CN106454699B - charging pile RFID communication method based on ZigBee mesh network - Google Patents

charging pile RFID communication method based on ZigBee mesh network Download PDF

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Publication number
CN106454699B
CN106454699B CN201610808329.XA CN201610808329A CN106454699B CN 106454699 B CN106454699 B CN 106454699B CN 201610808329 A CN201610808329 A CN 201610808329A CN 106454699 B CN106454699 B CN 106454699B
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China
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zigbee
pev
charging
charging pile
router
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CN106454699A (en
Inventor
蒋涛
沈亮
秦奋
俞伟勇
陈双同
雒震
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HANGZHOU KAIDA ELECTRIC POWER CONSTRUCTION Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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HANGZHOU KAIDA ELECTRIC POWER CONSTRUCTION Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Publication of CN106454699A publication Critical patent/CN106454699A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • 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
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses charging pile RFID communication methods based on a ZigBee mesh network, which comprises the steps of forming the ZigBee mesh network by utilizing a ZigBee router in a virtual machine monitor VMM (virtual machine monitor) on a pure electric vehicle PEV and a ZigBee coordinator on a charging pile, using the ZigBee router as an RFID tag, allocating 16 dynamic addresses by the ZigBee coordinator, associating the dynamic addresses with a MAC (media access control) address of a ZigBee router , using the ZigBee coordinator as an RFID reader, and identifying the approaching or leaving of the PEV to the charging pile through the RSSI (received signal strength indicator) from the ZigBee router.

