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CN113507159B - Charging control system and method based on electric automobile - Google Patents

Charging control system and method based on electric automobile Download PDF

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Publication number
CN113507159B
CN113507159B CN202111058867.9A CN202111058867A CN113507159B CN 113507159 B CN113507159 B CN 113507159B CN 202111058867 A CN202111058867 A CN 202111058867A CN 113507159 B CN113507159 B CN 113507159B
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charging
preset
module
vehicle
power
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CN113507159A (en
Inventor
邵为为
邵建根
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Nantong Mingnuo Electric Technology Co ltd
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Nantong Mingnuo Electric Technology Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/443—Methods for charging or discharging in response to temperature
    • 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]
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a charging control system and method based on an electric automobile, and relates to the technical field of electric automobiles. According to the charging control system and method based on the electric automobile, the vehicle data of the vehicle to be charged are obtained through the data obtaining module, the determined vehicle data are correlated with the internet data according to the data correlation module, the battery capacity of the vehicle to be charged is obtained, when the battery capacity is determined, the charging time length is preliminarily determined through the charging determining module according to the battery capacity, the charging time length and/or the charging power and/or the detection period are/is adjusted according to the charging power of the charging determining module and the comparison result of the real-time charging amount and/or the temperature of the obtaining module outdoor temperature and the battery temperature during charging and the preset value, the control precision of the charging control system of the electric automobile is improved, and the charging efficiency of the electric automobile is further improved.

Description

Charging control system and method based on electric automobile
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a charging control system and method based on an electric automobile.
Background
The electric automobile is an automobile which uses electric energy as a power source and runs by being driven by a motor, belongs to new energy automobiles and comprises a pure electric automobile, a hybrid electric automobile and a fuel cell electric automobile.
The electric vehicle charging system is a station for charging an electric vehicle. With the popularization of electric vehicles, an electric vehicle charging system is a key point for the development of the automobile industry and the energy industry. The electric vehicle charging system can better solve the problem of quick charging, and is energy-saving and emission-reducing.
The existing charging system of the electric automobile can only charge the electric automobile in a targeted manner, or charge the electric automobile in a charging pile, and when the electric automobile is charged through the charging pile, the charging pile can not acquire the charging process of the electric automobile on the one hand, and on the other hand can not accurately control the charging process according to the battery condition of the electric automobile.
Disclosure of Invention
Therefore, the invention provides a charging control system and method based on an electric automobile, which are used for solving the problem of low charging efficiency caused by low detection and control precision of the charging control system on the charging process of the electric automobile in the prior art.
In order to achieve the above object, an aspect of the present invention provides a charging control system for an electric vehicle, including:
the data acquisition module is used for acquiring vehicle data of a vehicle to be charged;
the data association module is connected with the data acquisition module and used for associating the vehicle data with the internet data to determine the battery capacity of the vehicle;
the charging determining module is connected with the data correlation module and is used for preliminarily determining the charging power and the charging time length of the vehicle according to the determined battery capacity of the vehicle;
the temperature acquisition module is connected with the charging determination module and is used for acquiring the outdoor temperature and the temperature of the vehicle battery in the charging process;
the charging adjusting module is connected with the temperature acquiring module and the charging determining module and is used for adjusting charging power and/or charging time according to the outdoor temperature and the vehicle battery temperature acquired by the temperature acquiring module;
the early warning module is connected with the temperature acquisition module and is used for early warning when the temperature of the vehicle battery exceeds a preset threshold value;
the charging determining module and the temperature obtaining module are also connected with the battery management system;
the charging determining module is used for determining the charging power of the vehicle according to the vehicle data when the charging time is determined to be ti, and the charging determining module selects a corresponding charging time adjusting coefficient according to the comparison result of the determined charging power and the preset charging power to adjust the charging time;
the charging adjusting module is further used for judging whether the charging time length is corrected or not according to a comparison result of the outdoor temperature and the preset outdoor temperature, and selecting a corresponding charging time length correction coefficient to correct the charging time length when the charging adjusting module judges that the charging time length needs to be corrected;
the charging determining module is further used for obtaining the battery charging amount according to a preset period, when the battery temperature is larger than or equal to the preset battery temperature, selecting a period adjusting coefficient according to the temperature difference value between the battery temperature and the preset battery temperature to adjust the preset period, and when the battery temperature is smaller than the preset battery temperature, selecting a corresponding power adjusting coefficient according to the electric quantity difference value between the preset charging amount and the charging amount to adjust the charging power.
