CN117549776A - Mobile AC/DC charging device control topology applied to charging robot - Google Patents

Mobile AC/DC charging device control topology applied to charging robot Download PDF

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Publication number
CN117549776A
CN117549776A CN202311512328.7A CN202311512328A CN117549776A CN 117549776 A CN117549776 A CN 117549776A CN 202311512328 A CN202311512328 A CN 202311512328A CN 117549776 A CN117549776 A CN 117549776A
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CN
China
Prior art keywords
charging
control module
energy storage
storage battery
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311512328.7A
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Chinese (zh)
Inventor
李少雄
张黎明
钱峰
杨磊
张剑
李承霖
胡益菲
于连祥
魏显鉴
祖国强
张智达
曹筱欧
贺瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Binhai Power Supply Co of State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Binhai Power Supply Co of State Grid Tianjin Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd, Binhai Power Supply Co of State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202311512328.7A priority Critical patent/CN117549776A/en
Publication of CN117549776A publication Critical patent/CN117549776A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • 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
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
    • 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN
    • 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

Abstract

The invention provides a mobile AC/DC charging device control topology applied to a charging robot, which comprises a charging robot control module, an input end, an energy storage battery system, a conversion control module, an inverter group, an AC output end, a DC output end, an AC/DC charging module and a wireless module, wherein the charging robot control module is arranged on the charging robot; the charging robot control module is respectively in communication connection with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through a CAN bus; the conversion control module is respectively in communication connection with the energy storage battery system and the inverter group through the CAN bus; the input end is connected with the energy storage battery system; the conversion control module is connected with the energy storage battery system, the inverter group and the direct current output end through the direct current bus respectively. The invention solves the problems of larger volume, single output power supply mode, complex control mode and low integration level on the robot of the traditional AC/DC charging device of the charging robot.

