CN115042660B - Intelligent collaborative control new energy charging pile power control system and method - Google Patents
Intelligent collaborative control new energy charging pile power control system and method Download PDFInfo
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- CN115042660B CN115042660B CN202210843399.4A CN202210843399A CN115042660B CN 115042660 B CN115042660 B CN 115042660B CN 202210843399 A CN202210843399 A CN 202210843399A CN 115042660 B CN115042660 B CN 115042660B
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- 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
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- 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
- B60L53/68—Off-site monitoring or control, e.g. remote control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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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
- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an intelligent collaborative control new energy charging pile power control system and method, and relates to the technical field of new energy charging piles. In order to solve the problems that the existing charging pile is simple in charging mode and single in function, the function requirements of users are more and more difficult to meet, the data cannot be interconnected and communicated with the users, and the intelligent level is low; the comprehensive analysis and query can not be performed on the user data, and the problem of user experience is reduced. The utility model provides a new forms of energy fills electric pile power control system and method of intelligent collaborative management control, through battery management system real-time supervision battery's operating condition, the battery capacity of predictive power battery and corresponding surplus mileage of travelling, for fill electric pile remote control system and provide data basis, for fill electric pile terminal system and send out control command, provide low-power DC power supply's power supply or alternating current power supply respectively as required, encourage electric vehicle to charge in the low valley period of electric power utilization, improve electric power utilization efficiency, reduce charging cost.
Description
Technical Field
The invention relates to the technical field of new energy charging piles, in particular to an intelligent collaborative control new energy charging pile power control system and method.
Background
The charging pile power control system on the market still has the following problems:
1. The charging system provides energy supply for the running of the electric vehicle, is an important basic supporting system of the electric vehicle, and the service life of a battery pack of the electric vehicle is directly influenced by the performance of the charging pile, however, the conventional charging pile cannot select a charging mode according to the type and the requirement of the battery pack of the electric vehicle, uniformly adopts alternating current for power supply, and cannot provide power supply of a low-power direct current power supply;
2. The existing charging pile has the defects that the charging mode is simple, the function is single, the function requirement of a user is more and more difficult to meet, the data cannot be interconnected and communicated with the user, and the intelligent level is low; comprehensive analysis and query cannot be performed on the user data, and user experience is reduced.
Disclosure of Invention
The invention aims to provide an intelligent collaborative control new energy charging pile power control system and method, which are used for monitoring the working state of a battery, predicting the battery capacity and corresponding remaining driving mileage of a power battery in real time through a battery management system, providing a data base for a charging pile remote control system, sending a control instruction for a charging pile terminal system, and respectively providing power supply or alternating current power supply of a low-power direct current power supply according to requirements so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a new forms of energy fills electric pile power control system of intelligent cooperation management and control, fills electric pile terminal system, battery management system and fills electric pile remote control system;
the charging pile terminal system is used for acquiring power data from a new energy power generation end, transmitting the power data to a terminal to be charged, and metering and charging the power at the same time;
The battery management system is used for detecting state parameters of the battery pack, and sending a discharging instruction to carry out user charging requirements after user information is verified;
the charging pile remote control system is used for acquiring charging pile information, electric vehicle information, battery information and user card information, classifying and storing the charging pile information, and comprehensively analyzing and inquiring management and operation data.
Further, the charging pile terminal system comprises an electric power data acquisition unit, an electric power energy storage unit, a uniform charging balance control unit and a function prompt unit;
the power data acquisition unit is used for acquiring power data converted from new energy, extracting power characteristics in the power data and respectively converging the power data into the power energy storage unit according to the power characteristics;
the power energy storage unit is used for establishing an alternating current energy storage model and a direct current energy storage model for storing the power data;
the obtained electric power data is subjected to matching energy storage according to the electric power characteristics, an alternating current energy storage model and a direct current energy storage model;
the uniform charging balance control unit is used for acquiring electric energy in matching energy storage of the alternating current energy storage model and the direct current energy storage model;
Performing balanced adjustment on single batteries in the battery pack of the terminal to be charged to ensure that the performances of all the batteries are balanced and consistent;
The function prompting unit is used for carrying out user identification, providing a voice output structure and completing voice interaction.
Further, the charge balance control unit is also used for discharging from the alternating current energy storage model and the direct current energy storage model;
outputting discharge protection signals to the alternating current energy storage model and the direct current energy storage model;
Judging whether undervoltage or overcurrent and short circuit occur in the discharging process of the alternating current energy storage model and the direct current energy storage model;
When the undervoltage or overcurrent and short circuit occur, the discharge protection signal is reduced, and the discharge is ended.
