CN106505662A - Demarcate charging device and the method for work of batteries of electric automobile pool-size - Google Patents
Demarcate charging device and the method for work of batteries of electric automobile pool-size Download PDFInfo
- Publication number
- CN106505662A CN106505662A CN201610952068.9A CN201610952068A CN106505662A CN 106505662 A CN106505662 A CN 106505662A CN 201610952068 A CN201610952068 A CN 201610952068A CN 106505662 A CN106505662 A CN 106505662A
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- China
- Prior art keywords
- battery pack
- energy
- batteries
- electric automobile
- charging device
- 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.)
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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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- 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]
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of charging device for demarcating batteries of electric automobile pool-size and method of work, selection according to user carries out safeguarding charging or normal charge, when the maintenance for carrying out battery pack is charged, the dump energy of battery pack is transferred to energy-storage module by Energy Transfer Equipment by regulation and control, a period of time is stood after battery pack emptying electricity, then again battery pack is charged, first by the energy transfer in energy storage device to battery pack, then battery pack is charged by electrical network by regulating switch again, until battery pack is fully charged, the actual electricity being filled with according to charging process and then the actual capacity for demarcating battery pack；When the normal charge of battery pack is carried out, directly battery pack is charged by electrical network by regulating switch, until battery pack is fully charged.The present invention can flexibly choose whether to carry out maintenance charging according to the needs of user, safeguard the capacity that can demarcate battery pack in charging process online, exactly, with simple, easy to operate advantage.
Description
Technical field
The present invention relates to a kind of automobile power cell technology, more particularly to a kind of filling for batteries of electric automobile pool-size is demarcated
Electric installation and method of work.
Background technology
Battery pack is the core component of electric automobile, the energy density of the magnitude relationship of its capacity to stack battery and electronic
The maximum range of automobile, it is thus determined that battery capacity the estimation of electric automobile remaining driving mileage is had extremely important
Meaning.
Generally referred to as under certain discharging condition, from battery pack, some battery cell is to fill to the capacity of battery pack
The electricity for being discharged to some battery cell battery pack Nei in the case of full state is vented the electricity that can be discharged completely.Generally
Battery capacity is defined by discharge capacity, but as electric automobile is with the difference of operating mode, the discharge current of battery also can
Difference, so estimating that according to discharge process the capacity of battery pack is insecure, but the charging process of electric automobile is then
Single fixation, and due to the coulombic efficiency of commercial batteries very high, so charging capacity and discharge capacity are essentially identical, therefore
In the estimation of batteries of electric automobile pool-size, it is approximately that comparison is rational as battery capacity using charging capacity.But it is actual raw
In work, driver typically will not be just charged in the case where electric automobile is completely without electricity, and general user tends in electricity
Electrical automobile battery pack is charged to electric automobile when also having certain dump energy, until battery pack is completely filled with electricity.But
It is that the electricity calculated using ampere-hour integration method is the electricity being filled with battery pack, rather than battery in this case
The capacity of group.
In fact, the initial capacity of batteries of electric automobile group can be by test measurement obtain, will battery pack according to
Normal capacity means of testing carries out completely charge and discharge, so as to calculate the initial capacity of battery pack.But as battery was being used
In journey, the capacity of monomer can be decayed, and then the capacity of battery pack can also change, even if therefore being surveyed by experimental technique
Go out the initial capacity of battery pack, its realistic meaning is also limited.For electric automobile, there is presently no by using
During the dump energy of battery pack is exhausted, the then way to estimate the capacity of battery pack fully charged to battery pack again.Though
So currently the capacity fade problem of monomer is had compared with in-depth study, but the inconsistency due to batteries monomer battery, lead to
Method using monomer capacity attenuation rule is crossed to predict the decay of battery capacity be also extremely difficult and extremely inaccurate, and
And there is no really the research contents of correlation at present yet.Due to the unrealistic property and the inaccuracy of Forecasting Methodology of experimental technique, such as
What Accurate Calibration electric automobile present battery pool-size is a challenging problem.
