CN108583312A - It can effectively shorten the power battery circuit control method in charging time - Google Patents
It can effectively shorten the power battery circuit control method in charging time Download PDFInfo
- Publication number
- CN108583312A CN108583312A CN201810272111.6A CN201810272111A CN108583312A CN 108583312 A CN108583312 A CN 108583312A CN 201810272111 A CN201810272111 A CN 201810272111A CN 108583312 A CN108583312 A CN 108583312A
- Authority
- CN
- China
- Prior art keywords
- battery
- power battery
- battery core
- switching switch
- core
- 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.)
- Pending
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Classifications
-
- 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
- B60L58/19—Switching between serial connection and parallel connection of battery modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power battery circuit control method that can effectively shorten the charging time, power batteries（3）Including the first battery core（1）With the second battery core（2）, the first battery core cathode and anode are respectively connected to the first switching switch with the second battery core cathode and positive interpolar（5）With the second switching switch（6）, third switching switch is accessed between the first battery core cathode and the second battery core anode（7）, the first battery core anode and the second battery core cathode are exported respectively as the anode and cathode of power battery；It is controlled by three switching switches of control module pair of power battery, the power battery total voltage U2 during changing power battery charging and discharging.The control method of the present invention is by the switching of power battery charging and discharging circuit, and the battery core by original parallel connection during charging is changed to connect, so that power battery voltage is improved, reduce charging current, in the case of same charging current, substantially reduce the charging time.
Description
Technical field
The present invention relates to a kind of electric automobile power battery circuit control method more particularly to a kind of it can effectively shorten charging
The power battery circuit control method of time.
Background technology
Electric vehicle uses the power resources that high voltage power battery is travelled as vehicle.But from electric vehicle occur with
Come, the charging time of power battery will be grown much compared with the fuel filling time of orthodox car, the charging time of power battery
Long is always that the emphasis of user complains problem.
With the sustainable development of electric vehicle, the electric vehicle charging time can accomplish that a hour is full of individually at present
Electricity, but be still longer much than the fuel filling time of fuel-engined vehicle.Therefore, grinding for the shortening electric vehicle charging time
Study carefully, it is still necessary to primary study and improved necessity, the application of corresponding investigative technique and implementing also have prodigious application value and
Prospect of the application.
It is usually the combination arrangement of even number battery core module inside power battery, it can be according to exact arrangement by battery core module
It is separated from the middle, is divided into two big groups, two big battery cores of equivalent composition.As shown in Figure 1, total battery core of power battery 3 includes first
After reaching target voltage and electricity by connection in series-parallel inside battery core 1 and the second battery core 2, the first battery core 1 and the second battery core 2, then simultaneously
To form total battery core of power battery 3 after connection.The charging circuit of existing electric automobile power battery and the electricity of discharge circuit
Pressure is to maintain consistent, and therefore, the charging voltage and discharge voltage of power battery are U, i.e.,：Existing power battery total voltage
U1=U, wherein：U is also battery core voltage.
Existing electric automobile power battery causes charging current excessively high due to limitations such as the temperature liters of charging circuit,
So that the charging time cannot further shorten.
Invention content
The purpose of the present invention is to provide a kind of power battery circuit control method that can effectively shorten the charging time, the controls
Method processed effectively shortens the charging time by the power battery voltage during switching the change charging of power battery circuit.
In order to achieve the above technical purposes, the present invention adopts the following technical scheme that：
A kind of power battery circuit control method that can effectively shorten the charging time,
Power battery includes the first battery core and the second battery core, by the first switching of access between the first battery core cathode and the second battery core cathode
Switch, the second switching of access switch, the first battery core cathode and the second battery core anode between the first battery core anode and the second battery core anode
Between access third switching switch, the first battery core anode and the second battery core cathode are defeated respectively as the anode and cathode of power battery
Go out；
It is controlled, is changed by the switching of control module pair first switch, the second switching switch, third switching switch of power battery
Power battery total voltage U2 during the charging and discharging of varying force battery.
It is described three switching switch control logic be：
First switching switch connection, the second switching switch connection, third switching switch disconnect, then the first battery core and the second battery core are
Parallel connection, power battery total voltage U2=U, this is the discharge condition circuit of power battery, wherein：U is battery core voltage；
First switching switch disconnects, and the second switching switch disconnects, and third switches switch connection, then the first battery core and the second battery core are
Series connection, power battery total voltage U2=2U, this is the charge state circuitry of power battery, wherein：U is battery core voltage.