Further, the battery management system comprises a data processing unit, an instruction control unit and a charging deduction unit;
the data processing unit is used for acquiring data of a charging user and data of a vehicle to be charged, which are matched with the user information;
Wherein, obtaining the user data comprises: a user registration module and a user login module;
The user registration module is used for acquiring user registration data and generating a UID value; the registration data comprises a user name, identity information and vehicle basic information;
The user login module is used for obtaining user input information and the UID value to be matched one by one and extracting vehicle data in the value;
the instruction control unit is used for generating an instruction according to the acquired data and controlling the operation of the charging pile terminal system;
The charging deduction unit is used for acquiring the charging electric quantity of the user, extracting the electricity unit price in the execution data specified by the acquired third party electricity standard, and deducting the cost after calculating the cost.
Further, the battery management system includes: detecting the target residual electric quantity of the battery pack, monitoring the charging state of the battery pack in real time based on the detection result, and synchronously displaying the monitoring result on a target mobile terminal of a user, wherein the method specifically comprises the following steps:
the battery state detection unit is used for passively balancing the battery pack, coupling a detection circuit to the battery pack after the passive balancing, and determining the closed-circuit voltage of the battery pack based on the detection circuit;
A voltage detection unit for determining an amount of current of the battery pack based on the closed circuit voltage, and determining an open circuit voltage of the battery pack based on the amount of current;
The power detection unit is used for determining the residual power in the battery pack based on the open-circuit voltage, acquiring the current temperature parameter of the battery pack, and correcting the determined residual power based on a preset temperature power change curve to obtain target residual power;
A charging rate determination unit configured to:
performing at least one pulse discharge on the battery pack based on the detection circuit, and monitoring the association relation between the voltage and the discharge time of the battery pack in real time based on a discharge result;
determining battery characteristics of the battery pack based on the association relationship, and determining a charging rate of the battery pack based on the battery characteristics;
a charging duration determination unit configured to:
Acquiring the battery capacity of the battery pack, and determining a target charge amount of the battery pack based on the battery capacity and the target residual capacity;
determining a charging time length of the battery pack based on the target charging amount and the charging rate of the battery pack, determining a change rule of the electric quantity of the battery pack and the charging time length based on the charging rate, and determining electric quantity values corresponding to the battery pack at all times in the charging time length based on the change rule;
an information synchronization unit configured to:
Acquiring a verification result of user information, and determining a target mobile terminal bound by a user and a new energy charging pile based on the verification result;
And constructing a data transmission link of the target mobile terminal and the new energy charging pile, synchronously displaying the electric quantity value corresponding to each moment of the battery pack in the charging time on the target mobile terminal based on the data transmission link, sending a prompt to a user based on the target mobile terminal when the display result judges that the battery pack is charged, and settling the current charging cost based on the target mobile terminal.
Further, the data generation instruction acquired by the instruction control unit includes:
The command control unit judges the power characteristics required by vehicle charging according to the acquired vehicle data to be charged, and matches the power characteristics with preset commands one by one to obtain a matching command result;
Inputting the matching instruction result into a blank data packet to generate an instruction, and transmitting the instruction to a charging pile terminal system;
And the charging pile terminal system receives the instruction data packet and then selects a direct current charging mode or an alternating current charging mode to perform charging operation.
Further, the charging deduction unit is further used for obtaining a supporting performance price policy of the place where the charging pile is located;
Meanwhile, judging whether time data carried by the charging electric power of the charging pile are in a power consumption valley period or not;
the charging deduction unit is also used for providing a multi-channel payment mode by a third party application.
Further, the charging pile remote control system comprises an operation mode management module, a user management module and a query module;
the operation mode management module is used for making power unit price according to the acquired policy data information, extracting keywords and making different charging modes; the charging mode includes: charging on time, charging, automatic filling and charging by mileage;
The user management module is used for acquiring the user data, grouping users aiming at the data, acquiring different user types aiming at the built grouping model result, acquiring charging data matched each time, and generating a user management table;
The inquiry module is used for extracting data of user inquiry balance, current charging and historical charging, storing management and operation data and comprehensively analyzing according to the user management table.
Further, comprising a risk bearing cost assessment system comprising:
the number determining unit is used for determining the construction number of the charging piles, calculating the construction cost of the charging piles based on the construction number, and calculating the risk bearing cost of the charging piles based on the construction cost, and specifically comprises the following steps:
The first calculation unit is used for calculating the construction cost of the charging pile:
Wherein M represents the construction cost of the charging pile; α represents the number of transformers; q represents a unit price value of each transformer; k represents the number of charging piles; w represents the unit price value of the charging pile; s represents a cost value required for construction of a charging pile field; η represents the discount rate, and the value range is (0.6,0.8); i represents the service life value of the charging pile;
the second calculating unit is used for calculating the risk bearing cost of building the charging pile:
Wherein V represents the risk bearing cost of constructing the charging pile; i represents the service life value of the charging pile; k represents the maximum service life value of the charging pile; p represents risk bearing probability and the value range is (0, 1); h i represents the update maintenance cost for the charging pile in the i-th year; f i represents the cost of operation and maintenance of the charging pile in the i-th year; d represents an unpredictable cost; mu represents an error factor, and the value range is 0.01,0.04;
the comparison unit is used for comparing the risk bearing cost with a preset cost threshold;
If the risk bearing cost is greater than or equal to the preset cost threshold, judging that the construction cost of the charging pile exceeds the expected range, and planning a charging pile usage charging mode again;
and otherwise, judging that the construction cost of the charging pile is in an expected range, and completing the use charging planning of the charging pile.