The invention provides a charging control method based on an electric automobile, which comprises the following steps:
step S1, vehicle data of a vehicle to be charged are obtained, and the battery capacity of the vehicle to be charged is determined from the vehicle data;
step S2, determining the charging power and the charging time of the vehicle to be charged according to the acquired battery capacity;
step S3, acquiring real-time outdoor temperature and battery temperature of the vehicle to be charged, and judging whether the charging power and/or the charging time needs to be adjusted and/or corrected according to the outdoor temperature and/or the battery temperature;
when the vehicle is charged, the charging determining module preliminarily determines charging time according to the battery capacity determined by the data association module, determines the charging power according to the vehicle data when the charging time is determined to be completed, and selects a corresponding charging time adjusting coefficient according to a comparison result of the charging power and a preset charging power to adjust the charging time when the charging power is determined to be completed;
when the charging time length is adjusted, the charging adjusting module selects a corresponding correction coefficient according to a comparison result of the outdoor temperature and the preset outdoor temperature to correct the charging time length;
when the charging adjusting module finishes correcting the charging time, the charging determining module obtains the charging amount of the vehicle in a preset period, and determines whether the charging is normal or not according to the comparison result of the charging amount and the preset charging amount, and when the charging adjusting module determines that the charging is abnormal, the charging adjusting module determines to adjust the preset period or adjust the charging power according to the comparison result of the battery temperature and the preset battery temperature.
Further, in the step S1, when the vehicle is charged, the data acquiring module acquires the vehicle data to be charged includes scanning the vehicle body by the image pickup device and the infrared device, acquiring the vehicle model, and preliminarily determining the battery capacity according to the vehicle model.
Further, when the determination of the battery capacity is completed, the charging determination module preliminarily determines the charging time period according to a comparison result of the battery capacity M and a preset battery capacity,
the charging determination module is provided with a first preset battery capacity M1, a second preset battery capacity M2, a third preset battery capacity M3, a first charging time period t1, a second charging time period t2 and a third charging time period t3, wherein M1 is more than M2 is more than M3, t1 is more than t2 is more than t3,
when M1 is less than or equal to M < M2, the charge determination module preliminarily determines the charge time period of the vehicle as a first charge time period t 1;
when M2 is greater than or equal to M < M3, the charge determination module preliminarily determines the charge time period of the vehicle as a second charge time period t 2;
when M < M3, the charge determination module preliminarily determines the charge period of the vehicle as a third charge period t 3.
Further, when the charging time period is determined to be ti by the charging determination module, i =1, 2, 3 is set, the charging determination module determines the charging power of the vehicle according to the vehicle data, and adjusts the charging time period according to the determined charging power when the determination is completed, the charging determination module is further provided with a first preset charging power P1, a second preset charging power P2, a third preset charging power P3, a first charging time period adjustment coefficient K1 and a second charging time period adjustment coefficient K2, P1 < P2 < P3, 0.5 < K2 < K1 < 1 is set,
the charging determining module judges whether the vehicle is suitable for high-power charging according to user selection and/or vehicle data, and when the vehicle is judged to be suitable, the charging adjusting module charges the vehicle according to the charging power selected by the user and selects a corresponding charging time length adjusting coefficient to adjust the charging time length,
when the charging determination module selects a first preset charging power P1, the charging adjustment module does not adjust the charging time ti;
when the charging determination module selects a second preset charging power P2, the charging adjustment module selects a first charging time period adjustment coefficient K1 to adjust the charging time period ti;
when the charging determination module selects a third preset charging power P3, the charging adjustment module selects a second charging time period adjustment coefficient K2 to adjust the charging time period ti;
when the charging adjusting module selects the j-th charging time length adjusting coefficient Kj to adjust the charging time length, j =1, 2, 3 is set, the charging determining module sets the adjusted charging time length as t ', and sets t' = ti × Kj.
Further, when the vehicle is charged, the charging adjustment module determines whether to correct the charging time length according to a comparison result between the outdoor temperature T and the preset outdoor temperature acquired by the temperature acquisition module, the temperature acquisition module is provided with a first preset outdoor temperature T1, a second preset outdoor temperature T2 and a third preset outdoor temperature T3, the charging adjustment module is further provided with a first charging time length correction coefficient X1, a second charging time length correction coefficient X2 and a third charging time length correction coefficient X3, wherein T1 < T2 < T3, 1 < X1 < X2 < X3 < 2 are set,
when T is larger than or equal to T3, the charging adjusting module does not correct the charging time length;
when T2 is not less than T < T3, the charging adjusting module corrects the charging time length and selects a first charging time length correction coefficient X1 to correct the charging time length;
when T1 is not less than T < T2, the charging adjusting module corrects the charging time length and selects a second charging time length correction coefficient X2 to correct the charging time length;
when T is less than T1, the charging adjusting module corrects the charging time length and selects a third charging time length correction coefficient X3 to correct the charging time length;
when the charging adjustment module selects an nth charging time period correction coefficient Xn to correct the charging time period, n =1, 2, 3 is set, and the charging adjustment module sets the corrected charging time period to t ' ″, setting t ' = t ' × Xn.
Further, the charging determination module is also provided with a preset charging amount G0, and when the vehicle is being charged, the charging determination module obtains the charging amount G of the vehicle in a preset period D, and compares the charging amount G in the preset period with a preset charging amount G0, if G is greater than or equal to G0, the charging determination module determines that the vehicle is normally charged, and if G is less than G0, the charging determination module determines that the vehicle is abnormally charged.
Further, the temperature obtaining module is further provided with a preset battery temperature Q0, when the charging determining module determines that the vehicle is abnormally charged, the temperature obtaining module obtains the battery temperature Q of the battery management system and compares the battery temperature Q with a preset battery temperature Q0, if Q is greater than or equal to Q0, the charging determining module adjusts the preset period D, and if Q is less than Q0, the charging adjusting module adjusts the charging power.