A kind of power battery circuit control method that can effectively shorten the charging time of the present invention, for electric powered motor electricity
Pond connection in series-parallel carries out the characteristics of electricity and voltage adjustment,, will be former during charging by the switching of power battery charging and discharging circuit
Carry out battery core in parallel to be changed to connect, power battery voltage is made to improve, reduce charging current, to the same charging current the case where
Under, substantially reduce the charging time.
The power battery circuit control method of the present invention improves power battery by the series-parallel circuit of switching power battery
Voltage can effectively shorten charging time of power battery in the case where ensureing that charging current will not be excessively high.And the present invention
Control method shorten the scheme in charging time compared to other raising charging currents, lower charging current can reduce effectively
The line footpath of charge circuit, makes hardware cost be effectively controlled.
Description of the drawings
Fig. 1 is existing electric automobile power battery connection diagram；
Fig. 2 is the circuit connection diagram of the power battery circuit control method of the present invention.
In figure：1 first battery core, 2 second battery cores, 3 power batteries, 4 existing power battery total voltage U1,5 first switchings are opened
It closes, 6 second switching switches, 7 thirds switching switch, 8 power battery total voltage U2 of the present invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Referring to Fig. 2, a kind of power battery circuit control method that can effectively shorten the charging time, power battery 3 includes the
One battery core 1 and the second battery core 2, by the first switching switch 5 of access between 2 cathode of 1 cathode of the first battery core and the second battery core, the first battery core
1 anode and the second switching switch 6 of access between 2 anode of the second battery core access the between 2 anode of 1 cathode of the first battery core and the second battery core
Three switching switches 7,1 anode of the first battery core and 2 cathode of the second battery core are exported respectively as the anode and cathode of power battery 3.
Switch switch 5, second by the control module pair first of power battery and switches switch 6, the third switching progress of switch 7
Control changes power battery charging circuit and discharge circuit, to the power battery during changing power battery charging and electric discharge
Total voltage U2.
It is described three switching switch control logic be：
First switching switch 5 is connected, the second switching switch 6 is connected, and third switches switch 7 and disconnects, the first battery core 1 and the second battery core
2 be parallel connection, and power battery total voltage U2=U, this is the discharge condition circuit of power battery, wherein：U is battery core voltage；
First switching switch 5 disconnects, the second switching switch 6 disconnects, and third switches switch 7 and connects, the first battery core 1 and the second battery core
2 be series connection, and power battery total voltage U2=2U, this is the charge state circuitry of power battery, wherein：U is battery core voltage.
The power battery circuit control method of the present invention is controlled by the control module to power battery, to control
Three switching switches, the sequence and time that three switchings switch are controllable, realize the switching of power battery total voltage.In power battery
Power battery voltage during charging is twice of power battery voltage when discharging, and same charging current, the charging time can
To shorten half.Therefore, power battery circuit control method of the invention is by the variation to power battery charging/discharging voltage, from
And shorten the charging time.
The power battery circuit control method of the present invention can raise power battery total voltage during charging, and then shorten
Charging time.During power battery discharges, power battery total voltage still drops back to primary voltage, makes the high-tension apparatus on electric vehicle can
With normal operation, therefore there is good technology application value.
The above is merely preferred embodiments of the present invention, be not intended to limit the scope of the present invention, therefore, it is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention should be included in the protection model of the present invention
Within enclosing.
Claims (2)
1. a kind of power battery circuit control method that can effectively shorten the charging time, it is characterized in that：
Power battery（3）Including the first battery core（1）With the second battery core（2）, by the first battery core（1）Cathode and the second battery core（2）It is negative
Interpolar access the first switching switch（5）, the first battery core（1）Anode and the second battery core（2）The second switching of access switch between anode
（6）, the first battery core（1）Cathode and the second battery core（2）Third switching switch is accessed between anode（7）, the first battery core（1）Anode and the
Two battery cores（2）Cathode is respectively as power battery（3）Anode and cathode output；
Switch switch by the control module pair first of power battery（5）, second switching switch（6）, third switching switch（7）Into
Row control, the power battery total voltage U2 during changing power battery charging and discharging.