The invention provides another technical scheme, a control method of an intelligent collaborative control new energy charging pile power control system, which comprises the following steps:
step one: the user logs in the charging pile terminal system, and the operation mode management module provides a charging mode selection for the user to charge the automobile;
step two: the battery management system provides an alternating current-direct current charging instruction for the charging pile terminal system according to the user data, and the battery is protected to be charged in an equalizing mode;
Step three: after charging, the user pays for a third party according to the charging result, charging is completed, the charging pile remote control system carries out remote control management, charging data are stored, and convenience is brought to the user for inquiring.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the intelligent collaborative control new energy charging pile power control system and method, the charging pile terminal system is used for acquiring power data and storing energy in real time, the balance control unit is used for guaranteeing voltage balance among single batteries, the battery storage capacity and the cycle life are utilized to the greatest extent, meanwhile, the service life and the use safety of the charging pile are guaranteed, frequent maintenance of the charging pile is avoided, the service efficiency of the charging pile is greatly affected, the maintenance cost is effectively reduced, and the function prompting unit is used for guiding the user to operate in a voice prompting mode and is convenient for the user to operate.
2. According to the intelligent collaborative control new energy charging pile power control system and method, the working state of the battery is monitored in real time through the battery management system, the battery capacity of the power battery and the corresponding remaining driving mileage are predicted, a data base is provided for a charging pile remote control system, a control instruction is sent for a charging pile terminal system, the power supply or the alternating current power supply of a low-power direct current power supply is provided according to requirements, customized services are provided for users according to different modes, the electric vehicle is encouraged to charge in the electricity consumption valley period, the power utilization efficiency is improved, the charging cost of the users is reasonably reduced, and the charging cost is reduced.
3. According to the intelligent collaborative management and control new energy charging pile power control system and method, the operation mode management module provides diversified charging modes for users, user experience is improved, diversified demands of the users are met, the user management module can store a large amount of data, information is clear, management and processing are convenient, the query module is convenient for the users to query historical data, the data and the users are interconnected and communicated, the intelligent level is improved, meanwhile, enterprises can conveniently obtain users with different values for the users in groups, corresponding marketing strategies are formulated, customized services are provided, and good economic benefits are brought to the enterprises.
4. Through carrying out effective detection to the state of group battery, realize carrying out effective confirmation to the residual electric quantity in the group battery, finally, through carrying out analysis to the battery characteristic of group battery to realize carrying out effective control to the charging process of group battery, improved the control effect of charging stake to the group battery, realized carrying out real-time notification to the user with the condition of charging.
5. Through carrying out accurate effectual calculation to the risk of charging the stake and undertaking, realize carrying out accurate effectual calculation to the use charging mode of charging the stake according to the risk and undertaking the cost to ensure that the stake of charging can be stable effectual to the group battery provide the service of charging, thereby realize carrying out good effectual control to the stake of charging.
Drawings
Fig. 1 is a block diagram of a charging pile terminal system according to the present invention;
FIG. 2 is a block diagram of a battery management system according to the present invention;
fig. 3 is a block diagram of a remote control system for a charging pile according to the present invention.
In the figure: 1. a charging pile terminal system; 11. a power data acquisition unit; 12. a power energy storage unit; 13. a balance control unit; 14. a function prompting unit; 2. a battery management system; 21. a data processing unit; 22. an instruction control unit; 23. a charging and deducting unit; 3. a charging pile remote control system; 31. an operation mode management module; 32. a user management module; 33. and a query module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem that the service life of the battery pack of the electric vehicle is directly influenced by the performance of the existing charging pile, the data cannot be interconnected and communicated with a user, and the intelligent level is low, please refer to fig. 1, the embodiment provides the following technical scheme:
The utility model provides a new forms of energy fills electric power control system of electric pile of intelligent cooperation management control, includes fills electric pile terminal system 1, battery management system 2 and fills electric pile remote control system 3; the charging pile terminal system 1 is used for acquiring power data from a new energy power generation end, transmitting the power data to a terminal to be charged, and metering and charging the power at the same time;
The charging pile terminal system 1 comprises a power data acquisition unit 11, a power energy storage unit 12, a uniform charging balance control unit 13 and a function prompting unit 14; the power data acquisition unit 11 is used for acquiring power data converted from new energy, extracting power characteristics in the power data, and respectively importing the power data into the power energy storage unit 12 according to the power characteristics; the power storage unit 12 is used for establishing an alternating current power storage model and a direct current power storage model for storing the power data; the obtained electric power data is subjected to matching energy storage according to the electric power characteristics, an alternating current energy storage model and a direct current energy storage model;
The uniform charging balance control unit 13 is used for acquiring electric energy in matching energy storage of the alternating current energy storage model and the direct current energy storage model; performing balanced adjustment on single batteries in the battery pack of the terminal to be charged to ensure that the performances of all the batteries are balanced and consistent; the function prompting unit 14 is used for user recognition, providing a voice output structure and completing voice interaction;
the charge balance control unit 13 is also used for discharging from the alternating current energy storage model and the direct current energy storage model; outputting discharge protection signals to the alternating current energy storage model and the direct current energy storage model; judging whether undervoltage or overcurrent and short circuit occur in the discharging process of the alternating current energy storage model and the direct current energy storage model; when the undervoltage or overcurrent and short circuit occur, the discharge protection signal is reduced, and the discharge is ended.
