CN108773281A - A kind of electromobile charging management control method - Google Patents
A kind of electromobile charging management control method Download PDFInfo
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- CN108773281A CN108773281A CN201810412544.7A CN201810412544A CN108773281A CN 108773281 A CN108773281 A CN 108773281A CN 201810412544 A CN201810412544 A CN 201810412544A CN 108773281 A CN108773281 A CN 108773281A
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- charging
- low tension
- tension battery
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- electric vehicle
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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
-
- 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
- Y02T90/14—Plug-in electric vehicles
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle electric control field, and it is an object of the present invention to provide a kind of electromobile charging management control method that can effectively avoid low tension battery power shortage.Used technical solution is：A kind of electromobile charging management control method, includes the following steps：Entire car controller is automatically into charge mode；BMS judges charging pile type；When charging pile is direct-current charging post, the low pressure for measuring direct-current charging post mends piezoelectric voltage；When the low pressure of direct-current charging post benefit piezoelectric voltage is identical as the low tension battery rated voltage of electric vehicle, electrical interface is mended by the low pressure of direct-current charging post, directly low tension battery is carried out to mend electricity；When the low pressure of direct-current charging post mends the low tension battery rated voltage difference of piezoelectric voltage and electric vehicle, the high-voltage electricity of high-pressure power accumulator is converted to low tension corresponding with low tension battery, carries out mending electricity to low tension battery by the DC converter for starting electric vehicle.The invention can avoid low tension battery power shortages.
Description
Technical field
The present invention relates to electric vehicle electric control fields, and in particular to a kind of electromobile charging management control method.
Background technology
With the continuous aggravation of energy crisis and environmental problem, received using the electric vehicle of new energy more and more extensive
Concern.Electric vehicle can be charged by direct current or alternating current.DC charging be by direct-current charging post directly to
Electric vehicle charges；AC charging is that Vehicular charger is installed on electric vehicle, and Vehicular charger transmits alternating-current charging pile
Alternating current be converted into direct current for electric vehicle charge.
Electric vehicle is pressed provided with the low tension battery of system power supply in order to control and for the height of drive system power supply simultaneously
Power accumulator, when electric vehicle is charged by direct-current charging post, the charging gun of direct-current charging post is in addition to high voltage power
Other than accumulator is charged, it is additionally provided with the low pressure to charge to low tension battery and mends electrical interface.But different automobile types is electronic
The low tension battery of automobile may have different rated voltages, such as：12V or 24V；When low tension battery rated voltage with it is straight
When the low pressure of current charge stake mends piezoelectric voltage difference, may result in direct-current charging post can not be when electric vehicle be charged to low pressure
Accumulator carries out mending electricity, and power shortage occurs so as to cause low tension battery.Effectively low pressure can be avoided to store therefore, it is necessary to study a kind of
The electromobile charging management control method of battery power shortage.
Invention content
The purpose of the present invention is to provide a kind of electromobile charging management controls that can effectively avoid low tension battery power shortage
Method processed.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of electromobile charging management control method, after the charging gun of charging pile is connected to electric vehicle, by with
Lower step carries out Charge Management control：
1) entire car controller is automatically into charge mode；
2) BMS judges charging pile type；
3) when charging pile is direct-current charging post, the low pressure for measuring direct-current charging post is mended piezoelectric voltage and is determined whether and electricity
The low tension battery rated voltage of electrical automobile is identical；
4) when the low pressure of direct-current charging post benefit piezoelectric voltage is identical as the low tension battery rated voltage of electric vehicle, pass through
The low pressure of direct-current charging post mends electrical interface and directly carries out mending electricity to low tension battery；
5) when the low pressure of direct-current charging post mends the low tension battery rated voltage difference of piezoelectric voltage and electric vehicle, start
The high-voltage electricity of high-pressure power accumulator is converted to low tension corresponding with low tension battery, right by the DC converter of electric vehicle
Low tension battery carries out mending electricity.