Description

Mobile AC/DC charging device control topology applied to charging robot
Technical Field
The invention belongs to the field of charging robots, and particularly relates to a control topology of a mobile alternating current-direct current charging device applied to a charging robot.
Background
In recent years, along with the large-scale application of electric automobiles and the improvement of social science and technology and intelligent level, the rapid development of the charging robot industry is also driven. The mobile charging robot with the AC/DC charging device has the capability of autonomous allocation, and a user can call the charging robot to conduct remote power transmission through a mobile phone network and conduct charging settlement. The vehicle-mounted mobile alternating current-direct current charging device is used for charging in a calling mode at any time and any place, so that the problem of emergency rescue charging of the electric automobile is solved greatly. The robot with the AC/DC charging device can be used as a temporary power supply system in areas with larger power grid power loads, such as industrial parks, urban distribution networks, remote mountain areas and the like, and has the advantages of small occupied area, flexible movement, rapidness, convenience and the like; the power supply can also be used as an emergency power supply for various situations such as electric power rescue, field operation, rescue and relief work, emergency treatment, temporary power supply and the like.
For the charging scene, the AC/DC charging device of the existing charging robot has the advantages of larger volume, single output power supply mode, complex control mode and low integration level on the robot.
Based on the above problems, it is necessary to provide a control topology of a mobile ac/dc charging device that reduces the control complexity and improves the integration level on the charging robot.
Disclosure of Invention
The invention solves the technical problem of providing a control topology of a mobile AC/DC charging device applied to a charging robot so as to solve the problems of larger volume, single output power supply mode, complex control mode and low integration level on the robot of the conventional AC/DC charging device of the charging robot.
In order to solve the problems, the invention provides a mobile AC/DC charging device control topology applied to a charging robot, which comprises a charging robot control module, an input end, an energy storage battery system, a conversion control module, an inverter group, an AC output end, a DC output end, an AC/DC charging module and a wireless module, wherein the charging robot control module is arranged on the charging robot;
the charging robot control module is respectively in communication connection with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through a CAN bus;
the conversion control module is respectively in communication connection with the energy storage battery system and the inverter group through a CAN bus;
the input end is connected with the energy storage battery system;
the conversion control module is connected with the energy storage battery system, the inverter group and the direct current output end through direct current buses respectively, so that the energy storage battery system supplies power to the inverter group and the direct current output end through the conversion control module;
the alternating current output end is connected with the inverter group;
the AC/DC charging module is respectively connected with the AC output end and the DC output end.
Preferably, the charging robot further comprises an energy storage converter PCS arranged on the charging robot; the PCS grid-connected energy storage converter is connected with the mains supply and is in communication connection with the conversion control module through a CAN bus; the energy storage converter PCS is connected with the conversion control module through a direct current bus, so that the energy storage battery system supplies power to the energy storage converter PCS through the conversion control module.
Preferably, the energy storage battery system includes an energy storage battery pack and a battery management system BMS; the energy storage battery pack is connected with the input end; and the battery management system BMS is respectively in communication connection with the charging robot control module and the conversion control module through CAN buses.
Further preferably, the energy storage battery pack adopts a lithium iron phosphate battery pack with the capacity not more than 100 KWH.
Preferably, the input terminal includes a direct current input terminal and an alternating current input terminal; the direct current input end and the alternating current input end are both in communication connection with the charging robot control module through the CAN bus.
Preferably, the inverter group includes a first inverter and a second inverter; the alternating current output end comprises an alternating current output socket and an international alternating current charging pile; the direct current output end is an international direct current charging pile;
the first inverter is connected with the alternating current output socket;
the second inverter is connected with the international alternating current charging pile;
and the international direct current charging pile is connected with the conversion control module through a direct current bus.
Further preferably, the output power of the ac output socket is 380V, and the output power of the international ac charging pile is 220V.
Preferably, the charging robot control module comprises an industrial personal computer and an industrial touch screen;
the industrial personal computer is connected with the industrial touch screen and is connected with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through CAN buses respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the mobile alternating current-direct current charging device control topology applied to the charging robot provided by the invention integrates each module on the charging robot, so that the control complexity of the charging robot is reduced, and the integration level of the charging robot is improved.
2. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention has the advantages that each module directly adopts the CAN bus for communication, the data transmission speed is high, the communication wire harness is saved, and the weight of the AC/DC charging device is reduced.
3. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention adopts the small-capacity and small-volume lithium iron phosphate battery, and has low price and flexible movement relative to the large-capacity AC/DC charging device, thereby meeting the application scene of narrow space.
4. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention designs the conversion control module to realize AC power supply control of the PCS and the inverter of the energy storage converter and DC power supply control of the international DC charging pile, and has the advantages of safe performance and convenient management.
5. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention has the advantages that the intelligent management and high-precision monitoring of the energy storage battery are realized by the adaptive battery management system BMS, and the reliability protection of the energy storage battery and the service life of the battery are improved.
6. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention has the advantages that the energy storage battery pack has two charging modes of DC charging and AC charging, and two charging piles of an international DC charging pile and an international AC charging pile are carried, so that the charging requirements of various electric automobiles and different vehicle types can be conveniently charged.
7. The mobile AC/DC charging device control topology applied to the charging robot provided by the invention has the advantages that the AC/DC charging module realizes the sampling of various power supply ports, the control of various power utilization facilities is convenient, the wireless module is adopted to realize a remote charging settlement mode for users, and the intelligent use and management are convenient.
Drawings
Fig. 1 is a topology diagram of a control topology of a mobile ac/dc charging device applied to a charging robot according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, 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.
The invention provides a mobile AC/DC charging device control topology applied to a charging robot, which comprises a charging robot control module, an input end, an energy storage battery system, a conversion control module, an inverter group, an AC output end, a DC output end, an AC/DC charging module and a wireless module, wherein the charging robot control module is arranged on the charging robot;
the charging robot control module is respectively in communication connection with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through a CAN bus;