Content of the invention
The present invention be directed to batteries of electric automobile group capacity demarcates difficult problem in use, it is proposed that a kind of demarcate electricity
The charging device of electrical automobile battery capacity and method of work, the device can provide a complete charging for battery pack
Journey, and the actual capacity of battery pack is demarcated according to the actual electricity being filled with of battery pack.
The technical scheme is that：A kind of demarcation batteries of electric automobile pool-size charging device, including energy-storage module, energy
Amount transfer device, AC/DC converters and regulating switch, regulating switch A terminate batteries of electric automobile group, and another B ends are selected for three
End, wherein B0 ends are sky, and B1 ports are connected with energy-storage module by Energy Transfer Equipment；B2 ports pass through AC/DC converters
It is connected with charging device outside electric power network.
The energy of the energy-storage module for batteries of electric automobile group nominal energy 25%.
The energy-storage module is battery pack, and Energy Transfer Equipment is bidirectional DC/DC converter.
The energy-storage module is flywheel, and Energy Transfer Equipment is motor and controller.
The method of work for demarcating batteries of electric automobile pool-size charging device, it is characterised in that comprise the following steps that：
1）, user battery pack is connected with charging device, the A ports phase that batteries of electric automobile group is switched by user with charging device
Connection；
2）, start charge, now the B ports of regulating switch be in B0 states；
3）, charging device judge battery pack SOC height, if SOC higher than preset value, skips to step 6）, SOC is less than pre-
If value, charging device will advise that user carries out maintenance charging；
4）, user choose whether to carry out maintenance charging, if it is, execution step 5）, if it is not, then skipping to step 6）；
5）, carry out maintenance charging, the A ports of regulating switch are first connected, and B1 ports, by Energy Transfer Equipment, make battery pack 1
Dump energy is transferred to energy-storage module, after the dump energy emptying of battery pack, stands a period of time, then again battery pack is carried out
Charge, the energy in energy-storage module is transferred to battery pack by Energy Transfer Equipment first, then again by the A ends of regulating switch
Mouth connects B2 ports, battery pack is charged by electrical network, until battery pack is fully charged, according to the reality is filled with by charging process
Border electricity and then the actual capacity of demarcation battery pack；
6）, carry out normal charge, B2 ports are first connected in the A ports of regulating switch 101, directly battery pack are filled by electrical network
Electricity, until battery pack is fully charged；
7）, in charging process is safeguarded if user select interrupt safeguard charge, then will carry out normal charge.
The beneficial effects of the present invention is：The present invention demarcates the charging device of batteries of electric automobile pool-size and work side
Method, can flexibly choose whether to carry out maintenance charging according to the needs of user, and safeguarding can online, exactly in charging process
Battery capacity is demarcated, have the advantages that simple, easy to operate.
Description of the drawings
Schematic diagrames of the Fig. 1 for the demarcation batteries of electric automobile pool-size charging device of the embodiment of the present invention；
Workflow diagrams of the Fig. 2 for the demarcation batteries of electric automobile pool-size charging device of the embodiment of the present invention.
Specific embodiment
The schematic diagram of batteries of electric automobile pool-size charging device is demarcated as shown in Figure 1, and the device is filled in battery pack 001
In electric process, the electricity that is actually filled with according to battery pack 001 is demarcating the actual capacity of battery pack 001.Charging device includes：Storage
Can module 202, Energy Transfer Equipment 201, ACDC converters 301, regulating switch 101.
In Fig. 1, in two ports of regulating switch 101, A ports are used for connecting electric automobile battery pack 001, regulating switch
There are three states 101 B ports：Port B0 is sky；Port B1 is connected with energy-storage module 202 by Energy Transfer Equipment 201；
Port B2 is connected with charging device outside electric power network 401 by AC/DC converters 301.