Preferably, when charging pile be alternating-current charging pile when, start Vehicular charger, by alternating-current charging pile transmit alternating current
Low-voltage DC and high voltage direct current are converted to, is charged respectively to low tension battery and high-pressure power accumulator.
Preferably, electric vehicle is communicated with charging pile and is controlled Vehicular charger and DC converter
Carried out by CAN inside BMS.
Preferably, the charging confirmation signal of charging pile can be transferred to BMS and be checked that BMS passes through inspection result in BMS
Portion CAN is transferred to entire car controller, and whether entire car controller is to allowing charge to decision making and instruction is passed through vehicle control
Device CAN processed is transferred to BMS.
Preferably, when entire car controller detects that electric vehicle there are when failure, can send out to BMS and forbid charging instruction.
Preferably, when entire car controller detects electric vehicle simultaneously inserted with AC charging rifle with DC charging rifle,
It can be sent out to BMS and forbid charging instruction.
Beneficial effects of the present invention embody a concentrated reflection of, and when electric vehicle is connect with charging pile, entire car controller can be automatic
Into charge mode；Under charge mode, battery management system BMS can judge charging pile installation, if charging pile is
The low pressure of direct-current charging post and direct-current charging post benefit piezoelectric voltage is different from the low tension battery rated voltage of electric vehicle, will
Start DC converter the high voltage direct current of high voltage power battery is converted to low-voltage DC, fills low tension battery
Electricity, so, no matter whether the low tension battery rated voltage of electric vehicle with the low pressure of direct-current charging post mends piezoelectric voltage phase
Together, the occurrence of will not result in low tension battery power shortage after electric vehicle charges.In addition, the Charge Management under charge mode
Control is carried out by BMS and entire car controller automatically, is not needed user and is operated, and intelligence degree is high, and having to promote makes
Value.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
Specific implementation mode
1 the present invention is further explained below in conjunction with the accompanying drawings.
A kind of electromobile charging management control method, after the charging gun of charging pile is connected to electric vehicle, by with
Lower step carries out Charge Management control：
1) entire car controller is automatically into charge mode；It should be understood that entire car controller has low-voltage, driving
The various patterns such as pattern, charge mode only just allow to fill electric vehicle when entire car controller enters charge mode
Electricity；Entire car controller can be when having detected charging gun connection automatically into charge mode.
2) BMS judges charging pile type；
3) when charging pile is direct-current charging post, the low pressure for measuring direct-current charging post is mended piezoelectric voltage and is determined whether and electricity
The low tension battery rated voltage of electrical automobile is identical；
4) when the low pressure of direct-current charging post benefit piezoelectric voltage is identical as the low tension battery rated voltage of electric vehicle, pass through
The low pressure of direct-current charging post mends electrical interface and directly carries out mending electricity to low tension battery；It should be understood that low tension battery is adapted to
There is DC charging low-voltage relay, when the low pressure of direct-current charging post mends the low tension battery rated voltage of piezoelectric voltage and electric vehicle
When identical, BMS can be closed DC charging low-voltage relay, and direct-current charging post is enable directly to charge to low tension battery.
5) when the low pressure of direct-current charging post mends the low tension battery rated voltage difference of piezoelectric voltage and electric vehicle, start
The high-voltage electricity of high-pressure power accumulator is converted to low tension corresponding with low tension battery, right by the DC converter of electric vehicle
Low tension battery carries out mending electricity.It should be understood that when the low pressure for mending piezoelectric voltage and electric vehicle when the low pressure of direct-current charging post
When accumulator rated voltage difference, BMS will disconnect DC charging low-voltage relay and start DC converter, by high voltage power
The high-voltage electricity of accumulator is converted to low tension corresponding with low tension battery, charges to low tension battery.