Further, when the charging determination module adjusts the preset period D, the charging determination module calculates a temperature difference Δ Q between the battery temperature Q and a preset battery temperature Q0, sets Δ Q = Q-Q0, selects a corresponding period adjustment coefficient according to a comparison result between the temperature difference and the preset temperature difference to adjust the preset period D,
the charging determination module is further provided with a first preset temperature difference value delta Q1, a second preset temperature difference value delta Q2, a third preset temperature difference value delta Q3, a first period adjustment coefficient E1, a second period adjustment coefficient E2 and a third period adjustment coefficient E3, wherein delta Q1 is larger than delta Q2 is larger than delta Q3, 0.5 is larger than E3 is larger than E2 is larger than E1 is smaller than 1,
when the delta Q1 is more than or equal to the delta Q < delta Q2, the charging determination module selects a first period adjustment coefficient E1 to adjust a preset period;
when the delta Q2 is more than or equal to the delta Q < delta Q3, the charging determination module selects a second period adjustment coefficient E2 to adjust the preset period;
when the delta Q is larger than or equal to the delta Q3, the charging determination module selects a third cycle adjustment coefficient E3 to adjust a preset cycle;
when the charging determination module selects a z-th cycle adjustment coefficient Ez to adjust the preset cycle, setting z =1, 2 and 3, setting the adjusted preset cycle to be D ' and setting D ' = D × Ez, and when the temperature acquisition module detects that the battery temperature Q in the W preset cycles D ' is larger than or equal to the preset battery temperature Q0, sending out an abnormal charging early warning by the early warning module.
Further, when the charging adjustment module adjusts the charging power, the charging determination module calculates an electric quantity difference Δ G between the charging amount G and a preset charging amount G0, sets Δ G = G0-G, and the charging adjustment module selects a corresponding power adjustment coefficient according to a comparison result between the electric quantity difference and the preset electric quantity difference to adjust the charging power adjustment coefficient,
the charging regulation module is also provided with a first preset electric quantity difference value delta G1, a second preset electric quantity difference value delta G2, a third preset electric quantity difference value delta G3, a first power regulation coefficient R1, a second power regulation coefficient R2 and a third power regulation coefficient R3, wherein delta G1 is more than delta G2 is more than delta G3, 1 is more than R1 is more than R2 is more than R3,
when the delta G1 is not less than delta G and is less than delta G2, the charging adjusting module selects a first power adjusting coefficient R1 to adjust the charging power;
when the delta G2 is not less than delta G and is less than delta G3, the charging adjusting module selects a second power adjusting coefficient R2 to adjust the charging power;
when the delta G is larger than or equal to the delta G3, the charging adjusting module selects a third power adjusting coefficient R3 to adjust the charging power;
when the charging adjusting module selects the s-th power adjusting coefficient Rs to adjust the charging power, s =1, 2, 3 is set, the charging adjusting module sets the adjusted charging power to P ', and sets P' = Pc × Rs, wherein Pc is the c-th charging power, and c =1, 2, 3 is set. .
Compared with the prior art, the method has the advantages that the vehicle data of the vehicle to be charged are obtained, the battery capacity of the vehicle to be charged is obtained from the internet according to the vehicle data, the charging time and the charging power are determined according to the obtained battery capacity when the battery capacity is obtained, when the vehicle to be charged is charged, the outdoor temperature, the battery temperature and the charging amount are obtained in real time, whether the charging process of the battery is normal or not is judged according to the obtained outdoor temperature, the battery temperature and the comparison result of the charging amount and the preset value, and the charging time and the charging power are adjusted when the charging process is judged to be abnormal, so that the control precision of the charging control system of the electric automobile is improved, and the charging efficiency of the electric automobile is further improved.
Further, the control precision of the electric vehicle charging control system is improved by acquiring the vehicle data of the vehicle to be charged, acquiring the battery capacity of the vehicle to be charged from the internet according to the vehicle data, determining the charging time and the charging power according to the acquired battery capacity when the battery capacity is acquired, acquiring the outdoor temperature, the battery temperature and the charging amount in real time when the vehicle to be charged is charged, judging whether the charging process of the battery is normal according to the comparison result of the acquired outdoor temperature, the battery temperature and the charging amount with the preset value, and adjusting the charging time and the charging power when the charging process is not normal, so that the charging efficiency of the electric vehicle is further improved.
The control system improves the management of the vehicle by acquiring the vehicle model and the vehicle license plate, and improves the safety of the control system by acquiring whether drivers and passengers exist in the vehicle and carrying out early warning through the early warning module when judging that the drivers and passengers exist in the vehicle.
Furthermore, the preset battery capacity and the charging time are set in the charging determining module, and the charging time of the vehicle to be charged is preliminarily determined according to the acquired comparison result of the battery capacity and the battery capacity of the vehicle to be charged, so that the control precision of the charging control system of the electric automobile is further improved, and the charging efficiency of the electric automobile is further improved.