Specifically, obtain electric power data and energy storage in real time through charging stake end system 1, the balanced control unit 13 of all filling guarantees the voltage balance between the battery cell, furthest utilizes battery storage capacity and cycle life, guaranteed charging stake's life and safe in utilization simultaneously, it is frequent to avoid charging stake maintenance, has influenced charging stake's availability factor greatly, effectively reduced maintenance cost, function suggestion unit 14 carries out the operation guidance to the user through the mode of voice prompt, convenience of customers operation.
In order to solve the technical problems that most of the current power systems cannot predict the battery capacity and the corresponding remaining driving mileage of the power battery, cannot comprehensively analyze and query user data, and cannot interconnect and communicate the data with users, referring to fig. 2, the embodiment provides the following technical scheme:
the battery management system 2 is used for detecting state parameters of the battery pack, and sending a discharging instruction to carry out user charging requirements after user information is verified;
The battery management system 2 includes a data processing unit 21, an instruction control unit 22, and a charging deduction unit 23; the data processing unit 21 is used for acquiring data of a charging user and data of a vehicle to be charged, which are matched with user information; wherein, obtaining the user data comprises: a user registration module and a user login module; the user registration module is used for acquiring user registration data and generating a UID value; the registration data includes a user name, identity information, and vehicle basic information; the user login module is used for obtaining user input information and the UID value to be matched one by one and extracting vehicle data in the value; the instruction control unit 22 is used for generating an instruction according to the acquired data and controlling the charging pile terminal system 1 to operate; the charging and deducting unit 23 is configured to obtain the charging electric quantity of the user, extract the electricity unit price in the execution data specified by the obtained third party electricity standard, calculate the fee, and deduct the fee.
Specifically, the battery management system 2 monitors the working state of the battery in real time, predicts the battery capacity and the corresponding remaining driving mileage of the power battery, performs battery management, provides a data base for the charging pile remote control system 3, sends a control instruction for the charging pile terminal system 1, avoids the conditions of overdischarge, overcharge and overheat of the battery pack, manages user data, and ensures accurate charging and fee deduction.
In order to solve the technical problem that the existing charging pile is single in charging mode, uniformly adopts alternating current to charge, and cannot select the charging mode according to the type and the requirement of a battery pack of an electric vehicle, the following technical scheme is provided in the embodiment:
The data acquired by the instruction control unit 22 generates an instruction including: the command control unit 22 judges the power characteristics required by vehicle charging according to the acquired vehicle data to be charged, and matches the power characteristics with preset commands one by one to obtain a matching command result; inputting the matching instruction result into a blank data packet to generate an instruction, and transmitting the instruction to the charging pile terminal system 1; the charging pile terminal system 1 receives the instruction data packet and then selects a direct current charging mode or an alternating current charging mode to perform charging operation;
The charging deduction unit 23 is also used for acquiring a supporting electricity price policy of the place where the charging pile is located; meanwhile, judging whether time data carried by the charging electric power of the charging pile are in a power consumption valley period or not; the charging deduction unit 23 is also used for a third party application to provide a multi-channel payment mode.
Specifically, through carrying out the selection of charging mode according to electric vehicle's group battery model and demand, adopt alternating current and two kinds of placing of direct current to supply power, provide low-power DC power supply's power supply or alternating current power supply respectively as required, obtain current policy simultaneously and adjust the charging unit price in real time and charge, provide customized service for the user according to different modes, encourage electric vehicle to charge at the electric power electricity consumption low ebb period, improve power utilization efficiency, rationally reduce user's charge expense, reduce charge cost.
