CN109484234A - A kind of control method of electric car charging - Google Patents
A kind of control method of electric car charging Download PDFInfo
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- CN109484234A CN109484234A CN201811287989.3A CN201811287989A CN109484234A CN 109484234 A CN109484234 A CN 109484234A CN 201811287989 A CN201811287989 A CN 201811287989A CN 109484234 A CN109484234 A CN 109484234A
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- charging
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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 invention discloses a kind of control method of electric car charging, the control method includes the following steps: S1: obtaining network load situation and vehicle condition information, the vehicle condition information includes the remaining capacity information of battery；S2: according to network load situation and vehicle condition information, control output electric current；S3: judging whether battery capacity reaches threshold value, if so, stopping output, and executes step S4；Otherwise, step S1 is executed；S4: terminate.By the invention it is possible to take into account various factors such as driving safety, power grid security, charge efficiency, charge and discharge are carried out according to the state of battery, avoid the waste of resource.
Description
Technical field
The present invention relates to the control methods that circuit field more particularly to a kind of electric car charge.
Background technique
The development in epoch is followed, electric car is also following.Electric car charging not only becomes in automobile use process
Indispensable link also becomes people's focus of attention the most, and there is different for electric vehicle for different charging modes
Protected mode.For commonly using charging equipment of electric automobile, for an electric vehicle, battery charging equipment is indispensable
One of subsystem, its function is the electric energy for converting the electric energy of power grid to electric-vehicle-mounted battery.Electric car charging
The classification of device has different methods.Vehicle-mounted charging device and off-board charging unit can be generally divided into.Vehicle-mounted charging device,
Refer to the device to charge using land-based AC power grid and vehicle power supply to battery pack being mounted on electric car.Including vehicle-mounted
Charger, vehicle-mounted charge generating set and operation energy regenerating charging unit.It is by an ac power cable with plug
It is directly inserted into the socket of electric car and charges to electric car.Vehicle-mounted charging device is usually using simple structure, convenient control
Contact type charger be also possible to induction electricity charger.It is designed fully according to the type of Vehicular accumulator cell, specific aim compared with
By force.Off-board charging unit, i.e. ground charging unit mainly include special charging machine, special charging station, general battery charger, public affairs
Place charging station etc. altogether.It can satisfy the various charging modes of various batteries.The power of usual off-board charger, volume
It is bigger with weight, so as to adapt to various charging modes.
In addition it is also possible to be charged using traditional charging modes of constant pressure, constant current to electric vehicle.With rather low charging
To charge the battery, size of current is about 15A to electric current, if with the electric power storage of 120Ah (such as 360V, i.e. series connection 12V100Ah30 are only)
For pond, the charging time will continue more than 8 hours.The work of corresponding charger and installation cost compare lower.Electronic vapour
Vehicle household electrically-charging equipment (Vehicular charger) and small-sized charging station mostly use this charging modes.Vehicular charger is pure electric vehicle sedan-chair
The most basic charging equipment of one kind of vehicle.Charger is fixed onboard as standard configuration or is placed in boot.Due to only needing
To can charge in power outlet that the plug of onboard charger is inserted into parking lot or family, thus charging process generally by
Client oneself complete independently.Electricity directly is taken from low-voltage lighting circuit, charge power is smaller, by the standard power grid of 220V/16A specification
Power supply power supply.The typical charging time is 8~10h (SOC reaches 95% or more).This charging modes do not have special want to power grid
It asks, is able to use as long as the power supply quality that can satisfy lighting requirement.
Electric car wireless charging mode is research achievement external in recent years, and principle is just as the movement that uses in vehicle
Phone --- a kind of special laser or microbeam for meeting current art standard requirements is converted electric energy to, on vehicle top
One dedicated antenna is installed to receive.
Have a wireless charging technology, electric car or Dual-energy source automobile travelled on highway can by be mounted on electric pole or
The quick electric energy supplement of transmitter on other skyscrapers.The electricity charge will be deducted from the prepaid card installed on automobile.
But the above method is all difficult to comprehensively take into account driving safety, power grid security, charge efficiency etc. it is interior
Hold.
In order to solve above-mentioned restriction, the invention proposes a kind of control methods of electric car charging.
Summary of the invention
A kind of control method of electric car charging proposed by the present invention, the control method include the following steps:
S1: obtaining network load situation and vehicle condition information, and the vehicle condition information includes the remaining capacity information of battery；
S2: according to network load situation and vehicle condition information, control output electric current；
S3: judging whether battery capacity reaches threshold value, if so, stopping output, and executes step S4；Otherwise, step S1 is executed；
S4: terminate.