Furthermore, the charging power and the charging time length adjusting coefficient are set in the charging determining module, and when the charging power changes due to user selection or power adjustment, the charging time length is adjusted according to the changed power, so that the control precision of the charging control system of the electric automobile is further improved, and the charging efficiency of the electric automobile is further improved.
Furthermore, the temperature acquisition module is used for setting a preset outdoor temperature, the charging adjustment module is used for setting a charging time correction coefficient, the outdoor temperature is acquired in real time, and the charging time is corrected by selecting the corresponding correction coefficient according to the comparison result of the outdoor temperature and the preset outdoor temperature, so that the control precision of the charging control system of the electric automobile is further improved, and the charging efficiency of the electric automobile is further improved.
Furthermore, a preset period, a preset charging amount and a preset battery temperature are set in the charging determination module, whether the vehicle is normally charged is determined according to a comparison result of the charging amount in the preset period and the preset charging amount, when the charging is determined to be abnormal, an abnormal charging item is further determined by acquiring the battery temperature, the detection period is determined or the charging power is determined according to the determination result, the charging process is further pre-warned by detecting the charging temperature in the adjusted period, the control precision of the charging control system of the electric vehicle is further improved, and the charging efficiency of the electric vehicle is further improved.
Drawings
FIG. 1 is a logic block diagram of an electric vehicle-based charging control system according to the present invention;
fig. 2 is a flowchart of a charging control method based on an electric vehicle according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a logic block diagram of a charging control system based on an electric vehicle according to the present invention.
One aspect of the present invention provides a charging control system based on an electric vehicle, including:
the data acquisition module is used for acquiring vehicle data of a vehicle to be charged;
the data association module is connected with the data acquisition module and used for associating the vehicle data with the internet data to determine the battery capacity of the vehicle;
the charging determining module is connected with the data correlation module and is used for preliminarily determining the charging power and the charging time length of the vehicle according to the determined battery capacity of the vehicle;
the temperature acquisition module is connected with the charging determination module and is used for acquiring the outdoor temperature and the temperature of the vehicle battery in the charging process;
the charging adjusting module is connected with the temperature acquiring module and the charging determining module and is used for adjusting charging power and/or charging time according to the outdoor temperature and the vehicle battery temperature acquired by the temperature acquiring module;
the early warning module is connected with the temperature acquisition module and is used for early warning when the temperature of the vehicle battery exceeds a preset threshold value;
the charging determination module and the temperature acquisition module are also connected with the battery management system.
Specifically, the vehicle data of the vehicle to be charged is obtained through the data obtaining module, the determined vehicle data is associated with the internet data according to the data association module to obtain the battery capacity of the vehicle to be charged, when the battery capacity is determined to be completed, the charging duration is preliminarily determined through the charging determination module according to the battery capacity, the charging duration and/or the charging power and/or the detection period are/is adjusted according to the charging power of the charging determination module and the comparison result of the real-time charging amount and/or the outdoor temperature of the temperature obtaining module and the battery temperature during charging and a preset value, the control precision of the electric vehicle charging control system is improved, and therefore the charging efficiency of the electric vehicle is further improved.
Fig. 2 is a flowchart illustrating a charging control method based on an electric vehicle according to the present invention.
The invention provides a charging control method based on an electric automobile, which comprises the following steps:
step S1, vehicle data of a vehicle to be charged are obtained, and the battery capacity of the vehicle to be charged is determined from the vehicle data;
step S2, determining the charging power and the charging time of the vehicle to be charged according to the acquired battery capacity;
step S3, acquiring real-time outdoor temperature and battery temperature of the vehicle to be charged, and judging whether the charging power and/or the charging time needs to be adjusted and/or corrected according to the outdoor temperature and/or the battery temperature;
when the vehicle is charged, the charging determining module preliminarily determines the charging time length according to the battery capacity determined by the data association module, the charging adjusting module adjusts the charging time length according to the determined vehicle power, and corrects the charging time length according to the comparison result of the outdoor temperature and the preset outdoor temperature acquired by the temperature acquiring module and the comparison result of the charging temperature and the preset charging temperature.
Specifically, vehicle data of a vehicle to be charged are acquired, battery capacity of the vehicle to be charged is acquired from the internet according to the vehicle data, when the battery capacity is acquired, charging time duration and charging power are determined according to the acquired battery capacity, when the vehicle to be charged is charged, outdoor temperature, battery temperature and charging quantity are acquired in real time, whether the charging process of the battery is normal or not is judged according to comparison results of the acquired outdoor temperature, battery temperature, charging quantity and preset values, when the charging process is not normal, the charging time duration and charging power are adjusted, and control accuracy of the charging control system of the electric vehicle is improved, so that charging efficiency of the electric vehicle is further improved.
Referring to fig. 2, in the step S1, when the vehicle is charged, the data obtaining module obtains the data of the vehicle to be charged, including scanning the vehicle body through the camera device and the infrared device, obtaining the vehicle model, the vehicle license plate and whether there is a driver or a passenger in the vehicle, and preliminarily determining the battery capacity according to the vehicle model.
Specifically, the control system improves the management of the vehicle by acquiring the vehicle model and the vehicle license plate, and improves the safety of the control system by acquiring whether the driver and the passenger are in the vehicle and giving an early warning through the early warning module when the driver and the passenger are judged to be in the vehicle.