Apparatus of the present invention operation principle is as follows：When carrying out safeguarding charging to battery pack 001, the port A of regulating switch 101
Passage B1 is connected first, by Energy Transfer Equipment 201, makes the dump energy of battery pack 001 be transferred to energy-storage module 202, battery
After the dump energy emptying of group 001, a period of time is stood, then again battery pack 001 is charged, first by energy-storage module
Electricity in 202 is transferred to battery pack 001 by Energy Transfer Equipment 201, then connects the port A of regulating switch 101 again
Passage B2, is charged to battery pack 001 by electrical network 401, until battery pack 001 is fully charged, is filled with according to charging process
Actual electricity so that demarcate battery pack 001 actual capacity；When the normal charge of battery pack 001 is carried out, regulating switch 101
Passage B2 is connected, directly battery pack 001 is charged by electrical network 401, until battery pack 001 is fully charged.
In one embodiment of the invention, the workflow of apparatus of the present invention is as shown in Fig. 2 specific as follows：
Battery pack is connected by S1, user with charging equipment.Batteries of electric automobile group 001 is switched 101 with charging device by user
Port A is connected；
S2, startup are charged.Now the B ports of regulating switch 101 are in B0 states；
S3, charging device judge the height of the SOC of battery pack, if SOC is higher than preset value, skip to step S6, and SOC is less than pre-
If value, charging device will advise that user carries out maintenance charging；
S4, user choose whether to carry out maintenance charging, if it is, execution step S5, if it is not, then skipping to step S6；
S5, carry out maintenance charging.The port A of regulating switch 101 first connects passage B1, by Energy Transfer Equipment 201, makes battery
The dump energy of group 001 is transferred to energy-storage module 202, after the dump energy emptying of battery pack 001, stands a period of time, then
Again battery pack 001 is charged, the energy in energy-storage module 202 is transferred to battery by Energy Transfer Equipment 201 first
Then the port A of regulating switch 101 is connected passage B2, battery pack 001 is charged by electrical network 401, directly by group 001 again
Fully charged to battery pack 001, according to the actual capacity that the actual electricity is filled with by charging process further demarcates battery pack 001；
S6, carry out normal charge.The port A of regulating switch 101 first connects passage B2, directly by electrical network 401 to battery pack 001
It is charged, until battery pack 001 is fully charged；
S7, in charging process is safeguarded if user select interrupt safeguard charge, then will carry out normal charge.
In one embodiment of the invention, the energy of energy-storage module 202 is generally 001 nominal energy of batteries of electric automobile group
The 25% of amount.
In one embodiment of the invention, energy-storage module 202 is battery pack, and Energy Transfer Equipment 201 is bidirectional DC/DC
The dump energy of batteries of electric automobile group 001 can be transferred to energy-storage module 202 by bidirectional DC/DC converter by converter
In battery pack.When being charged to batteries of electric automobile group 001, can be by energy-storage module 202 by bidirectional DC/DC converter
Electricity in battery is retransferred to batteries of electric automobile group 001.
In another embodiment of the presently claimed invention, energy-storage module 202 is flywheel, realizes electricity using flywheel energy storage
Input and output, Energy Transfer Equipment 201 is motor and controller.Its operation principle is：Can be driven by electric machine controller
Dump energy in batteries of electric automobile group 001 is converted into motor on energy transfer device 201 kinetic energy storage of flywheel
Get up.When being charged to batteries of electric automobile group 001, can pass through on electric machine controller braking energy transfer device 201
Motor cause flywheel deceleration, the kinetic energy of flywheel is converted into electric energy and is supplied to batteries of electric automobile group 001.
Claims (5)
1. one kind demarcates batteries of electric automobile pool-size charging device, it is characterised in that fill including energy-storage module, energy transfer
Put, AC/DC converters and regulating switch, regulating switch A terminates batteries of electric automobile group, and another B ends are three to select ends, wherein B0
Hold as sky, B1 ports are connected with energy-storage module by Energy Transfer Equipment；B2 ports are by AC/DC converters and charging device
Outside electric power network is connected.
2. batteries of electric automobile pool-size charging device is demarcated according to claim 1, it is characterised in that the energy-storage module
Energy for batteries of electric automobile group nominal energy 25%.
3. batteries of electric automobile pool-size charging device is demarcated according to claim 2, it is characterised in that the energy-storage module
It is battery pack, Energy Transfer Equipment is bidirectional DC/DC converter.