the conversion control module is respectively in communication connection with the energy storage battery system and the inverter group through a CAN bus;
the input end is connected with the energy storage battery system;
the conversion control module is connected with the energy storage battery system, the inverter group and the direct current output end through direct current buses respectively, so that the energy storage battery system supplies power to the inverter group and the direct current output end through the conversion control module;
the alternating current output end is connected with the inverter group;
the AC/DC charging module is respectively connected with the AC output end and the DC output end.
The invention integrates a charging robot control module, an input end, an energy storage battery system, a conversion control module, an inverter group, an alternating current output end, a direct current output end, an alternating current-direct current charging module and a wireless module on the charging robot.
The energy storage battery system is used as a direct current output source.
The conversion control module is connected with the energy storage battery system through a direct current bus, receives an instruction issued by the charging robot control module through a CAN bus, and is used as a change-over switch of the energy storage battery system for outputting to different power supply circuits to control the voltage output to each path, and comprises a controllable inverter group for converting direct current into alternating current and outputting the alternating current to an alternating current output end for outputting to an electric automobile; can be supplied to a DC output end and output to an electric automobile.
Specifically, the conversion control module receives an instruction issued by the charging robot control module through the CAN bus, and performs switching control power supply on the inverter group or the direct current output end. The charging robot control module issues a command to the conversion control module through the CAN bus, when the conversion control module receives an alternating current power supply command issued by the charging robot control module, a main chip in the conversion control module signals to the energy storage battery system through the CAN bus to judge whether the power supply CAN be performed or not, if the energy storage battery system cannot supply the power, the conversion control module feeds back information which cannot be supplied to the charging robot control module, and issues information which is required to charge the energy storage battery system to an input end through the CAN bus; if so, the energy storage battery system supplies power to the conversion control module. The main chip in the conversion control module also issues an instruction for supplying power to the inverter group through the CAN bus to judge whether the power supply CAN be received or not, if the power supply CAN be received, the conversion control module opens an internal switch to receive the power supply of the energy storage battery system through the direct current bus and supplies the power supply to the inverter group; if the information can not be received, the conversion control module feeds back the information which can not be received to the charging robot control module. When the conversion control module receives a direct current bus power supply instruction issued by the charging robot control module, a main chip in the conversion control module signals the energy storage battery system through the CAN bus to judge whether power CAN be supplied or not, if so, the energy storage battery system supplies power to the conversion control module, and the conversion control module opens an internal switch to receive the power supply of the direct current bus of the energy storage battery and supply the power to the direct current output end; if the power cannot be supplied, the conversion control module feeds back the information that the power cannot be supplied to the charging robot control module, and the information that the input end needs to be charged for the energy storage battery system is issued through the CAN bus.
The charging robot control module is responsible for reading the running state of the modules. The CAN bus is communicated with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module to control and manage each functional module. When the charging robot control module sends a query instruction to the AC/DC charging module through the CAN bus, the AC/DC charging module is responsible for feeding the queried data back to the charging robot; when the charging robot control module sends an interaction instruction to the wireless module, management of client data by an administrator can be realized; when the charging robot control module inquires that the energy storage battery system is dead, the input end is inquired whether the energy storage battery system can be charged normally or not, and an instruction for charging is fed back to the energy storage battery system.
The AC/DC charging module samples the current of the AC output end and the DC output end, specifically, the current collected by the Hall current sampling circuit is connected to the ADC sampling unit after passing through the low-pass filter to obtain the data of the electricity consumption of the user, and the data is uploaded to the charging robot control module system through the CAN bus after the operation processing of the main chip in the charging module to realize the management function of charging the electricity consumption.
The wireless module mainly realizes information transmission between a user and the mobile AC/DC charging device through 4G wireless transmission, and comprises the function requests of charging, dispatching, selecting electric quantity and the like of the intelligent platform by the user through a mobile phone client. The wireless module and the charging robot control module are communicated through the CAN bus, and an administrator monitors and manages the mobile AC/DC charging device through the charging robot control module.
Preferably, the charging robot further comprises an energy storage converter PCS arranged on the charging robot; the PCS grid-connected energy storage converter is connected with the mains supply and is in communication connection with the conversion control module through a CAN bus; the energy storage converter PCS is connected with the conversion control module through a direct current bus, so that the energy storage battery system supplies power to the energy storage converter PCS through the conversion control module.
The PCS of the energy storage converter samples the mains supply input, adjusts output power in real time, and requests a conversion control module to supply power through the CAN bus. Specifically, the charging robot control module issues a command to the conversion control module through the CAN bus, when the conversion control module receives a grid-connected power supply command issued by the charging robot control module, a main chip in the conversion control module signals to the energy storage battery system through the CAN bus to judge whether the energy storage battery system CAN supply power or not, if the energy storage battery system cannot supply power, the conversion control module feeds back information which cannot supply power to the charging robot control module, and issues information which needs to charge the energy storage battery system to an input end through the CAN bus; if so, the energy storage battery system supplies power to the conversion control module. The main chip in the conversion control module also issues an instruction for supplying power to the PCS of the energy storage converter through the CAN bus to judge whether the power supply CAN be received, if the power supply CAN be received, the conversion control module opens an internal switch to receive the power supply of the DC bus of the energy storage battery system and supplies the power supply to the PCS of the energy storage converter; if the information can not be received, the conversion control module feeds back the information which can not be received to the charging robot control module.
Preferably, the energy storage battery system includes an energy storage battery pack and a battery management system BMS; the energy storage battery pack is connected with the input end; and the battery management system BMS is respectively in communication connection with the charging robot control module and the conversion control module through CAN buses.