Referring to fig. 2, in the charging control method based on an electric vehicle according to the present invention, when the determination of the battery capacity is completed, the charging determination module initially determines the charging time period according to the comparison result between the battery capacity M and the preset battery capacity,
the charging determination module is provided with a first preset battery capacity M1, a second preset battery capacity M2, a third preset battery capacity M3, a first charging time period t1, a second charging time period t2 and a third charging time period t3, wherein M1 is more than M2 is more than M3, t1 is more than t2 is more than t3,
when M1 is less than or equal to M < M2, the charge determination module preliminarily determines the charge time period of the vehicle as a first charge time period t 1;
when M2 is greater than or equal to M < M3, the charge determination module preliminarily determines the charge time period of the vehicle as a second charge time period t 2;
when M < M3, the charge determination module preliminarily determines the charge period of the vehicle as a third charge period t 3.
Specifically, the preset battery capacity and the charging time are set in the charging determining module, and the charging time of the vehicle to be charged is preliminarily determined according to the acquired comparison result of the battery capacity and the battery capacity of the vehicle to be charged, so that the control precision of the charging control system of the electric vehicle is further improved, and the charging efficiency of the electric vehicle is further improved.
Referring to fig. 2, in the charging control method based on an electric vehicle according to the present invention, when the charging determination module determines that the charging time period is ti, i =1, 2, 3 is set, the charging determination module determines the charging power of the vehicle according to the vehicle data, and adjusts the charging time period according to the determined charging power when the determination is completed, the charging determination module further has a first preset charging power P1, a second preset charging power P2, a third preset charging power P3, a first charging time period adjustment coefficient K1, a second charging time period adjustment coefficient K2, P1 < P2 < P3, and 0.5 < K2 < K1 < 1,
the charging determining module judges whether the vehicle is suitable for high-power charging according to user selection and/or vehicle data, and when the vehicle is judged to be suitable, the charging adjusting module charges the vehicle according to the charging power selected by the user and selects a corresponding charging time length adjusting coefficient to adjust the charging time length,
when the charging determination module selects a first preset charging power P1, the charging adjustment module does not adjust the charging time ti;
when the charging determination module selects a second preset charging power P2, the charging adjustment module selects a first charging time period adjustment coefficient K1 to adjust the charging time period ti;
when the charging determination module selects a third preset charging power P3, the charging adjustment module selects a second charging time period adjustment coefficient K2 to adjust the charging time period ti;
when the charging adjusting module selects the j-th charging time length adjusting coefficient Kj to adjust the charging time length, j =1, 2, 3 is set, the charging determining module sets the adjusted charging time length as t ', and sets t' = ti × Kj.
Specifically, the charging power and the charging time length adjusting coefficient are set in the charging determining module, and when the charging power is changed due to user selection or power adjustment, the charging time length is adjusted according to the changed power, so that the control precision of the charging control system of the electric automobile is further improved, and the charging efficiency of the electric automobile is further improved.
Referring to fig. 2, in the charging control method based on an electric vehicle according to the present invention, when the vehicle is charged, the charging adjustment module determines whether to modify the charging time period according to a comparison result between the outdoor temperature T and the preset outdoor temperature obtained by the temperature obtaining module, the temperature obtaining module is provided with a first preset outdoor temperature T1, a second preset outdoor temperature T2, and a third preset outdoor temperature T3, the charging adjustment module is further provided with a first charging time period modification coefficient X1, a second charging time period modification coefficient X2, and a third charging time period modification coefficient X3, wherein T1 is greater than T2 is less than T3, 1 is greater than X1 is greater than X2 is less than X3 is less than 2,
when T is larger than or equal to T3, the charging adjusting module does not correct the charging time length;
when T2 is not less than T < T3, the charging adjusting module corrects the charging time length and selects a first charging time length correction coefficient X1 to correct the charging time length;
when T1 is not less than T < T2, the charging adjusting module corrects the charging time length and selects a second charging time length correction coefficient X2 to correct the charging time length;
when T is less than T1, the charging adjusting module corrects the charging time length and selects a third charging time length correction coefficient X3 to correct the charging time length;
when the charging adjustment module selects an nth charging time period correction coefficient Xn to correct the charging time period, n =1, 2, 3 is set, and the charging adjustment module sets the corrected charging time period to t ' ″, setting t ' = t ' × Xn.
Specifically, the temperature acquisition module is used for setting a preset outdoor temperature and the charging adjustment module is used for setting a charging time correction coefficient, the outdoor temperature is acquired in real time, and the charging time is corrected by selecting the corresponding correction coefficient according to the comparison result of the outdoor temperature and the preset outdoor temperature, so that the control precision of the charging control system of the electric automobile is further improved, and the charging efficiency of the electric automobile is further improved.
Referring to fig. 2, in the charging control method based on an electric vehicle according to the present invention, the charging determination module further includes a preset charging amount G0, and when the vehicle is charged, the charging determination module obtains a charging amount G of the vehicle in a preset period D, the charging determination module compares the charging amount G in the preset period with a preset charging amount G0, if G is greater than or equal to G0, the charging determination module determines that the vehicle is normally charged, and if G is less than G0, the charging determination module determines that the vehicle is abnormally charged.