In order to solve the technical problem that the existing charging pile has a simple charging mode and a single function, and is more and more difficult to meet the functional requirements of users, referring to fig. 3, the present embodiment provides the following technical solutions:
the charging pile remote control system 3 is used for acquiring charging pile information, electric vehicle information, battery information and user card information, classifying and storing the charging pile information, and comprehensively analyzing and inquiring management and operation data;
The charging pile remote control system 3 comprises an operation mode management module 31, a user management module 32 and a query module 33; the operation mode management module 31 is configured to perform power unit price establishment according to the obtained policy data information, extract keywords, and establish different charging modes; the charging mode includes: charging on time, charging, automatic filling and charging by mileage; the user management module 32 is configured to obtain the user data, group users for the data, and obtain different user types for the constructed grouping model result, obtain charging data matched each time, and generate a user management table; the query module 33 is used for extracting data of user's query balance, current charging and historical charging, storing management and operation data, and performing comprehensive analysis according to the user management table.
Specifically, the operation mode management module 31 provides diversified charging modes for users, user experience is improved, diversified demands of the users are met, the user management module 32 can store a large amount of data, the data is stored according to characteristics and standardization, information is stored more regularly, information is organized and clearly, the management and the processing are convenient, the query module 33 is convenient for the users to query historical data, the data and the users are interconnected and intercommunicated, the intelligent level is improved, meanwhile, enterprises can obtain users with different values according to the user grouping, corresponding marketing strategies are formulated, customized services are provided, and good economic benefits are brought to the enterprises.
A control method of an intelligent collaborative control new energy charging pile power control system comprises the following steps:
Step one: the user logs in the charging pile terminal system 1, the operation mode management module 31 provides a selection of a charging mode for the automobile to be charged for the user, provides a multifunctional charging mode for the user, improves the application range, has high flexibility and improves the user experience;
Step two: the battery management system 2 provides an alternating current/direct current charging instruction for the charging pile terminal system 1 according to the user data, so that the battery is protected from being charged uniformly, the service life of the charging pile is effectively prolonged, and meanwhile, the battery pack of the vehicle to be charged is protected;
Step three: after the charging is finished, the user pays for a third party according to the charging result, the charging is finished, the charging pile remote control system 3 carries out remote control management, the charging data are stored, the user can inquire conveniently, the operation is simple, the use is convenient, the promotion of the charging pile is convenient, and good economic benefits are brought for enterprises.
To sum up: according to the intelligent collaborative control new energy charging pile power control system and method, the charging pile terminal system 1 ensures the voltage balance among the single batteries, the battery storage capacity and the cycle life are utilized to the greatest extent, the service life and the use safety of the charging pile are ensured, the frequent maintenance of the charging pile is avoided, the maintenance cost is effectively reduced, the user operation is facilitated, the battery management system 2 respectively provides the power supply or alternating current power supply of a low-power direct current power supply according to the requirements, the electric vehicle is encouraged to charge in the electricity consumption valley period, the power utilization efficiency is improved, the charging cost of the user is reasonably reduced, the charging cost is reduced, the electric pile remote control system 3 provides diversified charging modes for the user, the user experience is improved, the user diversified requirements are met, the user management module can store a large amount of data, the information is clear, the management and the processing are facilitated, the query module is convenient for the user to query historical data, meanwhile, the enterprise is convenient for the users with different values to obtain in groups, the corresponding marketing strategy is formulated, the customized service is provided, and good economic benefit is brought to the enterprise.
Specifically, the battery management system 2 includes: detecting the target residual electric quantity of the battery pack, monitoring the charging state of the battery pack in real time based on the detection result, and synchronously displaying the monitoring result on a target mobile terminal of a user, wherein the method specifically comprises the following steps:
the battery state detection unit is used for passively balancing the battery pack, coupling a detection circuit to the battery pack after the passive balancing, and determining the closed-circuit voltage of the battery pack based on the detection circuit;
A voltage detection unit for determining an amount of current of the battery pack based on the closed circuit voltage, and determining an open circuit voltage of the battery pack based on the amount of current;
The power detection unit is used for determining the residual power in the battery pack based on the open-circuit voltage, acquiring the current temperature parameter of the battery pack, and correcting the determined residual power based on a preset temperature power change curve to obtain target residual power;
A charging rate determination unit configured to:
performing at least one pulse discharge on the battery pack based on the detection circuit, and monitoring the association relation between the voltage and the discharge time of the battery pack in real time based on a discharge result;
determining battery characteristics of the battery pack based on the association relationship, and determining a charging rate of the battery pack based on the battery characteristics;
a charging duration determination unit configured to:
Acquiring the battery capacity of the battery pack, and determining a target charge amount of the battery pack based on the battery capacity and the target residual capacity;
determining a charging time length of the battery pack based on the target charging amount and the charging rate of the battery pack, determining a change rule of the electric quantity of the battery pack and the charging time length based on the charging rate, and determining electric quantity values corresponding to the battery pack at all times in the charging time length based on the change rule;
an information synchronization unit configured to:
Acquiring a verification result of user information, and determining a target mobile terminal bound by a user and a new energy charging pile based on the verification result;
And constructing a data transmission link of the target mobile terminal and the new energy charging pile, synchronously displaying the electric quantity value corresponding to each moment of the battery pack in the charging time on the target mobile terminal based on the data transmission link, sending a prompt to a user based on the target mobile terminal when the display result judges that the battery pack is charged, and settling the current charging cost based on the target mobile terminal.
