged
- electrically
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
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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
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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
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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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The present invention relates to charging technique field, particularly provide it is a kind of to electrically-charging equipment in multiple batteries method for carrying out SOC balance, the multiple battery is used for simultaneously to same charging electric vehicle.It is contemplated that improving the charging service quality of electrically-charging equipment and the service life of battery.Therefore, methods described comprises the steps：Obtain the SOC of each battery in the multiple battery；The SOC of each acquired battery is compared；The power that each battery is the charging electric vehicle is determined according to comparative result.The present invention carries out SOC balance by the multiple batteries to electrically-charging equipment, on the one hand the small battery electric quantity emptying of SOC is avoided, and SOC big battery also has sufficient electricity, thus when to next charging electric vehicle, can also simultaneously using multiple batteries improve service quality, on the other hand ensure that the uniformity of the charge and discharge number of times of multiple batteries, the equilibrium to battery SOH is realized, the service life of battery is improved.
Description
Technical field
The present invention relates to charging technique field, more particularly to it is a kind of to electrically-charging equipment in multiple batteries carry out SOC balance
Method.
Background technology
Electric automobile is developed rapidly because of energy-conserving and environment-protective, meanwhile, in order to be provided flexibly easily to electric automobile
Charging service, has developed and has used the electrically-charging equipment that rechargeable battery to charging electric vehicle, especially movable charging vehicle.
The charging service flow of the electrically-charging equipment that existing use battery is charged is generally：Open electrically-charging equipment control
Platform, connects charging gun, selects charging service, and electrically-charging equipment control platform is filled according to the COS that operating personnel select
Electric control.If charged to many cars simultaneously, one piece of battery charges to a car, and multiple batteries fill to many cars respectively
Electricity.Because different user demands electricity is different, SOC (the State of Charge of the polylith battery of electrically-charging equipment can be caused:
State-of-charge, is also dump energy) it is different.When polylith battery charges to a car simultaneously, polylith battery will export same
Power, if polylith battery SOC is different, may one piece of battery be vented, at this moment, if to next user charging,
Can only be charged with remaining battery, cause next user's charging interval more long, reduce the experience effect of next user.
On condition that the capacity of the battery of electrically-charging equipment be electrically charged as the capacity of the battery of electrical automobile, if capacity differs
In the case of cause, SOC is carried out to the battery for being electrically charged electrical automobile as standard with the SOC of the battery of electrically-charging equipment and is re-scaled, marked
SOC before the SOC of electrical automobile is equal to demarcation is electrically charged after fixed and is multiplied by calibration coefficient, calibration coefficient is equal to the battery for being electrically charged electrical automobile
Capacity of the capacity divided by the single battery of electrically-charging equipment.
Additionally, after the completion of electrically-charging equipment charging service, its battery has certain dump energy, if it is equal not carry out SOC
Weighing apparatus, each piece of battery dump energy be different, for a long time it cannot be guaranteed that each piece of uniformity of battery charge and discharge number of times, charge and discharge number of times compared with
Many batteries are by quick aging, if at this moment changing battery, just have one piece of battery and are not reaching to change the life-span, and value is without most
Bigization is utilized.
The content of the invention
For above mentioned problem of the prior art, it is an object of the invention to provide it is a kind of to electrically-charging equipment in multiple batteries
The method for carrying out SOC balance, to improve the charging service quality of electrically-charging equipment and allow the charge and discharge number of times of each battery to keep preferable
Uniformity, so as to improve battery whole service life in electrically-charging equipment.
It is of the invention to electrically-charging equipment in multiple batteries carry out the method for SOC balance and comprise the steps：Obtain described
The SOC of each battery in multiple batteries；The SOC of each acquired battery is compared；Determined according to comparative result every
Individual battery is the power that the object to be charged charges.
Preferably, it is described according to comparative result determine each battery be the object to be charged charge power the step of enter
One step includes：If the SOC of each battery is identical or difference is within preset range, each battery is with maximum allowable work(
Rate charges for the object to be charged.
