CN113335111A - Electric vehicle charging system based on peak clipping and valley filling - Google Patents

Electric vehicle charging system based on peak clipping and valley filling Download PDF

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Publication number
CN113335111A
CN113335111A CN202110709710.1A CN202110709710A CN113335111A CN 113335111 A CN113335111 A CN 113335111A CN 202110709710 A CN202110709710 A CN 202110709710A CN 113335111 A CN113335111 A CN 113335111A
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China
Prior art keywords
module
battery
power
power supply
electric
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Pending
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CN202110709710.1A
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Chinese (zh)
Inventor
周云
曲云鹏
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Ningbo Xiaoxiang Running Information Technology Co ltd
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Ningbo Xiaoxiang Running Information Technology Co ltd
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Priority to CN202110709710.1A priority Critical patent/CN113335111A/en
Publication of CN113335111A publication Critical patent/CN113335111A/en
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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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric 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
    • B60L53/64—Optimising energy costs, e.g. responding to electricity rates
    • 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
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses an electric vehicle charging system based on peak clipping and valley filling, which comprises a charging pile, wherein the charging pile is electrically connected with a power supply module through a cable, the power supply module is used for transmitting power transmitted by a power plant into the charging pile, the charging pile is also electrically connected with an energy storage module through a cable, the charging pile is in signal connection with a display module, the charging pile is respectively and electrically connected with a plurality of battery cars, the charging pile comprises a power supply receiving module, a power supply transfer module, a control module, an information transmission module and a port module, the invention identifies the type of a battery in charging through a type identification module in a detection module when in use, and then adjusts and implements a corresponding charging scheme according to the type of the battery, thereby effectively avoiding the situation that the individual differences of the batteries of electric bicycles are large compared with the prior art, the corresponding charging scheme cannot be carried out, and the service life of the battery is easily damaged after long-term use.