In this embodiment, passive balancing may be to load balance the battery pack so as to facilitate determining the current remaining power in the battery pack.
In this embodiment, the detection circuit is set in advance, and is used to detect the state of the battery pack, specifically, the voltage and the current of the battery pack.
In this embodiment, the closed circuit voltage may be the voltage value at which the battery pack is operating normally (i.e., with a load).
In this embodiment, the open circuit voltage may be the voltage between the positive and negative poles of the battery pack when no load or short circuit occurs.
In this embodiment, the temperature parameter may be the current temperature level of the battery pack.
In this embodiment, the preset temperature and electric quantity change curve is set in advance, and is used for representing the influence degree of temperature on electric quantity.
In this embodiment, the target remaining power may be a final remaining power value obtained by performing parameter correction on the determined remaining power.
In this embodiment, the association relationship may be a value change condition for representing the voltage and the time duration of discharge of the battery pack.
In this embodiment, the battery characteristics may be the battery maximum capacity, voltage, current, and the like of the battery pack.
In this embodiment, the charge rate is a value used to characterize the current at which the battery pack is charged.
In this embodiment, the target charge amount may be an amount of electricity required to charge the battery pack.
In this embodiment, the target mobile terminal may be a mobile phone of a user or the like.
The working principle of the technical scheme is as follows: the battery pack is passively balanced, the battery pack is coupled with a detection circuit after the battery pack is passively balanced, the open-circuit voltage of the battery pack is effectively obtained through the detection circuit, so that the current residual electric quantity in the battery pack is accurately judged through the open-circuit voltage, the influence of temperature on the residual electric quantity is determined, the effective correction of the residual electric quantity is realized, secondly, the relation between the voltage of the battery pack and the discharge time is effectively confirmed through analysis of the battery characteristics of the battery pack, the charging efficiency of the battery pack is confirmed, finally, the charging time is effectively confirmed through determination of the charging quantity of the battery pack, the electric quantity of the battery pack in a charging market at all moments is synchronously displayed at a target mobile terminal of a user, and after the charging is finished, the settlement of the cost is realized through the target mobile terminal.
The beneficial effects of the technical scheme are as follows: through carrying out effective detection to the state of group battery, realize carrying out effective confirmation to the residual electric quantity in the group battery, finally, through carrying out analysis to the battery characteristic of group battery to realize carrying out effective control to the charging process of group battery, improved the control effect of charging stake to the group battery, realized carrying out real-time notification to the user with the condition of charging.
Specifically, the risk bearing cost assessment system comprises:
the number determining unit is used for determining the construction number of the charging piles, calculating the construction cost of the charging piles based on the construction number, and calculating the risk bearing cost of the charging piles based on the construction cost, and specifically comprises the following steps:
The first calculation unit is used for calculating the construction cost of the charging pile:
Wherein M represents the construction cost of the charging pile; α represents the number of transformers; q represents a unit price value of each transformer; k represents the number of charging piles; w represents the unit price value of the charging pile; s represents a cost value required for construction of a charging pile field; η represents the discount rate, and the value range is (0.6,0.8); i represents the service life value of the charging pile;
the second calculating unit is used for calculating the risk bearing cost of building the charging pile:
Wherein V represents the risk bearing cost of constructing the charging pile; i represents the service life value of the charging pile; k represents the maximum service life value of the charging pile; p represents risk bearing probability and the value range is (0, 1); h i represents the update maintenance cost for the charging pile in the i-th year; f i represents the cost of operation and maintenance of the charging pile in the i-th year; d represents an unpredictable cost; mu represents an error factor, and the value range is 0.01,0.04;
the comparison unit is used for comparing the risk bearing cost with a preset cost threshold;
If the risk bearing cost is greater than or equal to the preset cost threshold, judging that the construction cost of the charging pile exceeds the expected range, and planning a charging pile usage charging mode again;
and otherwise, judging that the construction cost of the charging pile is in an expected range, and completing the use charging planning of the charging pile.
In this embodiment, the risk bearing cost may be the amount of cost that the charging pile needs to invest in construction and maintenance and operation.
In this embodiment, the preset cost threshold is set in advance to measure whether the risk bearing cost is out of the expected range.
The working principle of the technical scheme is as follows: the construction cost of the charging pile is divided, so that the risk bearing cost of the construction charging pile is accurately calculated, and finally the charging mode of the charging pile is effectively adjusted through the risk bearing cost.