Preferably, it is described according to comparative result determine each battery be the object to be charged charge power the step of enter
One step includes：If the SOC of each battery is differed or difference is outside preset range, the object to be charged is obtained
Demand SOC simultaneously judges whether the object to be charged needs urgent charging.
Preferably, methods described is further included：If it is determined that the object to be charged needs urgent charging, then further
The minimum SOC products of the multiple battery are compared with the demand SOC of the object to be charged, wherein, the minimum SOC
Product is the products of the SOC with the total quantity of the multiple battery of the battery of SOC minimums in the multiple battery.
Preferably, methods described is further included：If the minimum SOC products are more than the demand of the object to be charged
SOC, then each battery is that the object to be charged charges with maximum allowable power.
Preferably, the multiple battery includes the first battery and the second battery, and methods described is further included：If described
Minimum SOC products then determine first battery and described less than the demand SOC of the object to be charged using equation below
The charging power output P of the second battery1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the object to be charged1Represent in first battery and second battery SOC compared with
The SOC of small battery.
Preferably, the charging power output P of SOC larger battery2It is set as the maximum allowable power of the electrically-charging equipment,
And according to first battery and the charging power output P of second battery1And P2Between ratio-dependent SOC it is less
The charging power output P of battery1。
Preferably, the multiple battery includes the first battery and the second battery, and methods described is further included：If it is determined that
The object to be charged need not promptly be charged, then first battery and second battery are determined using equation below
Charging power output P1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the object to be charged1、S2In respectively described first battery and second battery
The SOC of SOC smaller and larger battery, wherein, work as S1+S2-S0<When 0, S is taken3=0.
Preferably, the charging power output P of first battery and second battery1With P2Summation depend on it is described
The demand SOC of object to be charged and expected service time.
Preferably, the electrically-charging equipment is movable charging vehicle or charging station or charging pile；And/or it is described to be charged right
As if electric automobile.
The method of the present invention carries out SOC balance by the multiple batteries to electrically-charging equipment, on the one hand avoids the small electricity of SOC
Pond for electric automobile provides charging service when electricity emptying, and SOC big battery also has sufficient electricity, thus in the case where giving
During one charging electric vehicle, moreover it is possible to while using multiple batteries, shortening the charging interval, improve service quality；On the other hand, lead to
Cross the SOC balance of battery, it is ensured that the uniformity of the charge and discharge number of times of multiple batteries, realize to battery SOH (State of
health：The health status of battery) equilibrium, put forward the service life for having done each battery, be easy to the maintenance of movable charging vehicle.
Brief description of the drawings
Fig. 1 is the charging system structured flowchart of electrically-charging equipment in the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention to electrically-charging equipment in multiple batteries carry out SOC balance method flow chart.
Specific embodiment
The preferred embodiment of the present invention is described with reference to the accompanying drawings and with reference to movable charging vehicle and electric automobile.Ability
Field technique personnel are it should be appreciated that these implementation methods are used only for explaining know-why of the invention, it is not intended that limitation
Protection scope of the present invention.For example, although the application combination electric automobile is described, protection scope of the present invention shows
So should not be limited thereto, on the premise of without departing from balancing principle of the invention, protection scope of the present invention can also be applied to
The device that other any need charge.
In order to improve using the charging service quality and the value for improving its battery of the electrically-charging equipment of rechargeable battery,
The invention provides it is a kind of to electrically-charging equipment in multiple batteries method for carrying out SOC balance, the method is in the multiple battery
For simultaneously to same charging electric vehicle when implement, wherein the electrically-charging equipment can be movable charging vehicle or charging station or
Charging pile etc..As shown in figure 1, the charging system of electrically-charging equipment of the present invention includes multiple batteries, each of which is carried
DC/DC charging modules, each battery is connected in parallel by switching K.When K closures are switched, each battery can be simultaneously electronic to one
Automobile charges, and when K disconnections are switched, each battery can respectively to multiple charging electric vehicles.