The battery management system BMS is used for monitoring information such as voltage, current, multipoint temperature and the like of the energy storage battery system in real time, giving an alarm on the conditions such as overvoltage, undervoltage, overcurrent, short circuit, overtemperature, electric leakage and the like of the battery, and carrying out balanced analysis on the energy of the battery. When the energy storage battery system receives a power supply instruction sent by the conversion control module, the battery management system BMS judges that the energy storage battery system is powered on, signals are fed back to the conversion control module through the CAN bus, and power is supplied to the conversion control module through the direct current bus. When the battery management system BMS judges that the energy storage battery system is dead, the energy storage battery system is fed back to the charging robot control module, and the energy storage battery system is charged through the input end.
Further preferably, the energy storage battery pack adopts a lithium iron phosphate battery pack with the capacity not more than 100 KWH. The lithium iron phosphate battery with small capacity and small volume is adopted, and compared with a large-capacity battery pack, the lithium iron phosphate battery is low in price and flexible in movement, and meets the application scene of narrow space.
Preferably, the input terminal includes a direct current input terminal and an alternating current input terminal; the direct current input end and the alternating current input end are both in communication connection with the charging robot control module through the CAN bus. And charging the energy storage battery system by an external alternating current 220V charging mode or a direct current charging mode.
Preferably, the inverter group includes a first inverter and a second inverter; the alternating current output end comprises an alternating current output socket and an international alternating current charging pile; the direct current output end is an international direct current charging pile;
the first inverter is connected with the alternating current output socket;
the second inverter is connected with the international alternating current charging pile;
and the international direct current charging pile is connected with the conversion control module through a direct current bus.
When the alternating current output socket is adopted, the charging robot control module informs the conversion control module to switch to the first inverter through the CAN bus, and converts direct current into alternating current and supplies the alternating current to the alternating current output socket. When the international alternating-current charging pile is adopted for charging, the charging robot control module informs the conversion control module of switching to the second inverter through the CAN bus to convert direct current into alternating current and supply the alternating current to the international alternating-current charging pile. When the international direct current charging pile is adopted for charging, the charging robot control module informs the conversion control module to switch to the direct current bus through the CAN bus, and power is supplied to the international direct current charging pile.
Preferably, the output power of the alternating current output socket is 380V, and the output power of the international alternating current charging pile is 220V.
Preferably, the charging robot control module comprises an industrial personal computer and an industrial touch screen;
the industrial personal computer is connected with the industrial touch screen and is connected with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through CAN buses respectively.
Examples
As shown in fig. 1, the mobile ac/dc charging device control topology for a charging robot according to this embodiment includes a charging robot control module, an input terminal, an energy storage battery system, a conversion control module, an inverter group, an ac output terminal, a dc output terminal, an ac/dc charging module and a wireless module, which are disposed on the charging robot; the charging robot control module is respectively in communication connection with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through a CAN bus; the conversion control module is respectively in communication connection with the energy storage battery system and the inverter group through the CAN bus; the input end is connected with the energy storage battery system; the conversion control module is connected with the energy storage battery system, the inverter group and the direct current output end through the direct current bus respectively, so that the energy storage battery system supplies power to the inverter group and the direct current output end through the conversion control module; the alternating current output end is connected with the inverter group; the AC/DC charging module is connected with the AC output end and the DC output end respectively.
The system also comprises an energy storage converter PCS arranged on the charging robot, and is connected with the mains supply in a grid-connected manner and is in communication connection with the conversion control module through a CAN bus; the energy storage converter PCS is connected with the conversion control module through the direct current bus, so that the energy storage battery system supplies power to the energy storage converter PCS through the conversion control module.
The energy storage battery system comprises an energy storage battery pack and a battery management system BMS; the energy storage battery pack is connected with the input end; the battery management system BMS is respectively in communication connection with the charging robot control module and the conversion control module through CAN buses.
The energy storage battery pack adopts a lithium iron phosphate battery pack with the capacity of 60KWH, and the rated output power is 40KW.
The input end comprises a direct current input end and an alternating current input end, and the direct current input end and the alternating current input end are all in communication connection with the charging robot control module through the CAN bus.
The inverter group comprises a first inverter and a second inverter; the alternating current output end comprises an alternating current output socket and an international alternating current charging pile, and the international alternating current charging pile adopts a 7KW alternating current port charging gun; the direct current output end is an international direct current charging pile, and the international direct current charging pile adopts a 40KW direct current mouth charging gun; the first inverter is connected with the alternating current output socket; the second inverter is connected with the international alternating current charging pile; the international direct current charging pile is connected with the conversion control module through a direct current bus. The output power of the AC output socket is 380V, and the output power of the international AC charging pile is 220V.
The charging robot control module comprises an industrial personal computer and an industrial touch screen; the industrial personal computer is connected with the industrial touch screen and is connected with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through the CAN bus respectively.
According to the embodiment, each module is integrated on the charging robot, so that the control complexity of the charging robot is reduced, and the integration level of the charging robot is improved. Each module directly adopts the CAN bus to communicate, so that the data transmission speed is high, the communication wire harness is saved, and the weight of the AC/DC charging device is reduced. The lithium iron phosphate battery with small capacity and small volume is adopted, and compared with a high-capacity alternating-current/direct-current charging device, the lithium iron phosphate battery is low in price and flexible in movement, and can meet the application scene of narrow space. The conversion control module is designed to realize the AC power supply control of the PCS and the inverter of the energy storage converter and the DC power supply control of the international DC charging pile, and the energy storage converter is safe in performance and convenient to manage. The intelligent management and the high-precision monitoring of the energy storage battery are realized by the battery management system BMS, and the reliability protection of the energy storage battery and the service life of the battery are improved. The energy storage battery pack has two charging modes of direct current charging and alternating current charging, carries on two kinds of electric piles of international direct current charging pile and international alternating current charging pile, and the electric pile is convenient for charging of various electric vehicles and different motorcycle types. The AC/DC charging module realizes sampling of various power supply ports, is convenient for controlling various power utilization facilities, adopts the wireless module to realize a remote charging settlement mode for users, and is convenient for intelligent use and management.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (8)