The beneficial effects of the technical scheme are as follows: through carrying out accurate effectual calculation to the risk of charging the stake and undertaking, realize carrying out accurate effectual calculation to the use charging mode of charging the stake according to the risk and undertaking the cost to ensure that the stake of charging can be stable effectual to the group battery provide the service of charging, thereby realize carrying out good effectual control to the stake of charging.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (9)
1. New forms of energy of intelligent cooperative control fills electric power control system of electric pile, its characterized in that: the system comprises a charging pile terminal system (1), a battery management system (2) and a charging pile remote control system (3);
The charging pile terminal system (1) is used for acquiring power data from a new energy power generation end, transmitting the power data to a terminal to be charged for power transmission, and simultaneously metering and charging power;
the charging pile terminal system (1) comprises an electric power data acquisition unit (11), an electric power energy storage unit (12), a uniform charging balance control unit (13) and a function prompting unit (14);
the power data acquisition unit (11) is used for acquiring power data converted from new energy, extracting power characteristics in the power data and respectively converging the power data into the power energy storage unit (12) according to the power characteristics;
the power energy storage unit (12) is used for establishing an alternating current energy storage model and a direct current energy storage model for storing the power data;
the obtained electric power data is subjected to matching energy storage according to the electric power characteristics, an alternating current energy storage model and a direct current energy storage model;
the uniform charging balance control unit (13) is used for acquiring electric energy in matching energy storage of the alternating current energy storage model and the direct current energy storage model;
Performing balanced adjustment on single batteries in the battery pack of the terminal to be charged to ensure that the performances of all the batteries are balanced and consistent;
the function prompting unit (14) is used for carrying out user identification, providing a voice output structure and completing voice interaction;
the battery management system (2) is used for detecting state parameters of the battery pack, and sending a discharging instruction to carry out user charging requirements after user information is verified;
The charging pile remote control system (3) is used for acquiring charging pile information, electric vehicle information, battery information and user card information, classifying and storing the charging pile information, and comprehensively analyzing and inquiring management and operation data.
2. The intelligent collaborative controlled new energy charging pile power control system according to claim 1, wherein: the uniform charging balance control unit (13) is also used for discharging from the alternating current energy storage model and the direct current energy storage model;
outputting discharge protection signals to the alternating current energy storage model and the direct current energy storage model;
Judging whether undervoltage or overcurrent and short circuit occur in the discharging process of the alternating current energy storage model and the direct current energy storage model;
When the undervoltage or overcurrent and short circuit occur, the discharge protection signal is reduced, and the discharge is ended.
3. The intelligent collaborative controlled new energy charging pile power control system according to claim 2, wherein: the battery management system (2) comprises a data processing unit (21), an instruction control unit (22) and a charging deduction unit (23);
the data processing unit (21) is used for acquiring data of a charging user and data of a vehicle to be charged, which are matched with user information;
Wherein, obtaining the user data comprises: a user registration module and a user login module;
The user registration module is used for acquiring user registration data and generating a UID value; the registration data comprises a user name, identity information and vehicle basic information;
The user login module is used for obtaining user input information and the UID value to be matched one by one and extracting vehicle data in the value;
The instruction control unit (22) is used for generating an instruction according to the acquired data and controlling the charging pile terminal system (1) to operate;
the charging deduction unit (23) is used for acquiring the charging electric quantity of the user, extracting the electricity unit price in the acquired third party electricity standard specified execution data, and deducting the cost after calculating the cost.
4. The intelligent collaborative controlled new energy charging pile power control system according to claim 3, wherein: the battery management system (2) includes: detecting the target residual electric quantity of the battery pack, monitoring the charging state of the battery pack in real time based on the detection result, and synchronously displaying the monitoring result on a target mobile terminal of a user, wherein the method specifically comprises the following steps:
the battery state detection unit is used for passively balancing the battery pack, coupling a detection circuit to the battery pack after the passive balancing, and determining the closed-circuit voltage of the battery pack based on the detection circuit;
A voltage detection unit for determining an amount of current of the battery pack based on the closed circuit voltage, and determining an open circuit voltage of the battery pack based on the amount of current;
The power detection unit is used for determining the residual power in the battery pack based on the open-circuit voltage, acquiring the current temperature parameter of the battery pack, and correcting the determined residual power based on a preset temperature power change curve to obtain target residual power;
A charging rate determination unit configured to:
performing at least one pulse discharge on the battery pack based on the detection circuit, and monitoring the association relation between the voltage and the discharge time of the battery pack in real time based on a discharge result;
determining battery characteristics of the battery pack based on the association relationship, and determining a charging rate of the battery pack based on the battery characteristics;
a charging duration determination unit configured to:
Acquiring the battery capacity of the battery pack, and determining a target charge amount of the battery pack based on the battery capacity and the target residual capacity;
determining a charging time length of the battery pack based on the target charging amount and the charging rate of the battery pack, determining a change rule of the electric quantity of the battery pack and the charging time length based on the charging rate, and determining electric quantity values corresponding to the battery pack at all times in the charging time length based on the change rule;
an information synchronization unit configured to:
Acquiring a verification result of user information, and determining a target mobile terminal bound by a user and a new energy charging pile based on the verification result;
And constructing a data transmission link of the target mobile terminal and the new energy charging pile, synchronously displaying the electric quantity value corresponding to each moment of the battery pack in the charging time on the target mobile terminal based on the data transmission link, sending a prompt to a user based on the target mobile terminal when the display result judges that the battery pack is charged, and settling the current charging cost based on the target mobile terminal.