Referring next to Fig. 2, Fig. 2 be the embodiment of the present invention to electrically-charging equipment in multiple batteries carry out the side of SOC balance
The flow chart of method.Reference picture 2, SOC balance method of the invention includes obtaining in step sl the SOC of the multiple battery.SOC
It is the state-of-charge of battery, can be used to weigh battery dump energy.The battery of electrically-charging equipment in use for some time, each battery
SOC can be different.In order to carry out the SOC balance of battery, the charge request of user is received in electrically-charging equipment, prepared to user's
During charging electric vehicle, the SOC of each battery of acquisition electrically-charging equipment is first had to.It is known to have various SOC acquisition methods, such as ampere-hour
Integration method, discharge test method, open circuit voltage method, neural network etc..For example, battery SOC is measured using current integration method
Computing formula be：Wherein, SOC0It is initial SOC, CIIt is battery rated capacity, I is
Charging and discharging currents, are negative during charging, for just, θ is efficiency for charge-discharge during electric discharge.Current integration method being capable of real-time estimation battery SOC.
Be compared the SOC of each acquired battery simultaneously in being additionally included in step S2 by SOC balance method of the invention
Determine whether the SOC of each battery is consistent or difference is in acceptable preset range according to comparative result.
In the embodiment shown in Figure 2, if the SOC of each battery is identical or difference is within preset range,
Make each battery in step S3 with maximum allowable power as charging electric vehicle.Specifically, if filled by comparing discovery
Electric facility is identical for the SOC of the multiple batteries to same electric vehicle charging or difference is within preset range, then show
The SOC of the multiple battery be currently in a balanced way, at this moment each battery with maximum allowable power be the charging electric vehicle,
The SOC balance of the multiple battery can be kept, can complete to charge with most fast speed again, obtain good Consumer's Experience.
If conversely, by it is above-mentioned compare find that the SOC of each battery is differed or difference is outside preset range,
The demand SOC of electric automobile is obtained in step s 4 and judges whether electric automobile needs urgent charging.Specifically, if through
Cross to compare and find that electrically-charging equipment is used to be differed to the SOC of multiple batteries of same electric vehicle charging or difference is in predetermined model
Outside enclosing, then the SOC for showing the multiple battery is currently unbalanced, at this moment needs further to obtain the demand of electric automobile
SOC simultaneously judges whether electric automobile needs urgent charging, then according to the demand SOC and electronic vapour of the electric automobile for getting
Whether car needs the information for promptly charging to determine that each battery is the power of charging electric vehicle.More specifically, if it is decided that
Electric automobile needs urgent charging, then further in the step s 7 by the minimum SOC products and electric automobile of the multiple battery
Demand SOC be compared, wherein, the minimum SOC products are SOC and the institute of SOC minimum battery in the multiple battery
State the product of the total quantity of multiple batteries.If determining demand SOC of the minimum SOC products more than electric automobile through comparing,
Then in step slo each battery with maximum allowable power be the charging electric vehicle.By each battery with maximum
Permission power is charging electric vehicle, can complete to charge with prestissimo, meets the need that user's electric automobile needs promptly charge
Ask, simultaneously because demand SOC of the minimum SOC products more than the electric automobile, therefore, be not in after completing to charge
The situation that certain battery is vented completely, it is to avoid can only be charged using percentage of batteries when to next charging electric vehicle
Situation, improves customer experience.As an example, the demand SOC of electric automobile to be charged can be obtained by the APP of user,
When user initiates charging service to be asked, the APP that solicited message leads to mobile phone, vehicle-mounted computer etc. is transmitted to movable charging vehicle, moving charging
Electric car can be provided with corresponding communication terminal.Also demand electricity can be clearly indicated during user's request charging service, is given in this case
User charges to specified electricity.If user does not have specified services demand electricity, user is defaulted as at full charge.