Description

Electric vehicle charging system based on peak clipping and valley filling
Technical Field
The invention belongs to the technical field of electric vehicle charging, and particularly relates to an electric vehicle charging system based on peak clipping and valley filling.
Background
The electric vehicle charging method is characterized in that the electric vehicle charging method is used for charging batteries of different electric vehicles in the prior art, so that the service life of the batteries of different types is influenced, the electric demand of people is increased in the day and night, the required electric quantity is different, and the electric power at night can not be stored by a power plant, so that the phenomenon of waste to a certain degree can be caused.
Disclosure of Invention
The present invention is directed to a system for charging an electric vehicle based on peak clipping and valley filling to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electric motor car charging system based on millet is filled in peak clipping, includes and fills electric pile, it has power module to fill electric pile through cable electric connection, power module is arranged in with the power transmission of power plant transmission to filling electric pile, it has energy storage module to fill electric pile through cable still electric connection, it has display module to fill electric pile signal connection, it has a plurality of storage battery cars to fill electric pile difference electric connection, it shifts module, control module, information transmission module and port module including supplying power to fill electric pile, the port module is including detection module and output module, detection module is used for carrying out detection and processing to the battery that the port is connected.
Preferably, the power supply receiving module is configured to receive and transmit power provided by the power supply module to each port module, the power supply transfer module is configured to transfer the power provided by the power supply module to the energy storage module, and the control module is configured to perform start-stop control on the power supply transfer module and ensure that the power storage operation of the energy storage module is controlled through the information transmission module without affecting normal use.
Preferably, the information transmission module is used for transmitting the information collected by the plurality of port modules to the display module, the information transmission module is further used for carrying out signal transmission on the information of whether the interface supplies power or not for the control module, and the port modules are used for connecting and supplying power and detecting the battery in the electromobile.
Preferably, the detection module includes a type identification module and a battery monitoring module, the type identification module is used for identifying the type of the connected battery and implementing different charging schemes for the battery model, the battery monitoring module is used for monitoring information such as the electric quantity and the voltage of the connected battery, and the battery monitoring module and the type identification module both connect the collected information signals to the information transmission module.
Preferably, the display module is used for visually showing a series of information such as battery types and battery electric quantities to a user, the battery monitoring module is in signal connection with a power-off module, the power-off module is used for conducting power-off operation on a single output module after the battery is fully charged, and the output module is used for transmitting cables to the corresponding battery cars.
Preferably, the control module comprises a timing module and a start-stop module, the timing module is used for performing signal control on the start-stop module according to the customized time, and the start-stop module is used for performing start-stop control processing on the power supply transfer module.
The invention has the technical effects and advantages that:
the storage battery car is connected to the output modules in the port module by a user, the plurality of output modules can normally supply power to the storage battery car by using the power supply receiving module, the type of a battery in charge is identified by the type identification module in the detection module when the storage battery car is used, and then the storage battery car is adjusted according to the type of the battery and a corresponding charging scheme is implemented;
compared with the prior art, the problem that the battery monitoring module is used for monitoring the battery which is being charged in real time, then transmitting collected information to the information transmission module, and then transmitting the collected information to the display module for data display of a user, so that the user can conveniently check the battery;
the project adopts a machine learning classification method, automatically identifies the battery type according to the battery state, and selects a proper charging scheme; in the charging process, the charging state of the battery is monitored and judged in real time by means of an online learning means.
In order to achieve the effect of peak clipping and valley filling, firstly, time is calculated through a timing module, generally from 22 to 8 points, when the time reaches the time, whether power is supplied to a plurality of port modules is monitored according to an information transmission module, if the power is not supplied to the outside, a start-stop module is started to start a power supply transfer module, and the power in a power supply module is transmitted to an energy storage module;
starting the starting and stopping module to stop the power supply transfer module when 8 o' clock is reached the next day, so that the power stored in the energy storage module is transmitted to each port module, the effect of peak clipping and valley filling is realized, the power at night is stored, the power stored at night is used for supplying power to the battery car when the next day is reached, and the reduction of the power required in the daytime is ensured to realize the equalization processing with the power at night;
the project aims to adopt a large-capacity lead-acid battery to construct a power regulation system, the system is charged at night, and the system is used for charging the battery of the electric bicycle in the daytime, so that peak clipping and valley filling are realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the charging system according to the present invention;
fig. 2 is a schematic structural diagram of an internal module of the charging cabinet according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the port module of the present invention;
FIG. 4 is a flow chart of a control module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an electric vehicle charging system based on load shifting includes charging pile, charging pile has power module through cable electric connection, power module is arranged in with power transmission that the power plant transmitted to charging pile, charging pile has energy storage module through cable still electric connection, charging pile signal connection has a display module, charging pile electric connection has a plurality of storage battery cars respectively, charging pile is including power supply receiving module, power supply transfer module, control module, information transmission module and port module, the port module is including detection module and output module, detection module is used for detecting the battery that the port is connected.
The power supply receiving module is used for receiving the power provided by the power supply module and transmitting the power to each port module, the power supply transfer module is used for transferring the power provided by the power supply module to the energy storage module, and the control module is used for controlling starting and stopping of the power supply transfer module and ensuring that the power storage operation of the energy storage module is controlled under the condition that normal use is not influenced through the information transmission module.
The information transmission module is used for transmitting the information collected by the port modules to the display module, the information transmission module is also used for carrying out signal transmission on the information of whether the interface is powered or not for the control module, and the port modules are used for connecting and supplying power and detecting the battery in the battery car.