Specifically, the temperature obtaining module is further provided with a preset battery temperature Q0, when the charging determining module determines that the vehicle is abnormally charged, the temperature obtaining module obtains the battery temperature Q of the battery management system and compares the battery temperature Q with a preset battery temperature Q0, if Q is greater than or equal to Q0, the charging determining module adjusts the preset period D, and if Q is less than Q0, the charging adjusting module adjusts the charging power.
Specifically, when the charging determination module adjusts the preset period D, the charging determination module calculates a temperature difference Δ Q between the battery temperature Q and a preset battery temperature Q0, sets Δ Q = Q-Q0, selects a corresponding period adjustment coefficient according to a comparison result between the temperature difference and the preset temperature difference to adjust the preset period D,
the charging determination module is further provided with a first preset temperature difference value delta Q1, a second preset temperature difference value delta Q2, a third preset temperature difference value delta Q3, a first period adjustment coefficient E1, a second period adjustment coefficient E2 and a third period adjustment coefficient E3, wherein delta Q1 is larger than delta Q2 is larger than delta Q3, 0.5 is larger than E3 is larger than E2 is larger than E1 is smaller than 1,
when the delta Q1 is more than or equal to the delta Q < delta Q2, the charging determination module selects a first period adjustment coefficient E1 to adjust a preset period;
when the delta Q2 is more than or equal to the delta Q < delta Q3, the charging determination module selects a second period adjustment coefficient E2 to adjust the preset period;
when the delta Q is larger than or equal to the delta Q3, the charging determination module selects a third cycle adjustment coefficient E3 to adjust a preset cycle;
when the charging determination module selects a z-th cycle adjustment coefficient Ez to adjust the preset cycle, setting z =1, 2 and 3, setting the adjusted preset cycle to be D ' and setting D ' = D × Ez, and when the temperature acquisition module detects that the battery temperature Q in the W preset cycles D ' is larger than or equal to the preset battery temperature Q0, sending out an abnormal charging early warning by the early warning module.
Specifically, when the charging adjustment module adjusts the charging power, the charging determination module calculates an electric quantity difference Δ G between the charging amount G and a preset charging amount G0, sets Δ G = G0-G, and the charging adjustment module selects a corresponding power adjustment coefficient according to a comparison result between the electric quantity difference and the preset electric quantity difference to adjust the charging power adjustment coefficient,
the charging regulation module is also provided with a first preset electric quantity difference value delta G1, a second preset electric quantity difference value delta G2, a third preset electric quantity difference value delta G3, a first power regulation coefficient R1, a second power regulation coefficient R2 and a third power regulation coefficient R3, wherein delta G1 is more than delta G2 is more than delta G3, 1 is more than R1 is more than R2 is more than R3,
when the delta G1 is not less than delta G and is less than delta G2, the charging adjusting module selects a first power adjusting coefficient R1 to adjust the charging power;
when the delta G2 is not less than delta G and is less than delta G3, the charging adjusting module selects a second power adjusting coefficient R2 to adjust the charging power;
when the delta G is larger than or equal to the delta G3, the charging adjusting module selects a third power adjusting coefficient R3 to adjust the charging power;
when the charging adjusting module selects the s-th power adjusting coefficient Rs to adjust the charging power, s =1, 2, 3 is set, the charging adjusting module sets the adjusted charging power to P ', and sets P' = Pc × Rs, wherein Pc is the c-th charging power, and c =1, 2, 3 is set.
Specifically, a preset period, a preset charging amount and a preset battery temperature are set in a charging determination module, whether the vehicle is normally charged is determined according to a comparison result of the charging amount in the preset period and the preset charging amount, when the charging is determined to be abnormal, an abnormal charging item is further determined by acquiring the battery temperature, the detection period is determined or the charging power is determined according to the determination result, and the charging process is further early warned by detecting the charging temperature in the adjusted period, so that the control precision of the charging control system of the electric vehicle is further improved, and the charging efficiency of the electric vehicle is further improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A charging control system based on an electric automobile is characterized by comprising:
the data acquisition module is used for acquiring vehicle data of a vehicle to be charged;
the data association module is connected with the data acquisition module and used for associating the vehicle data with the internet data to determine the battery capacity of the vehicle;
the charging determining module is connected with the data correlation module and is used for preliminarily determining the charging power and the charging time length of the vehicle according to the determined battery capacity of the vehicle;
the temperature acquisition module is connected with the charging determination module and is used for acquiring the outdoor temperature and the temperature of the vehicle battery in the charging process;
the charging adjusting module is connected with the temperature acquiring module and the charging determining module and is used for adjusting charging power and/or charging time according to the outdoor temperature and the vehicle battery temperature acquired by the temperature acquiring module;
the early warning module is connected with the temperature acquisition module and the charging determination module and is used for early warning when the temperature of the vehicle battery exceeds a preset threshold value;
the charging determining module and the temperature obtaining module are also connected with a battery management system;
the charging determining module is used for determining the charging power of the vehicle according to the vehicle data when the charging time is determined to be ti, and the charging determining module selects a corresponding charging time adjusting coefficient according to the comparison result of the determined charging power and the preset charging power to adjust the charging time;
the charging adjusting module is further used for judging whether the charging time length is corrected or not according to a comparison result of the outdoor temperature and the preset outdoor temperature, and selecting a corresponding charging time length correction coefficient to correct the charging time length when the charging adjusting module judges that the charging time length needs to be corrected;
the charging determining module is further used for obtaining the battery charging amount according to a preset period, when the battery temperature is larger than or equal to the preset battery temperature, selecting a period adjusting coefficient according to the temperature difference value between the battery temperature and the preset battery temperature to adjust the preset period, and when the battery temperature is smaller than the preset battery temperature, selecting a corresponding power adjusting coefficient according to the electric quantity difference value between the preset charging amount and the charging amount to adjust the charging power.