1. The mobile AC/DC charging device control topology applied to the charging robot is characterized by comprising a charging robot control module, an input end, an energy storage battery system, a conversion control module, an inverter group, an AC output end, a DC output end, an AC/DC charging module and a wireless module which are arranged on the charging robot;
the charging robot control module is respectively in communication connection with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through a CAN bus;
the conversion control module is respectively in communication connection with the energy storage battery system and the inverter group through a CAN bus;
the input end is connected with the energy storage battery system;
the conversion control module is connected with the energy storage battery system, the inverter group and the direct current output end through direct current buses respectively, so that the energy storage battery system supplies power to the inverter group and the direct current output end through the conversion control module;
the alternating current output end is connected with the inverter group;
the AC/DC charging module is respectively connected with the AC output end and the DC output end.
2. The mobile ac/dc charging device control topology for a charging robot of claim 1, further comprising an energy storage converter PCS disposed on the charging robot; the PCS grid-connected energy storage converter is connected with the mains supply and is in communication connection with the conversion control module through a CAN bus; the energy storage converter PCS is connected with the conversion control module through a direct current bus, so that the energy storage battery system supplies power to the energy storage converter PCS through the conversion control module.
3. The mobile ac/dc charging device control topology applied to a charging robot of claim 1, wherein the energy storage battery system comprises an energy storage battery pack and a battery management system BMS; the energy storage battery pack is connected with the input end; and the battery management system BMS is respectively in communication connection with the charging robot control module and the conversion control module through CAN buses.
4. The mobile ac/dc charging unit control topology for a charging robot of claim 3 wherein said energy storage battery pack is a lithium iron phosphate battery pack having a capacity no greater than 100 KWH.
5. The mobile ac/dc charging device control topology for a charging robot of claim 1, wherein said inputs comprise a dc input and an ac input; the direct current input end and the alternating current input end are both in communication connection with the charging robot control module through the CAN bus.
6. The mobile ac/dc charging device control topology for a charging robot of claim 1, wherein the inverter group comprises a first inverter and a second inverter; the alternating current output end comprises an alternating current output socket and an international alternating current charging pile; the direct current output end is an international direct current charging pile;
the first inverter is connected with the alternating current output socket;
the second inverter is connected with the international alternating current charging pile;
and the international direct current charging pile is connected with the conversion control module through a direct current bus.
7. The mobile ac/dc charging unit control topology for a charging robot of claim 6, wherein the ac output socket has an output power of 380V and the international ac charging post has an output power of 220V.
8. The mobile ac/dc charging device control topology for a charging robot of claim 1, wherein said charging robot control module comprises an industrial personal computer and an industrial touch screen;
the industrial personal computer is connected with the industrial touch screen and is connected with the input end, the energy storage battery system, the conversion control module, the AC/DC charging module and the wireless module through CAN buses respectively.
CN202311512328.7A 2023-11-14 2023-11-14 Mobile AC/DC charging device control topology applied to charging robot Pending CN117549776A (en)

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CN202311512328.7A CN117549776A (en) 2023-11-14 2023-11-14 Mobile AC/DC charging device control topology applied to charging robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311512328.7A CN117549776A (en) 2023-11-14 2023-11-14 Mobile AC/DC charging device control topology applied to charging robot

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CN117549776A true CN117549776A (en) 2024-02-13

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