The detection module comprises a type identification module and a battery monitoring module, the type identification module is used for identifying the type of a connected battery and implementing different charging schemes aiming at the type of the battery, the battery monitoring module is used for implementing and monitoring information such as the electric quantity and the voltage of the connected battery, and the battery monitoring module and the type identification module are connected with the collected information signals to the information transmission module.
The display module is used for visually showing a series of information such as battery types and battery electric quantities to a user, the battery monitoring module is in signal connection with a power-off module, the power-off module is used for being more full of batteries and then performing power-off operation on a single output module, and the output module is used for transmitting cables to a corresponding battery car.
The control module comprises a timing module and a start-stop module, the timing module is used for carrying out signal control on the start-stop module according to the customized time, and the start-stop module is used for carrying out start-stop control processing on the power supply transfer module.
The operation process of the system comprises the steps that firstly, a user connects the battery car to the output module in the port module, the power supply receiving module is utilized to enable the plurality of output modules to normally supply power to the battery car, then the type identification module in the detection module identifies the type of a battery in charge when the system is used, and then the system is adjusted according to the type of the battery and carries out a corresponding charging scheme, so that compared with the prior art, the system effectively avoids the problems that the service life of the battery is easily damaged due to the fact that the battery of the electric bicycle has large individual difference, the charging and discharging performances of the batteries of the same manufacturer and the same type are different, the corresponding charging scheme cannot be carried out, and the battery is used for a long time, and the battery monitoring module is utilized to monitor the battery in charge in real time, then collected information is transmitted to the information transmission module and then transmitted to the display module to display data of the user, the project adopts a machine learning classification method, automatically identifies the battery type according to the battery state, and selects a proper charging scheme; in the charging process, the charging state of the battery is monitored and judged in real time by means of an online learning means.
In order to realize the effects of peak clipping and valley filling, firstly, the time is calculated through a timing module, generally from 22 to 8 points, when the time reaches the time, whether power is supplied to a plurality of port modules is monitored according to an information transmission module, if no external power is supplied, a start-stop module is started to start a power supply transfer module, so that the power in the power supply module is transmitted to an energy storage module, when the time reaches the next day at 8 points, the start-stop module is started to stop the power supply transfer module, so that the power stored in the energy storage module is transmitted to each port module, the effects of peak clipping and valley filling are realized by storing the power at night, and then the power stored at night is supplied to a battery car next day, so that the power required in the day is reduced to realize the equalization processing with the power at night, and a large-scale energy storage device is required to be developed for the power peak clipping and valley filling, the project adopts a large-capacity lead-acid battery to construct a power regulation system, the system is charged at night, and the system charges the battery of the electric bicycle in the daytime, so that peak clipping and valley filling are realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an electric motor car charging system based on millet is filled in peak clipping, includes fills electric pile, its characterized in that: fill electric pile through cable electric connection with power module, power module is arranged in transmitting the power that the power plant transmitted to filling electric pile, it has energy storage module to fill electric pile through cable still electric connection, it has display module to fill electric pile signal connection, it has a plurality of storage battery cars to fill electric pile electric connection respectively, it is including power supply receiving module, power transfer module, control module, information transmission module and port module to fill electric pile, the port module is including detection module and output module, detection module is used for carrying out the detection and processing to the battery that the port is connected.
2. The electric vehicle charging system based on peak clipping and valley filling as claimed in claim 1, wherein: the power supply receiving module is used for receiving the power provided by the power supply module and transmitting the power to each port module, the power supply transfer module is used for transferring the power provided by the power supply module to the energy storage module, and the control module is used for controlling starting and stopping of the power supply transfer module and ensuring that the power storage operation of the energy storage module is controlled under the condition that normal use is not influenced through the information transmission module.
3. The electric vehicle charging system based on peak clipping and valley filling as claimed in claim 2, wherein: the information transmission module is used for transmitting the information collected by the port modules to the display module, the information transmission module is also used for carrying out signal transmission on the information of whether the interface is powered or not for the control module, and the port modules are used for connecting and supplying power and detecting the battery in the battery car.
4. The electric vehicle charging system based on peak clipping and valley filling as claimed in claim 1, wherein: the detection module comprises a type identification module and a battery monitoring module, the type identification module is used for identifying the type of a connected battery and implementing different charging schemes aiming at the type of the battery, the battery monitoring module is used for implementing and monitoring information such as the electric quantity and the voltage of the connected battery, and the battery monitoring module and the type identification module are connected with the collected information signals to the information transmission module.
5. The electric vehicle charging system based on peak clipping and valley filling as claimed in claim 1, wherein: the display module is used for visually showing a series of information such as battery types and battery electric quantities to a user, the battery monitoring module is in signal connection with a power-off module, the power-off module is used for being more full of batteries and then performing power-off operation on a single output module, and the output module is used for transmitting cables to a corresponding battery car.
6. The electric vehicle charging system based on peak clipping and valley filling as claimed in claim 1, wherein: the control module comprises a timing module and a start-stop module, the timing module is used for carrying out signal control on the start-stop module according to the customized time, and the start-stop module is used for carrying out start-stop control processing on the power supply transfer module.
CN202110709710.1A 2021-06-25 2021-06-25 Electric vehicle charging system based on peak clipping and valley filling Pending CN113335111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110709710.1A CN113335111A (en) 2021-06-25 2021-06-25 Electric vehicle charging system based on peak clipping and valley filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110709710.1A CN113335111A (en) 2021-06-25 2021-06-25 Electric vehicle charging system based on peak clipping and valley filling

Publications (1)

Publication Number Publication Date
CN113335111A true CN113335111A (en) 2021-09-03

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Application Number Title Priority Date Filing Date
CN202110709710.1A Pending CN113335111A (en) 2021-06-25 2021-06-25 Electric vehicle charging system based on peak clipping and valley filling

Country Status (1)

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CN (1) CN113335111A (en)

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