Preferably, the car status information also includes the temperature information of battery, and the network load situation includes part
Information on load, integral load information, charge period information；
The localised load information refers to the rated current of electric current the output situation and the branch of the charging paths where charging pile
Export the ratio of situation；
The integral load information refers to the apparent energy that the direct-connected transformer of the charging paths where charging pile averagely exports
The ratio between with transformer rated capacity；
The period information of the charging refers to whether be Peak power use and valley power consumption period.
Preferably, the control method includes the following steps:
The vehicle condition information further includes electric quantity change amount.
Preferably, the S2 specifically:
S21: judge whether overall grid load is greater than Lz；If so, S22 is thened follow the steps, it is no to then follow the steps S23；
S22: charging according to mode 1, and executes step S3；
S23: judge whether partial electric grid load is greater than Lj；If so, S24 is thened follow the steps, it is no to then follow the steps S25；
S24: charging according to mode 2, and executes step S3；
S25: judge whether battery temperature is greater than T0；If so, S26 is thened follow the steps, it is no to then follow the steps S27；
S26: charging according to mode 3, and executes step S3；
S27: charging according to mode 4, and executes step S3.
Preferably, the specific charging modes of the mode 4 are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
It is then charged in a manner of interval, wherein charging current is 0.6~0.8I0, and the time that stops filling at interval is filling for interval
The 5~10% of electric time.
Preferably, the specific charging modes of the mode 4 are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
Then charged in a manner of spacing current variation, wherein high current is 0.6~0.8I0, and low current is 0.3~0.5I0,
The charging time of high current and low current is 3:1~10:1.
Preferably, the specific charging modes of the mode 5 are as follows:
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T1；
It uses output electric current A2 instead to charge the battery, Shi Changwei T2=[T1/10, T1/5]；
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T3；
It uses output electric current A2 instead to charge the battery, Shi Changwei T4=[T3/10, T3/5]；
Wherein, A1 > 5A2；
If voltage is greater than 0.8E0, charging current is equal to A2* ((A1/A2)/(T1/T3)).
Preferably, the specific charging modes of the mode 1 are as follows:
The view that the integral load information refers to that the direct-connected transformer of the charging paths where charging pile averagely exports is calculated to exist
The ratio between power and transformer rated capacity Z1；
Calculate Configuration Values K1, K1=1/ (Z1*Z1)；
According to the product of the output electric current and Configuration Values K1 of mode 5, electric current output is carried out.
Preferably, the specific charging modes of the mode 2 are as follows:
It calculates the localised load information and refers to the specified of the electric current output situations of charging paths where charging pile and the branch
The ratio J1 of electric current output situation；
Calculate Configuration Values K2, K2=1/ (J1*J1)；
According to the product of the output electric current and Configuration Values K2 of mode 5, electric current output is carried out.
Preferably, the specific charging modes of the mode 3 are as follows:
The rate of temperature change of battery is obtained, if the rate of temperature change of battery is more than threshold k 0 and battery temperature is more than T0, is stopped
It charges the battery；
Otherwise it charges according to 10%~30%I0.
The beneficial effects of the present invention are: can take into account driving safety, power grid security, charge efficiency etc. it is various because
Element carries out charge and discharge according to the state of battery, avoids the waste of resource.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is charging flow control figure.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
In conjunction with attached drawing 1-2, specific embodiments of the present invention will be described in further detail.
As shown in Figure 1, a kind of control method of electric car charging, the control method include the following steps:
S1: obtaining network load situation and vehicle condition information, and the vehicle condition information includes the remaining capacity information of battery；
S2: according to network load situation and vehicle condition information, control output electric current；
S3: judging whether battery capacity reaches threshold value, if so, stopping output, and executes step S4；Otherwise, step S1 is executed；
S4: terminate.
Preferably, the car status information also includes the temperature information of battery, and the network load situation includes part
Information on load, integral load information, charge period information；
The localised load information refers to the rated current of electric current the output situation and the branch of the charging paths where charging pile
Export the ratio of situation；
The integral load information refers to the apparent energy that the direct-connected transformer of the charging paths where charging pile averagely exports
The ratio between with transformer rated capacity；
The period information of the charging refers to whether be Peak power use and valley power consumption period.
Preferably, the control method includes the following steps:
The vehicle condition information further includes electric quantity change amount.
Preferably, as shown in Figure 1, the S2 specifically:
S21: judge whether overall grid load is greater than Lz；If so, S22 is thened follow the steps, it is no to then follow the steps S23；
S22: charging according to mode 1, and executes step S3；
S23: judge whether partial electric grid load is greater than Lj；If so, S24 is thened follow the steps, it is no to then follow the steps S25；
S24: charging according to mode 2, and executes step S3；
S25: judge whether battery temperature is greater than T0；If so, S26 is thened follow the steps, it is no to then follow the steps S27；
S26: charging according to mode 3, and executes step S3；
S27: charging according to mode 4, and executes step S3.