Description

charging pile RFID communication method based on ZigBee mesh network
Technical Field
The invention relates to the technical field of charging piles, in particular to charging pile RFID communication methods based on ZigBee mesh networks.
Background
At present, under the catalysis of multiple good policies such as central and local intensive subsidies, the market of new energy vehicles in China continues to be in a blowout state, along with the continuous expansion of the scale of new energy vehicles, the current situations of insufficient grain and grass for charging infrastructure construction and difficult charging are increasingly shown, the development of new energy vehicles is severely restricted due to the imperfect charging facilities, the speed of building a charging pile is increased, so that vehicle owners do not need to worry that batteries are not enough outside , however, the development of the electric vehicle industry is restricted due to how the electric vehicles realize quick and convenient charging, the background management system of the existing common charging pile is not perfect in structure and not perfect in function, a method for mutual communication between the charging pile and a PEV of a pure electric vehicle is not available at present, the quick and convenient charging of the pure electric vehicle is not affected, the speed and convenience for charging the pure electric vehicle are not enough, and the smooth work of the charging station of the electric vehicle is not enough.
Disclosure of Invention
The invention aims to provide charging pile RFID communication methods based on a ZigBee mesh network, so that mutual communication between a charging pile and a Pure Electric Vehicle (PEV) is realized, and the charging speed and convenience of the pure electric vehicle are improved.
In order to solve the technical problem, the invention provides a charging pile RFID communication method based on a ZigBee mesh network, which comprises the following steps:
a ZigBee router in a Virtual Machine Monitor (VMM) on a Pure Electric Vehicle (PEV) and a ZigBee coordinator on a charging pile are utilized to form a ZigBee mesh network;
using the ZigBee router as an RFID label, allocating 16-bit dynamic addresses by the ZigBee coordinator, and associating the dynamic addresses with the MAC address of the ZigBee router only ;
and taking the ZigBee coordinator as an RFID reader, and identifying the approaching or leaving of the PEV to the charging pile through the Received Signal Strength Indication (RSSI) from the ZigBee router.
Preferably, the VMM further includes an MSP430 microcontroller and a CC2530 radio frequency transceiver.
Preferably, the MSP430 microcontroller and CC2530 radio frequency transceiver are used to communicate with a ZigBee coordinator.
Preferably, the method further comprises:
and retrieving the MAC address of the ZigBee router, retrieving an authorized user, and detecting the plug-in state of the PEV.
Preferably, the plug-in status of the PEV is used to identify the presence of the PEV in the charging station and associate the PEV ID with a designated charging point.
Preferably, the method further comprises:
and performing charging identity authentication by using the RFID reader.
Preferably, the charging identity authentication using the RFID reader includes:
the method comprises the steps that a server sends an instruction, and a newly arrived pure electric vehicle PEV is checked within a preset time interval by using the instruction sent by the server;
after the RFID reader-writer is initialized, the server sends an RGST command to check whether a MAC address of a new ZigBee router is registered;
identifying whether a newly arrived pure electric vehicle PEV in the charging station is blocked or not by utilizing an STAT command;
identifying the existence of the PEV in the charging station by utilizing the plug-in state of the PEV in the charging station, and associating the ID of the PEV in the charging station with a specified charging point;
if the MAC address of the ZigBee router corresponds to the authorized user account stored in the database, the server sends a charging enabling command to start the PEV of the pure electric vehicle in the charging station for charging.
According to the charging pile RFID communication method based on the ZigBee mesh network, the ZigBee router in the virtual machine monitor VMM on the pure electric vehicle PEV and the ZigBee coordinator on the charging pile form the ZigBee mesh network, the ZigBee router serves as an RFID tag, 16-bit dynamic addresses are distributed by the ZigBee coordinator, the dynamic addresses are associated with the MAC address of the ZigBee router only , the ZigBee coordinator serves as an RFID reader, the approaching or leaving of the charging pile by the PEV is identified through the RSSI, therefore, the method establishes the ZigBee mesh network, the ZigBee router on the pure electric vehicle PEV and the ZigBee coordinator on the charging pile form the ZigBee mesh network, the ZigBee router serves as the RFID tag, the RFID tag is set, the RFID coordinator serves as the RFID reader, the approaching or leaving of the pure electric vehicle PEV to the charging pile is identified through the RSSI from the ZigBee router, the communication between the ZigBee router and the charging pile is achieved through the communication between the ZigBee router and the communication between the charging pile and the PEV, and the communication between the charging pile is achieved in a robust mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a charging pile RFID communication method based on a ZigBee mesh network according to the present invention.
Detailed Description
The core of the invention is to provide charging pile RFID communication methods based on the ZigBee mesh network, so that mutual communication between the charging pile and the PEV of the pure electric vehicle is realized, and the charging speed and convenience of the pure electric vehicle are improved.
For better understanding of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1, fig. 1 is a flowchart of a charging pile RFID communication method based on a ZigBee mesh network according to the present invention, where the method includes:
s11: a ZigBee router in a Virtual Machine Monitor (VMM) on a Pure Electric Vehicle (PEV) and a ZigBee coordinator on a charging pile are utilized to form a ZigBee mesh network;
s12, using the ZigBee router as an RFID label, allocating 16-bit dynamic addresses by the ZigBee coordinator, and associating the dynamic addresses with the MAC address of only of the ZigBee router;
s13: the ZigBee coordinator is used as an RFID reader, and the approach or departure of the PEV to the charging pile is identified through the received signal strength indication RSSI from the ZigBee router.
Therefore, the method establishes the ZigBee mesh network, the ZigBee router on the pure electric vehicle PEV and the ZigBee coordinator on the charging pile form the ZigBee mesh network, the ZigBee router serves as the RFID tag, the RFID tag is set, the ZigBee coordinator serves as the RFID reader, the pure electric vehicle PEV is identified to approach or leave the charging pile through the received signal strength indication RSSI from the ZigBee router, namely the pure electric vehicle PEV can be identified to approach or leave the charging pile, the ZigBee mesh network and the RFID identification verification mode are adopted, robust connection is provided for the pure electric vehicle PEV and the charging pile, communication of the charging pile is completed, mutual communication between the charging pile and the pure electric vehicle PEV is achieved, and the charging speed and convenience of the pure electric vehicle are improved.
Based on the above method, the VMM further includes an MSP430 microcontroller and a CC2530 radio frequency transceiver.
The MSP430 microcontroller and the CC2530 radio frequency transceiver are used for communicating with the ZigBee coordinator.
The dynamic address is associated with the MAC address unique to the ZigBee router , namely the dynamic address is bound with the MAC address unique to the ZigBee router , and an association relationship is established.
And , the method further comprises the steps of retrieving the MAC address of the ZigBee router, retrieving the authorized user and detecting the plug-in state of the PEV, wherein the MAC address of the ZigBee router is the label ID.
Wherein the plug-in status of the PEV is used to identify the presence of the PEV in the charging station and associate the ID of the PEV with the designated charging point. The ID of the PEV is associated with the specified charging point, namely the ID of the PEV is bound with the specified charging point, and an association relation is established.
, the method further includes authenticating the charging identity with the RFID reader.
The process of charging identity authentication by using the RFID reader specifically includes:
s1: the method comprises the steps that a server sends an instruction, and a newly arrived pure electric vehicle PEV is checked within a preset time interval by using the instruction sent by the server;
s2: after the RFID reader-writer is initialized, the server sends an RGST command to check whether a MAC address of a new ZigBee router is registered;
s3: identifying whether a newly arrived pure electric vehicle PEV in the charging station is blocked or not by utilizing an STAT command;
s4: identifying the existence of the PEV in the charging station by utilizing the plug-in state of the PEV in the charging station, and associating the ID of the PEV in the charging station with a specified charging point;
s5: if the MAC address of the ZigBee router corresponds to the authorized user account stored in the database, the server sends a charging enabling command to start the PEV of the pure electric vehicle in the charging station for charging.
The format from the server command to the charging pile is as follows: COMD [ Command ] [ channel ] [ parameter ].
Specifically, the method further comprises the following steps: the ZigBee coordinator is used as an RFID reader, and the approaching or leaving of the PEV is identified through the received signal strength indication RSSI from the ZigBee terminal equipment.
The ZigBee router is also called as ZigBee equipment, and associates the dynamic address with the MAC address of the ZigBee router unique , namely associates the dynamic address with the MAC address of the ZigBee equipment unique .
The RFID tags are processed by PEV-located vehicle monitoring/identification modules, i.e., VMMs, referred to as VMM processes, which act as only identifiers with the MAC address of the ZigBee device, and in addition, the VMM CAN be converted into remote sensors, the status of which is monitored via the PEV's CAN bus.
In summary, the charging pile RFID communication methods based on the ZigBee mesh network provided by the invention utilize a ZigBee router in a virtual machine monitor VMM on a pure electric vehicle PEV and a ZigBee coordinator on a charging pile to form the ZigBee mesh network, the ZigBee router is used as an RFID tag, 16 dynamic addresses are distributed by the ZigBee coordinator, the dynamic addresses are associated with a MAC address of a ZigBee router only , the ZigBee coordinator is used as an RFID reader, the approach or departure of the PEV to the charging pile is identified through RSSI from the ZigBee router, therefore, the method establishes the ZigBee mesh network, the ZigBee router on the pure electric vehicle PEV and the ZigBee coordinator on the charging pile form the ZigBee mesh network, the ZigBee router is used as the RFID tag, the RFID coordinator is used as the RFID reader, the ZigBee coordinator is used as the RFID reader, the RSSI from the ZigBee router is used for identifying the approach or departure of the pure electric vehicle PEV to the charging pile, the approach or departure of the pure electric vehicle PEV to the charging pile is identified, the communication between the charging pile and the PEV is realized in a robust communication mode, and the communication between the PEV and the charging pile is improved.
The charging pile RFID communication methods based on ZigBee mesh network provided by the present invention are described in detail, the principle and the implementation of the present invention are explained in detail by applying specific examples, and the description of the above examples is only used for helping to understand the method of the present invention and the core idea thereof.