2. The charging control method of the electric vehicle-based charging control system according to claim 1, characterized by comprising:
step S1, vehicle data of a vehicle to be charged are obtained, and the battery capacity of the vehicle to be charged is determined from the vehicle data;
step S2, determining the charging power and the charging time of the vehicle to be charged according to the acquired battery capacity;
step S3, acquiring real-time outdoor temperature and battery temperature of the vehicle to be charged, and judging whether the charging power and/or the charging time needs to be adjusted and/or corrected according to the outdoor temperature and/or the battery temperature;
when the vehicle is charged, the charging determining module preliminarily determines charging time according to the battery capacity determined by the data association module, determines the charging power according to the vehicle data when the charging time is determined to be completed, and selects a corresponding charging time adjusting coefficient according to a comparison result of the charging power and a preset charging power to adjust the charging time when the charging power is determined to be completed;
when the charging time length is adjusted, the charging adjusting module selects a corresponding correction coefficient according to a comparison result of the outdoor temperature and the preset outdoor temperature to correct the charging time length;
when the charging adjusting module finishes correcting the charging time, the charging determining module obtains the charging amount of the vehicle in a preset period, and determines whether the charging is normal or not according to the comparison result of the charging amount and the preset charging amount, and when the charging adjusting module determines that the charging is abnormal, the charging adjusting module determines to adjust the preset period or adjust the charging power according to the comparison result of the battery temperature and the preset battery temperature.
3. The charging control method of the electric vehicle-based charging control system according to claim 2, wherein in the step S1, when the vehicle is charged, the data acquisition module acquiring the vehicle data to be charged includes scanning a vehicle body by an image pickup device and an infrared device, acquiring a vehicle model, and preliminarily determining the battery capacity according to the vehicle model.
4. The charging control method of an electric vehicle-based charging control system according to claim 3, wherein the charging determination module preliminarily determines the charging time period according to a comparison result of the battery capacity M with a preset battery capacity when the determination of the battery capacity is completed,
the charging determination module is provided with a first preset battery capacity M1, a second preset battery capacity M2, a third preset battery capacity M3, a first charging time period t1, a second charging time period t2 and a third charging time period t3, wherein M1 is more than M2 is more than M3, t1 is more than t2 is more than t3,
when M1 is less than or equal to M < M2, the charge determination module preliminarily determines the charge time period of the vehicle as a first charge time period t 1;
when M2 is greater than or equal to M < M3, the charge determination module preliminarily determines the charge time period of the vehicle as a second charge time period t 2;
when M < M3, the charge determination module preliminarily determines the charge period of the vehicle as a third charge period t 3.
5. The charge control method of an electric-vehicle-based charge control system according to claim 4, wherein when the charge determination module determines that the charge time period is ti, i =1, 2, 3 is set, the charge determination module determines the charge power of a vehicle based on the vehicle data and adjusts the charge time period based on the determined charge power when the determination is completed, the charge determination module is further provided with a first preset charge power P1, a second preset charge power P2, a third preset charge power P3, a first charge time period adjustment coefficient K1, and a second charge time period adjustment coefficient K2, P1 < P2 < P3, 0.5 < K2 < K1 < 1,
the charging determining module judges whether the vehicle is suitable for high-power charging according to user selection and/or vehicle data, and when the vehicle is judged to be suitable, the charging adjusting module charges the vehicle according to the charging power selected by the user and selects a corresponding charging time length adjusting coefficient to adjust the charging time length,
when the charging determination module selects a first preset charging power P1, the charging adjustment module does not adjust the charging time ti;
when the charging determination module selects a second preset charging power P2, the charging adjustment module selects a first charging time period adjustment coefficient K1 to adjust the charging time period ti;
when the charging determination module selects a third preset charging power P3, the charging adjustment module selects a second charging time period adjustment coefficient K2 to adjust the charging time period ti;
when the charging adjusting module selects the j-th charging time length adjusting coefficient Kj to adjust the charging time length, j =1, 2, 3 is set, the charging determining module sets the adjusted charging time length as t ', and sets t' = ti × Kj.