Preferably, the specific charging modes of the mode 4 are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
It is then charged in a manner of interval, wherein charging current is 0.6~0.8I0, and the time that stops filling at interval is filling for interval
The 5~10% of electric time.
Preferably, the specific charging modes of the mode 4 are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
Then charged in a manner of spacing current variation, wherein high current is 0.6~0.8I0, and low current is 0.3~0.5I0,
The charging time of high current and low current is 3:1~10:1.
Preferably, the specific charging modes of the mode 5 are as follows:
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T1；
It uses output electric current A2 instead to charge the battery, Shi Changwei T2=[T1/10, T1/5]；
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T3；
It uses output electric current A2 instead to charge the battery, Shi Changwei T4=[T3/10, T3/5]；
Wherein, A1 > 5A2；
If voltage is greater than 0.8E0, charging current is equal to A2* ((A1/A2)/(T1/T3)).
Preferably, the specific charging modes of the mode 1 are as follows:
The view that the integral load information refers to that the direct-connected transformer of the charging paths where charging pile averagely exports is calculated to exist
The ratio between power and transformer rated capacity Z1；
Calculate Configuration Values K1, K1=1/ (Z1*Z1)；
According to the product of the output electric current and Configuration Values K1 of mode 5, electric current output is carried out.
Preferably, the specific charging modes of the mode 2 are as follows:
It calculates the localised load information and refers to the specified of the electric current output situations of charging paths where charging pile and the branch
The ratio J1 of electric current output situation；
Calculate Configuration Values K2, K2=1/ (J1*J1)；
According to the product of the output electric current and Configuration Values K2 of mode 5, electric current output is carried out.
Preferably, the specific charging modes of the mode 3 are as follows:
The rate of temperature change of battery is obtained, if the rate of temperature change of battery is more than threshold k 0 and battery temperature is more than T0, is stopped
It charges the battery；
Otherwise it charges according to 10%~30%I0.
The beneficial effects of the present invention are: can take into account driving safety, power grid security, charge efficiency etc. it is various because
Element carries out charge and discharge according to the state of battery, avoids the waste of resource.
As a further explanation of the present invention, the considerations of the invention further relates to the electric quantity change rates to battery, if battery
Charging change rate be lower than average threshold 80%, the average threshold is provided by background server, then it is assumed that battery exist asks
Topic, is labeled, in order to the sequence preferentially charged for the vehicle.
If the charging change rate of battery is lower than the 80% of average threshold, directly 5 charge in mode.
As a further explanation of the present invention, the invention further relates to drive safety the considerations of, utilizes server tune
With the driving information of vehicle VCU, the driving duration of driver is obtained, if the threshold value that duration is more than setting is driven, according to just
Under reason shape, charge according to 80% share.
For example, if 5 condition to charge in mode of satisfaction, but driving time is more than the threshold value of setting, then with 0.8 multiplied by
Corresponding electric current carries out output charging, to ensure that driver can effectively be rested.
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step be can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, related movement and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of control method of electric car charging, which is characterized in that the control method includes the following steps:
S1: obtaining network load situation and vehicle condition information, and the vehicle condition information includes the remaining capacity information of battery；
S2: according to network load situation and vehicle condition information, control output electric current；
S3: judging whether battery capacity reaches threshold value, if so, stopping output, and executes step S4；Otherwise, step S1 is executed；
S4: terminate.
2. a kind of control method of electric car charging as described in claim 1, which is characterized in that
The car status information also includes the temperature information of battery, and the network load situation includes localised load information, whole
Systemic Burden information, charge period information；
The localised load information refers to the rated current of electric current the output situation and the branch of the charging paths where charging pile
Export the ratio of situation；
The integral load information refers to the apparent energy that the direct-connected transformer of the charging paths where charging pile averagely exports
The ratio between with transformer rated capacity；
The period information of the charging refers to whether be Peak power use and valley power consumption period.
3. a kind of control method of electric car as claimed in claim 2 charging, which is characterized in that the control method includes
Following steps:
The vehicle condition information further includes electric quantity change amount.
4. a kind of control method of electric car charging as claimed in claim 3, which is characterized in that the S2's specifically:
S21: judge whether overall grid load is greater than Lz；If so, S22 is thened follow the steps, it is no to then follow the steps S23；
S22: charging according to mode 1, and executes step S3；
S23: judge whether partial electric grid load is greater than Lj；If so, S24 is thened follow the steps, it is no to then follow the steps S25；
S24: charging according to mode 2, and executes step S3；
S25: judge whether battery temperature is greater than T0；If so, S26 is thened follow the steps, it is no to then follow the steps S27；
S26: charging according to mode 3, and executes step S3；
S27: charging according to mode 4, and executes step S3.
5. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 4 it is specific
Charging modes are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
It is then charged in a manner of interval, wherein charging current is 0.6~0.8I0, and the time that stops filling at interval is filling for interval
The 5~10% of electric time.
6. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 4 it is specific
Charging modes are as follows:
It is charged using the maximum rated current I0 and voltage V0 of battery；
If voltage is greater than 0.8E0,
Then charged in a manner of spacing current variation, wherein high current is 0.6~0.8I0, and low current is 0.3~0.5I0,
The charging time of high current and low current is 3:1~10:1.
7. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 5 it is specific
Charging modes are as follows:
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T1；
It uses output electric current A2 instead to charge the battery, Shi Changwei T2=[T1/10, T1/5]；
It is charged the battery using output electric current A1, when cell voltage reaches specified range, the record used time is T3；
It uses output electric current A2 instead to charge the battery, Shi Changwei T4=[T3/10, T3/5]；
Wherein, A1 > 5A2；
If voltage is greater than 0.8E0, charging current is equal to A2* ((A1/A2)/(T1/T3)).
8. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 1 it is specific
Charging modes are as follows:
The view that the integral load information refers to that the direct-connected transformer of the charging paths where charging pile averagely exports is calculated to exist
The ratio between power and transformer rated capacity Z1；
Calculate Configuration Values K1, K1=1/ (Z1*Z1)；
According to the product of the output electric current and Configuration Values K1 of mode 5, electric current output is carried out.
9. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 2 it is specific
Charging modes are as follows:
It calculates the localised load information and refers to the specified of the electric current output situations of charging paths where charging pile and the branch
The ratio J1 of electric current output situation；
Calculate Configuration Values K2, K2=1/ (J1*J1)；
According to the product of the output electric current and Configuration Values K2 of mode 5, electric current output is carried out.
10. a kind of control method of electric car as claimed in claim 3 charging, which is characterized in that the mode 3 it is specific
Charging modes are as follows:
The rate of temperature change of battery is obtained, if the rate of temperature change of battery is more than threshold k 0 and battery temperature is more than T0, is stopped
It charges the battery；
Otherwise it charges according to 10%~30%I0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287989.3A CN109484234B (en) | 2018-10-31 | 2018-10-31 | Control method for charging of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287989.3A CN109484234B (en) | 2018-10-31 | 2018-10-31 | Control method for charging of electric automobile |
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| CN109484234A true CN109484234A (en) | 2019-03-19 |
| CN109484234B CN109484234B (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688541A (en) * | 2020-06-29 | 2020-09-22 | 安徽锂创电子科技有限公司 | Lithium battery electricity utilization safety supervision system based on cloud platform |
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| CN102044723A (en) * | 2010-11-25 | 2011-05-04 | 奇瑞汽车股份有限公司 | Intelligent charging method for electromobile |
| CN102832624A (en) * | 2012-09-17 | 2012-12-19 | 山东大学 | Networked dispatching system for charging piles of electric automobile with power distribution network |
| WO2013138781A1 (en) * | 2012-03-15 | 2013-09-19 | Chargepoint, Inc. | An electric vehicle charging station dynamically responding to power limit messages based on a recent history of power provided |
| CN103915869A (en) * | 2014-03-10 | 2014-07-09 | 贾英昊 | Electric car intelligent charging system and method on basis of mobile device |
| CN105539189A (en) * | 2016-01-23 | 2016-05-04 | 安徽恒瑞新能源股份有限公司 | Charging control method for electric automobile charging pile |
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2018
- 2018-10-31 CN CN201811287989.3A patent/CN109484234B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044723A (en) * | 2010-11-25 | 2011-05-04 | 奇瑞汽车股份有限公司 | Intelligent charging method for electromobile |
| WO2013138781A1 (en) * | 2012-03-15 | 2013-09-19 | Chargepoint, Inc. | An electric vehicle charging station dynamically responding to power limit messages based on a recent history of power provided |
| CN102832624A (en) * | 2012-09-17 | 2012-12-19 | 山东大学 | Networked dispatching system for charging piles of electric automobile with power distribution network |
| CN103915869A (en) * | 2014-03-10 | 2014-07-09 | 贾英昊 | Electric car intelligent charging system and method on basis of mobile device |
| CN105539189A (en) * | 2016-01-23 | 2016-05-04 | 安徽恒瑞新能源股份有限公司 | Charging control method for electric automobile charging pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688541A (en) * | 2020-06-29 | 2020-09-22 | 安徽锂创电子科技有限公司 | Lithium battery electricity utilization safety supervision system based on cloud platform |
| CN111688541B (en) * | 2020-06-29 | 2021-07-06 | 安徽锂创电子科技有限公司 | Lithium battery electricity utilization safety supervision system based on cloud platform |
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| CN109484234B (en) | 2020-09-29 |
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