Further, if being less than the demand SOC of electric automobile through comparing the determination minimum SOC products in the step s 7,
In order to avoid the minimum batteries of the SOC in charging process are completely emptied, each battery can not be electricity all with maximum allowable power
Electrical automobile charges, but needs to redefine the charging power output of each battery according to the SOC of each battery.For example,
In the case where the multiple battery includes the first battery and the second battery, if the minimum SOC products are less than electric automobile
Demand SOC, then the charging output of first battery and second battery is determined using equation below in step s 8
Power P1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the electric automobile1Represent in first battery and second battery SOC compared with
The SOC of small battery.The charging power output P of first battery and second battery is being determined1And P2Between ratio
Afterwards, in step s 9 by the charging power output P of SOC larger battery2It is set as the maximum allowable work(of the electrically-charging equipment
Rate, and according to the charging power output P for determining before1And P2Between ratio determine the charging output work of the less batteries of SOC
Rate P1.The maximum allowable power of usual electrically-charging equipment is the specified charge power of the battery of electrically-charging equipment, the specified charge power
Depending on electrically-charging equipment fan-out capability.By by the charging power output P of SOC larger battery2It is set as electrically-charging equipment most
It is big to allow power, the demand that user's electric automobile needs promptly charge can be met.
On the other hand, if judging that electric automobile need not promptly charge in step s 4, according to each electricity for obtaining
The SOC in pond and the demand SOC of electric automobile determine the charging power output of each battery respectively, so as to complete to electric automobile
Into after charging, the SOC of current each unbalance battery is set to reach equilibrium.For example, include in the multiple battery
In the case of first battery and the second battery, when electric automobile need not promptly charge in step s 5 using equation below come
Determine the charging power output P of first battery and second battery1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the electric automobile1、S2In respectively described first battery and second battery
The SOC of SOC smaller and larger battery, wherein, work as S1+S2-S0<When 0, S is taken3=0.Then, treated according in step s 6
The demand SOC of charging object and expected service time determine the charging power output P of first battery and second battery1
With P2Summation, and then determine charging power output P1With P2Value.Thus, after the charging for completing electric automobile, the first electricity
Pond reaches balanced with the SOC of the second battery.
The method of the present invention can realize the SOC balance of multiple batteries of electrically-charging equipment.SOC by multiple batteries is equal
Weighing apparatus, on the one hand avoid the small batteries of SOC for electric automobile provides charging service when electricity be vented, and SOC big battery is also
With sufficient electricity, thus when to next charging electric vehicle, moreover it is possible to while using multiple batteries, when shortening charging
Between, improve service quality.On the other hand, by the SOC balance of battery, it is ensured that the uniformity of the charge and discharge number of times of multiple batteries,
The equilibrium to battery SOH is realized, the service life for having done battery is put forward, is easy to the maintenance of movable charging vehicle.
So far, combined preferred embodiment shown in the drawings describes technical scheme, but, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these
Technical scheme after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. it is a kind of to electrically-charging equipment in multiple batteries method for carrying out SOC balance, the multiple battery is used for simultaneously to same
Object to be charged charges, it is characterised in that methods described comprises the steps：
Obtain the SOC of each battery in the multiple battery；
The SOC of each acquired battery is compared；
Determine that each battery is the power that the object to be charged charges according to comparative result.
2. method according to claim 1, it is characterised in that described to determine that each battery is treated for described according to comparative result
The step of power that charging object charges, further includes：If the SOC of each battery is identical or difference preset range it
Interior, then each battery charges by the object to be charged of maximum allowable power.
3. method according to claim 1, it is characterised in that described to determine that each battery is treated for described according to comparative result
The step of power that charging object charges, further includes：If the SOC of each battery is differed or difference is in preset range
Outside, then obtain the demand SOC of the object to be charged and judge whether the object to be charged needs urgent charging.