5. The intelligent collaborative controlled new energy charging pile power control system according to claim 4, wherein: the data generation instruction acquired by the instruction control unit (22) includes:
The command control unit (22) judges the power characteristics required by vehicle charging according to the acquired vehicle data to be charged, and matches the power characteristics with preset commands one by one to obtain a matching command result;
inputting the matching instruction result into a blank data packet to generate an instruction, and transmitting the instruction to a charging pile terminal system (1);
and the charging pile terminal system (1) receives the instruction data packet and then selects a direct current charging mode or an alternating current charging mode to perform charging operation.
6. The intelligent collaborative controlled new energy charging pile power control system according to claim 5, wherein: the charging deduction unit (23) is also used for acquiring a supporting performance price policy of the place where the charging pile is located;
Meanwhile, judging whether time data carried by the charging electric power of the charging pile are in a power consumption valley period or not;
the charging deduction unit (23) is also used for providing a multi-channel payment mode for a third party application.
7. The intelligent collaborative controlled new energy charging pile power control system according to claim 6, wherein: the charging pile remote control system (3) comprises an operation mode management module (31), a user management module (32) and a query module (33);
The operation mode management module (31) is used for making power unit price according to the acquired policy data information, extracting keywords and making different charging modes; the charging mode includes: charging on time, charging, automatic filling and charging by mileage;
The user management module (32) is used for acquiring the user data, grouping users aiming at the data, simultaneously acquiring different user types aiming at the constructed grouping model result, acquiring charging data matched each time, and generating a user management table;
The inquiry module (33) is used for extracting data of user inquiry balance, current charging and historical charging, storing management and operation data and comprehensively analyzing according to the user management table.
8. The intelligent collaborative controlled new energy charging pile power control system according to claim 7, wherein: including a risk bearing cost assessment system, comprising:
the number determining unit is used for determining the construction number of the charging piles, calculating the construction cost of the charging piles based on the construction number, and calculating the risk bearing cost of the charging piles based on the construction cost, and specifically comprises the following steps:
The first calculation unit is used for calculating the construction cost of the charging pile:
wherein, Representing construction cost of the charging pile; Representing the number of transformers; representing a unit price value of each transformer; representing the number of charging piles; Representing the unit price value of the charging pile; representing the cost value required for construction of a charging pile site The discount rate is represented, and the value range is 0.6,0.8; representing the service life value of the charging pile;
the second calculating unit is used for calculating the risk bearing cost of building the charging pile:
wherein, Representing the risk bearing cost of constructing the charging pile; representing the service life value of the charging pile; Showing the maximum service life value of the charging pile; representing risk bearing probability, and the value range is (0, 1); Is shown in the first The annual updating maintenance cost of the charging pile; Is shown in the first Annual operation and maintenance cost of the charging pile; representing unpredictable costs; Representing error factors, wherein the value range is 0.01,0.04;
the comparison unit is used for comparing the risk bearing cost with a preset cost threshold;
If the risk bearing cost is greater than or equal to the preset cost threshold, judging that the construction cost of the charging pile exceeds the expected range, and planning a charging pile usage charging mode again;
and otherwise, judging that the construction cost of the charging pile is in an expected range, and completing the use charging planning of the charging pile.
9. The intelligent collaborative control new energy charging pile power control method is applied to the intelligent collaborative control new energy charging pile power control system according to claim 8, and is characterized in that: the method comprises the following steps:
Step one: the user logs in the charging pile terminal system (1), and the operation mode management module (31) provides the user with selection of a charging mode for the automobile to be charged;
Step two: the battery management system (2) provides alternating current and direct current charging instructions for the charging pile terminal system (1) according to the user data, and the battery is protected from being charged in an equalizing mode;
step three: after charging, the user pays for a third party according to the charging result, charging is completed, the charging pile remote control system (3) carries out remote control management, charging data are stored, and convenience is brought to the user for inquiring.
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| CN116923168B (en) * | 2023-06-21 | 2024-04-26 | 上海旋荣科技股份有限公司 | Charging pile electric energy dispatching system and dispatching method based on transformer substation networking |
| CN117048408B (en) * | 2023-08-09 | 2024-04-05 | 盐城工学院 | An intelligent management system for bidirectional charging of electric vehicles |
| CN117901702B (en) * | 2024-03-18 | 2024-06-04 | 南京国网电瑞电力科技有限责任公司 | Heavy current charging system for AC charging pile of new energy automobile |
| CN119239369B (en) * | 2024-12-05 | 2025-04-08 | 金华送变电工程有限公司三为电力分公司 | Electric vehicle charging control strategy integrating path planning and target charging area |
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