2. the power battery circuit control method according to claim 1 that can effectively shorten the charging time, it is characterized in that：Institute
Stating three switching switch control logics is：
First switching switch（5）It connects, the second switching switch（6）It connects, third switching switch（7）It disconnects, then the first battery core（1）
With the second battery core（2）For parallel connection, power battery total voltage U2=U, this is the discharge condition circuit of power battery, wherein：U is electricity
Core voltage；
First switching switch（5）It disconnects, the second switching switch（6）It disconnects, third switching switch（7）It connects, then the first battery core（1）
With the second battery core（2）For series connection, power battery total voltage U2=2U, this is the charge state circuitry of power battery, wherein：U is electricity
Core voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272111.6A CN108583312A (en) | 2018-03-29 | 2018-03-29 | It can effectively shorten the power battery circuit control method in charging time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272111.6A CN108583312A (en) | 2018-03-29 | 2018-03-29 | It can effectively shorten the power battery circuit control method in charging time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108583312A true CN108583312A (en) | 2018-09-28 |
Family
ID=63624896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810272111.6A Pending CN108583312A (en) | 2018-03-29 | 2018-03-29 | It can effectively shorten the power battery circuit control method in charging time |
Country Status (1)
| Country | Link |
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| CN (1) | CN108583312A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484246A (en) * | 2018-11-06 | 2019-03-19 | 贾哲敏 | Batteries of electric automobile connection structure |
| WO2020103273A1 (en) * | 2018-11-23 | 2020-05-28 | 北斗航天汽车（北京）有限公司 | Battery pack having quick charging function and quick charging method |
| CN114256891A (en) * | 2020-09-22 | 2022-03-29 | 上海汽车集团股份有限公司 | Charging circuit of electric automobile and electric automobile |
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| CN101916983A (en) * | 2010-08-25 | 2010-12-15 | 海洋王照明科技股份有限公司 | Battery protection circuit and portable light |
| CN201732841U (en) * | 2010-05-04 | 2011-02-02 | 郑州德朗能电池有限公司 | Rechargeable power battery module |
| CN102946139A (en) * | 2012-11-21 | 2013-02-27 | 保定供电公司 | Spared powder automatic switching device of direct current (DC) power supply |
| CN103051019A (en) * | 2012-12-10 | 2013-04-17 | 王奉瑾 | Battery pack series-parallel switching control system and charge and discharge control method thereof |
| US20150140374A1 (en) * | 2013-11-15 | 2015-05-21 | Ricoh Company, Ltd. | Battery state control circuit, battery state control apparatus, and battery pack |
-
2018
- 2018-03-29 CN CN201810272111.6A patent/CN108583312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201732841U (en) * | 2010-05-04 | 2011-02-02 | 郑州德朗能电池有限公司 | Rechargeable power battery module |
| CN101916983A (en) * | 2010-08-25 | 2010-12-15 | 海洋王照明科技股份有限公司 | Battery protection circuit and portable light |
| CN102946139A (en) * | 2012-11-21 | 2013-02-27 | 保定供电公司 | Spared powder automatic switching device of direct current (DC) power supply |
| CN103051019A (en) * | 2012-12-10 | 2013-04-17 | 王奉瑾 | Battery pack series-parallel switching control system and charge and discharge control method thereof |
| US20150140374A1 (en) * | 2013-11-15 | 2015-05-21 | Ricoh Company, Ltd. | Battery state control circuit, battery state control apparatus, and battery pack |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484246A (en) * | 2018-11-06 | 2019-03-19 | 贾哲敏 | Batteries of electric automobile connection structure |
| CN109484246B (en) * | 2018-11-06 | 2022-01-14 | 贾哲敏 | Battery connecting structure of electric automobile |
| WO2020103273A1 (en) * | 2018-11-23 | 2020-05-28 | 北斗航天汽车（北京）有限公司 | Battery pack having quick charging function and quick charging method |
| CN114256891A (en) * | 2020-09-22 | 2022-03-29 | 上海汽车集团股份有限公司 | Charging circuit of electric automobile and electric automobile |
| CN114256891B (en) * | 2020-09-22 | 2023-08-11 | 上海汽车集团股份有限公司 | Charging circuit of electric automobile and electric automobile |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180928 |
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