6. The charging control method of an electric vehicle-based charging control system according to claim 5, wherein when charging the vehicle, the charging adjustment module determines whether to correct the charging period based on a comparison result of the outdoor temperature T obtained by the temperature obtaining module with a preset outdoor temperature T, the temperature obtaining module is provided with a first preset outdoor temperature T1, a second preset outdoor temperature T2 and a third preset outdoor temperature T3, the charging adjustment module is further provided with a first charging period correction coefficient X1, a second charging period correction coefficient X2 and a third charging period correction coefficient X3, wherein T1 < T2 < T3, 1 < X1 < X2 < X3 < 2 are set,
when T is larger than or equal to T3, the charging adjusting module does not correct the charging time length;
when T2 is not less than T < T3, the charging adjusting module corrects the charging time length and selects a first charging time length correction coefficient X1 to correct the charging time length;
when T1 is not less than T < T2, the charging adjusting module corrects the charging time length and selects a second charging time length correction coefficient X2 to correct the charging time length;
when T is less than T1, the charging adjusting module corrects the charging time length and selects a third charging time length correction coefficient X3 to correct the charging time length;
when the charging adjustment module selects an nth charging time period correction coefficient Xn to correct the charging time period, n =1, 2, 3 is set, and the charging adjustment module sets the corrected charging time period to t ' ″, setting t ' = t ' × Xn.
7. The charging control method of the electric vehicle-based charging control system according to claim 6, wherein the charging determination module further comprises a predetermined charging amount G0, the charging determination module obtains the charging amount G of the vehicle in a predetermined period D during the charging of the vehicle, the charging determination module compares the charging amount G in the predetermined period with the predetermined charging amount G0, if G is greater than or equal to G0, the charging determination module determines that the vehicle is normally charged, and if G is less than G0, the charging determination module determines that the vehicle is abnormally charged.
8. The charging control method of the electric vehicle-based charging control system according to claim 7, wherein the temperature obtaining module further has a preset battery temperature Q0, when the charging determining module determines that the vehicle is abnormally charged, the temperature obtaining module obtains the battery temperature Q of the battery management system and compares the battery temperature Q with a preset battery temperature Q0, if Q is greater than or equal to Q0, the charging determining module adjusts the preset period D, and if Q is less than Q0, the charging adjusting module adjusts the charging power.
9. The charging control method of the electric vehicle-based charging control system according to claim 8, wherein when the charging determination module adjusts the preset period D, the charging determination module calculates a temperature difference Δ Q between the battery temperature Q and a preset battery temperature Q0, sets Δ Q = Q-Q0, selects a corresponding period adjustment coefficient according to a comparison result between the temperature difference and the preset temperature difference, and adjusts the preset period D,
the charging determination module is further provided with a first preset temperature difference value delta Q1, a second preset temperature difference value delta Q2, a third preset temperature difference value delta Q3, a first period adjustment coefficient E1, a second period adjustment coefficient E2 and a third period adjustment coefficient E3, wherein delta Q1 is larger than delta Q2 is larger than delta Q3, 0.5 is larger than E3 is larger than E2 is larger than E1 is smaller than 1,
when the delta Q1 is more than or equal to the delta Q < delta Q2, the charging determination module selects a first period adjustment coefficient E1 to adjust a preset period;
when the delta Q2 is more than or equal to the delta Q < delta Q3, the charging determination module selects a second period adjustment coefficient E2 to adjust the preset period;
when the delta Q is larger than or equal to the delta Q3, the charging determination module selects a third cycle adjustment coefficient E3 to adjust a preset cycle;
when the charging determination module selects a z-th cycle adjustment coefficient Ez to adjust the preset cycle, setting z =1, 2 and 3, setting the adjusted preset cycle to be D ' and setting D ' = D × Ez, and when the temperature acquisition module detects that the battery temperature Q in the W preset cycles D ' is larger than or equal to the preset battery temperature Q0, sending out an abnormal charging early warning by the early warning module.
10. The charging control method of the electric vehicle-based charging control system according to claim 9, wherein when the charging power is adjusted by the charging adjustment module, the charging determination module calculates a difference Δ G between the charging amount G and a preset charging amount G0, sets Δ G = G0-G, and the charging adjustment module selects a corresponding power adjustment coefficient according to a comparison result between the difference Δ G and the preset difference Δ G to adjust the charging power adjustment coefficient,
the charging regulation module is also provided with a first preset electric quantity difference value delta G1, a second preset electric quantity difference value delta G2, a third preset electric quantity difference value delta G3, a first power regulation coefficient R1, a second power regulation coefficient R2 and a third power regulation coefficient R3, wherein delta G1 is more than delta G2 is more than delta G3, 1 is more than R1 is more than R2 is more than R3,
when the delta G1 is not less than delta G and is less than delta G2, the charging adjusting module selects a first power adjusting coefficient R1 to adjust the charging power;
when the delta G2 is not less than delta G and is less than delta G3, the charging adjusting module selects a second power adjusting coefficient R2 to adjust the charging power;
when the delta G is larger than or equal to the delta G3, the charging adjusting module selects a third power adjusting coefficient R3 to adjust the charging power;
when the charging adjusting module selects the s-th power adjusting coefficient Rs to adjust the charging power, s =1, 2, 3 is set, the charging adjusting module sets the adjusted charging power to P ', and sets P' = Pc × Rs, wherein Pc is the c-th charging power, and c =1, 2, 3 is set.
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