4. batteries of electric automobile pool-size charging device is demarcated according to claim 2, it is characterised in that the energy-storage module
It is flywheel, Energy Transfer Equipment is motor and controller.
5. the method for work of batteries of electric automobile pool-size charging device is demarcated according to any one in claim 2 to 4,
Characterized in that, comprising the following steps that：
1）, user battery pack is connected with charging device, the A ports phase that batteries of electric automobile group is switched by user with charging device
Connection；
2）, start charge, now the B ports of regulating switch be in B0 states；
3）, charging device judge battery pack SOC height, if SOC higher than preset value, skips to step 6）, SOC is less than pre-
If value, charging device will advise that user carries out maintenance charging；
4）, user choose whether to carry out maintenance charging, if it is, execution step 5）, if it is not, then skipping to step 6）；
5）, carry out maintenance charging, the A ports of regulating switch are first connected, and B1 ports, by Energy Transfer Equipment, make battery pack 1
Dump energy is transferred to energy-storage module, after the dump energy emptying of battery pack, stands a period of time, then again battery pack is carried out
Charge, the energy in energy-storage module is transferred to battery pack by Energy Transfer Equipment first, then again by the A ends of regulating switch
Mouth connects B2 ports, battery pack is charged by electrical network, until battery pack is fully charged, according to the reality is filled with by charging process
Border electricity and then the actual capacity of demarcation battery pack；
6）, carry out normal charge, B2 ports are first connected in the A ports of regulating switch 101, directly battery pack are filled by electrical network
Electricity, until battery pack is fully charged；
7）, in charging process is safeguarded if user select interrupt safeguard charge, then will carry out normal charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952068.9A CN106505662A (en) | 2016-11-03 | 2016-11-03 | Demarcate charging device and the method for work of batteries of electric automobile pool-size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952068.9A CN106505662A (en) | 2016-11-03 | 2016-11-03 | Demarcate charging device and the method for work of batteries of electric automobile pool-size |
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| Publication Number | Publication Date |
|---|---|
| CN106505662A true CN106505662A (en) | 2017-03-15 |
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|---|---|---|---|
| CN201610952068.9A Pending CN106505662A (en) | 2016-11-03 | 2016-11-03 | Demarcate charging device and the method for work of batteries of electric automobile pool-size |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550928A (en) * | 2018-05-17 | 2018-09-18 | 青岛特锐德电气股份有限公司 | The detection method and system of electric vehicle, charging/discharging apparatus, battery SOH |
| CN109474049A (en) * | 2018-11-01 | 2019-03-15 | 上海理工大学 | Removable Multi-mode charging device and method for electric car charging |
| CN110780209A (en) * | 2019-11-27 | 2020-02-11 | 深圳市科陆电子科技股份有限公司 | BMS battery capacity calibration method |
| CN113064087A (en) * | 2019-12-16 | 2021-07-02 | 观致汽车有限公司 | Flywheel battery electric quantity measuring method and flywheel battery |
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| CN106026279A (en) * | 2016-07-01 | 2016-10-12 | 吴文坚 | Charging pile with energy storage device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550928A (en) * | 2018-05-17 | 2018-09-18 | 青岛特锐德电气股份有限公司 | The detection method and system of electric vehicle, charging/discharging apparatus, battery SOH |
| CN109474049A (en) * | 2018-11-01 | 2019-03-15 | 上海理工大学 | Removable Multi-mode charging device and method for electric car charging |
| CN109474049B (en) * | 2018-11-01 | 2022-03-04 | 上海理工大学 | Movable multi-mode charging method for charging electric automobile |
| CN110780209A (en) * | 2019-11-27 | 2020-02-11 | 深圳市科陆电子科技股份有限公司 | BMS battery capacity calibration method |
| CN110780209B (en) * | 2019-11-27 | 2021-12-17 | 深圳市科陆电子科技股份有限公司 | BMS battery capacity calibration method |
| CN113064087A (en) * | 2019-12-16 | 2021-07-02 | 观致汽车有限公司 | Flywheel battery electric quantity measuring method and flywheel battery |
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