4. method according to claim 3, it is characterised in that methods described is further included：If it is determined that described wait to fill
Electric object need it is urgent charge, then further by the demand of the minimum SOC products of the multiple battery and the object to be charged
SOC is compared, wherein, the minimum SOC products be the SOC of SOC minimum battery in the multiple battery with it is the multiple
The product of the total quantity of battery.
5. method according to claim 4, it is characterised in that methods described is further included：If the minimum SOC multiplies
Product is more than the demand SOC of the object to be charged, then each battery is that the object to be charged charges with maximum allowable power.
6. method according to claim 4, it is characterised in that the multiple battery includes the first battery and the second battery,
Methods described is further included：If the minimum SOC products are utilized less than the demand SOC of the object to be charged
Equation below determines the charging power output P of first battery and second battery1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the object to be charged1SOC is smaller in representing first battery and second battery
Battery SOC.
7. method according to claim 6, it is characterised in that the charging power output P of SOC larger battery2It is set as institute
The maximum allowable power of electrically-charging equipment is stated, and according to first battery and the charging power output P of second battery1With
P2Between the less batteries of ratio-dependent SOC charging power output P1。
8. method according to claim 3, it is characterised in that the multiple battery includes the first battery and the second battery,
Methods described is further included：If it is determined that the object to be charged need not promptly charge, then using equation below come
Determine the charging power output P of first battery and second battery1And P2Between ratio：
Wherein, S0It is the demand SOC, S of the object to be charged1、S2In respectively described first battery and second battery
The SOC of SOC smaller and larger battery.
9. method according to claim 8, it is characterised in that the charging output of first battery and second battery
Power P1With P2Summation depend on the object to be charged demand SOC with charge expeced time.
10. method according to any one of claim 1 to 9, it is characterised in that the electrically-charging equipment is movable charging vehicle
Or charging station or charging pile；And/or described to be charged pair as if electric automobile.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030642.XA CN106786965B (en) | 2017-01-17 | 2017-01-17 | The method that SOC balance is carried out to multiple batteries in electrically-charging equipment |
| PCT/CN2017/095147 WO2018133362A1 (en) | 2017-01-17 | 2017-07-31 | Method for balancing socs of multiple batteries in charging facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030642.XA CN106786965B (en) | 2017-01-17 | 2017-01-17 | The method that SOC balance is carried out to multiple batteries in electrically-charging equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786965A true CN106786965A (en) | 2017-05-31 |
| CN106786965B CN106786965B (en) | 2019-07-12 |
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| CN201710030642.XA Active CN106786965B (en) | 2017-01-17 | 2017-01-17 | The method that SOC balance is carried out to multiple batteries in electrically-charging equipment |
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| WO (1) | WO2018133362A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133362A1 (en) * | 2017-01-17 | 2018-07-26 | 上海蔚来汽车有限公司 | Method for balancing socs of multiple batteries in charging facility |
| CN108819747A (en) * | 2018-06-13 | 2018-11-16 | 蔚来汽车有限公司 | The multiple branch circuit power allocation management of multiple branch circuit energy-storage system |
| CN110303941A (en) * | 2019-07-25 | 2019-10-08 | 爱驰汽车有限公司 | A kind of battery equalization method, system, equipment and medium |