Further, when charging pile be alternating-current charging pile when, start Vehicular charger, by alternating-current charging pile transmit exchange
Electricity is converted to low-voltage DC and high voltage direct current, charges respectively to low tension battery and high-pressure power accumulator.
Embodiments of the present invention are described below, the charging gun of charging pile is connected to electric vehicle by operating personnel, and BMS exists
Information can be sent out to entire car controller by having detected when charging pile connection, entire car controller can be automatically into charge mode.It is filling
Under power mode, BMS can judge charging pile type, if charging pile is alternating-current charging pile, starts Vehicular charger, will hand over
The alternating current of current charge stake transmission is converted to low-voltage DC and high voltage direct current, is stored respectively to low tension battery and high voltage power
Battery charges.If charging pile is the low pressure of low pressure the benefit piezoelectric voltage and electric vehicle of direct-current charging post and direct-current charging post
Accumulator rated voltage is identical, then being charged to high-pressure power accumulator by direct-current charging post and mending electricity by low pressure connects
Mouth charges to low tension battery；If if charging pile is the low pressure benefit piezoelectric voltage and electricity of direct-current charging post and direct-current charging post
The low tension battery rated voltage of electrical automobile is different, then starts height of the DC converter by high-pressure power accumulator of electric vehicle
Piezoelectricity is converted to low tension corresponding with low tension battery, carries out mending electricity to low tension battery, and high-pressure power accumulator then passes through
Direct-current charging post charges.So, no matter the low tension battery rated voltage of electric vehicle whether with direct-current charging post
Low pressure mend piezoelectric voltage it is identical, will not result in electric vehicle charging after low tension battery power shortage the occurrence of.In addition, charging
Charge Management control under pattern is carried out by BMS and entire car controller automatically, is not needed user and is operated, intelligent journey
Degree is high, has the value promoted the use of.
As advanced optimizing for the present invention, electric vehicle is communicated with charging pile and to Vehicular charger and directly
Current converter, which is controlled, to be carried out by CAN inside BMS.It should be understood that using CAN inside BMS and charging pile, vehicle-mounted
Charger, DC converter are communicated, and the traffic load of entire car controller CAN can be reduced.
Further, the charging confirmation signal of charging pile can be transferred to BMS and be checked that inspection result is passed through BMS by BMS
Internal CAN is transferred to entire car controller, and whether entire car controller is to allowing charge to decision making and instruction is passed through vehicle
Controller CAN is transferred to BMS.It should be understood that whether allow charging be managed by entire car controller and send out instruction by
Battery management system BMS is executed.
Further, when entire car controller detects that electric vehicle there are when failure, can send out to BMS and charging is forbidden to refer to
It enables.It should be understood that the failure includes：BMS is pressed with entire car controller communication failure, insulation fault, BMS failures, height
The maximum monomer voltage of power accumulator has reached the maximum charging voltage for allowing charging.
Further, when entire car controller detects electric vehicle simultaneously inserted with AC charging rifle and DC charging rifle
When, it can be sent out to BMS and forbid charging instruction.It should be understood that electric vehicle is provided with direct-current charging interface and exchanges simultaneously
Charging interface, when operating personnel's maloperation causes electric vehicle to be connect simultaneously with AC charging rifle and DC charging rifle, vehicle
Controller can forbid electric vehicle to charge, and the component of electric vehicle is avoided to be damaged.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that not
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these become
More protection scope of the present invention is each fallen with modification.
Claims (6)
1. a kind of electromobile charging management control method, it is characterised in that：It is connected to electric vehicle in the charging gun of charging pile
Afterwards, Charge Management control is carried out by following steps：
1) entire car controller is automatically into charge mode；
2) BMS judges charging pile type；
3) when charging pile is direct-current charging post, the low pressure for measuring direct-current charging post is mended piezoelectric voltage and is determined whether and electronic vapour
The low tension battery rated voltage of vehicle is identical；
4) when the low pressure of direct-current charging post benefit piezoelectric voltage is identical as the low tension battery rated voltage of electric vehicle, pass through direct current
The low pressure of charging pile mends electrical interface and directly carries out mending electricity to low tension battery；
5) when the low pressure of direct-current charging post mends the low tension battery rated voltage difference of piezoelectric voltage and electric vehicle, start electronic
The high-voltage electricity of high-pressure power accumulator is converted to low tension corresponding with low tension battery, to low pressure by the DC converter of automobile
Accumulator carries out mending electricity.