| CN110654268A (en) * | 2019-10-12 | 2020-01-07 | 中车资阳机车有限公司 | Ultra-high-power battery equalizing charging circuit for locomotive and control management method |
| CN110682831A (en) * | 2018-06-19 | 2020-01-14 | 广州汽车集团股份有限公司 | Vehicle-mounted power battery equalization method and device and automobile |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3106093A1 (en) | 2020-01-09 | 2021-07-16 | Psa Automobiles Sa | CHARGING DEVICE FOR RECHARGEABLE ELECTRIC OR HYBRID MOTOR VEHICLES |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593893A (en) * | 2012-02-01 | 2012-07-18 | 广州市香港科大霍英东研究院 | System for realizing balanced discharging of battery sets |
| CN104810843A (en) * | 2014-12-08 | 2015-07-29 | 盐城工学院 | Active power control method for MW-level battery energy storage system based on battery charge state |
| CN105226777A (en) * | 2015-09-22 | 2016-01-06 | 国网上海市电力公司 | A kind of Poewr control method of energy-storage system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010038665A1 (en) * | 2008-09-30 | 2010-04-08 | 日本碍子株式会社 | Method for controlling sodium-sulfur battery |
| JP2011055592A (en) * | 2009-08-31 | 2011-03-17 | Yokogawa Electric Corp | Secondary cell and method for charging and discharging the same |
| US10293693B2 (en) * | 2015-04-21 | 2019-05-21 | Samsung Electronics Co., Ltd. | Battery control method and apparatus, battery module, and battery pack |
| CN106099965B (en) * | 2016-06-28 | 2018-12-25 | 太原理工大学 | Exchange the control method for coordinating of COMPLEX MIXED energy-storage system under micro-grid connection state |
| CN106786965B (en) * | 2017-01-17 | 2019-07-12 | 上海蔚来汽车有限公司 | The method that SOC balance is carried out to multiple batteries in electrically-charging equipment |
-
2017
- 2017-01-17 CN CN201710030642.XA patent/CN106786965B/en active Active
- 2017-07-31 WO PCT/CN2017/095147 patent/WO2018133362A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593893A (en) * | 2012-02-01 | 2012-07-18 | 广州市香港科大霍英东研究院 | System for realizing balanced discharging of battery sets |
| CN104810843A (en) * | 2014-12-08 | 2015-07-29 | 盐城工学院 | Active power control method for MW-level battery energy storage system based on battery charge state |
| CN105226777A (en) * | 2015-09-22 | 2016-01-06 | 国网上海市电力公司 | A kind of Poewr control method of energy-storage system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133362A1 (en) * | 2017-01-17 | 2018-07-26 | 上海蔚来汽车有限公司 | Method for balancing socs of multiple batteries in charging facility |
| CN108819747A (en) * | 2018-06-13 | 2018-11-16 | 蔚来汽车有限公司 | The multiple branch circuit power allocation management of multiple branch circuit energy-storage system |
| CN108819747B (en) * | 2018-06-13 | 2021-11-02 | 蔚来(安徽)控股有限公司 | Multi-branch power distribution management for multi-branch energy storage system |
| CN110682831A (en) * | 2018-06-19 | 2020-01-14 | 广州汽车集团股份有限公司 | Vehicle-mounted power battery equalization method and device and automobile |
| CN110682831B (en) * | 2018-06-19 | 2021-05-14 | 广州汽车集团股份有限公司 | Vehicle-mounted power battery equalization method and device and automobile |
| CN110303941A (en) * | 2019-07-25 | 2019-10-08 | 爱驰汽车有限公司 | A kind of battery equalization method, system, equipment and medium |
| CN110303941B (en) * | 2019-07-25 | 2021-06-15 | 爱驰汽车有限公司 | Battery equalization method, system, equipment and medium |
| CN110654268A (en) * | 2019-10-12 | 2020-01-07 | 中车资阳机车有限公司 | Ultra-high-power battery equalizing charging circuit for locomotive and control management method |
| WO2021068552A1 (en) * | 2019-10-12 | 2021-04-15 | 中车资阳机车有限公司 | Equalizing charging circuit for super-power battery for locomotive, and control and management method |
| CN110654268B (en) * | 2019-10-12 | 2023-10-27 | 中车资阳机车有限公司 | Equalizing charge control management method for super-power battery for locomotive |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| CN111993953B (en) * | 2020-08-27 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
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| CN106786965B (en) | 2019-07-12 |
| WO2018133362A1 (en) | 2018-07-26 |
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