2. a kind of electromobile charging management control method according to claim 1, it is characterised in that：When charging pile is to hand over
When current charge stake, start Vehicular charger, the alternating current that alternating-current charging pile transmits is converted into low-voltage DC and high voltage direct current
Electricity respectively charges to low tension battery and high-pressure power accumulator.
3. a kind of electromobile charging management control method according to claim 2, it is characterised in that：Electric vehicle with fill
Electric stake is communicated and is controlled Vehicular charger and DC converter and carried out by CAN inside BMS.
4. a kind of electromobile charging management control method according to claim 3, it is characterised in that：The charging of charging pile
Confirmation signal can be transferred to BMS and be checked, inspection result is transferred to entire car controller, vehicle by BMS by CAN inside BMS
Whether controller is to allowing charge to decision making and instruction is transferred to BMS by entire car controller CAN.
5. a kind of electromobile charging management control method according to claim 4, it is characterised in that：Work as entire car controller
Detect that electric vehicle there are when failure, can send out to BMS and forbid charging instruction.
6. a kind of electromobile charging management control method according to claim 4 or 5, it is characterised in that：When vehicle control
When device processed detects electric vehicle simultaneously inserted with AC charging rifle with DC charging rifle, it can be sent out to BMS and forbid charging instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412544.7A CN108773281B (en) | 2018-05-03 | 2018-05-03 | Charging management control method for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412544.7A CN108773281B (en) | 2018-05-03 | 2018-05-03 | Charging management control method for electric automobile |
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| CN108773281A true CN108773281A (en) | 2018-11-09 |
| CN108773281B CN108773281B (en) | 2020-03-17 |
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| CN201810412544.7A Active CN108773281B (en) | 2018-05-03 | 2018-05-03 | Charging management control method for electric automobile |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712565A (en) * | 2019-10-23 | 2020-01-21 | 西安电子科技大学芜湖研究院 | Novel battery thermal management system and control method |
| CN110712564A (en) * | 2019-10-23 | 2020-01-21 | 西安电子科技大学芜湖研究院 | Whole electric automobile heat management system and control method |
| CN111332139A (en) * | 2018-12-19 | 2020-06-26 | 丰田自动车株式会社 | Vehicle charging system |
| CN111731124A (en) * | 2020-05-25 | 2020-10-02 | 东风柳州汽车有限公司 | Mobile charging vehicle and charging method thereof |
| CN111762033A (en) * | 2019-04-01 | 2020-10-13 | 北京宝沃汽车有限公司 | Method and device for controlling vehicle power supply, storage medium and vehicle |
| CN113258624A (en) * | 2020-02-11 | 2021-08-13 | 武汉路特斯汽车有限公司 | Direct-current charging control system for low-voltage battery of electric automobile |
| CN113910936A (en) * | 2020-07-09 | 2022-01-11 | 威马智慧出行科技（上海）有限公司 | Vehicle-mounted charger and control method thereof |
| CN114056159A (en) * | 2020-08-03 | 2022-02-18 | 保时捷股份公司 | Method for charging a traction battery of a motor vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114056159A (en) * | 2020-08-03 | 2022-02-18 | 保时捷股份公司 | Method for charging a traction battery of a motor vehicle |
| CN114056159B (en) * | 2020-08-03 | 2024-04-23 | 保时捷股份公司 | Method for charging a traction battery of a motor vehicle |
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| CN108773281B (en) | 2020-03-17 |
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