Claims (6)

1, charging pile RFID communication method based on ZigBee mesh network, which is characterized by comprising the following steps:
a ZigBee router in a Virtual Machine Monitor (VMM) on a Pure Electric Vehicle (PEV) and a ZigBee coordinator on a charging pile are utilized to form a ZigBee mesh network;
using the ZigBee router as an RFID label, allocating 16-bit dynamic addresses by the ZigBee coordinator, and associating the dynamic addresses with the MAC address of the ZigBee router only ;
the ZigBee coordinator is used as an RFID reader, and the approach or departure of the PEV to the charging pile is identified through the received signal strength indication RSSI from the ZigBee router;
and retrieving the MAC address of the ZigBee router, retrieving an authorized user, and detecting the plug-in state of the PEV.
2. The method of claim 1, wherein the VMM further comprises an MSP430 microcontroller and a CC2530 radio frequency transceiver.
3. The method of claim 2, wherein the MSP430 microcontroller and CC2530 radio frequency transceiver are used to communicate with a ZigBee coordinator.
4. The method of claim 1, wherein the plug-in status of the PEV is used to identify the presence of the PEV in a charging station and associate the PEV's ID with a specified charging point.
5. The method of claim 1, further comprising:
and performing charging identity authentication by using the RFID reader.
6. The method of claim 5, wherein the authenticating the charging identity with the RFID reader comprises:
the method comprises the steps that a server sends an instruction, and a newly arrived pure electric vehicle PEV is checked within a preset time interval by using the instruction sent by the server;
after the RFID reader-writer is initialized, the server sends an RGST command to check whether a MAC address of a new ZigBee router is registered;
identifying whether a newly arrived pure electric vehicle PEV in the charging station is blocked or not by utilizing an STAT command;
identifying the existence of the PEV in the charging station by utilizing the plug-in state of the PEV in the charging station, and associating the ID of the PEV in the charging station with a specified charging point;
if the MAC address of the ZigBee router corresponds to the authorized user account stored in the database, the server sends a charging enabling command to start the PEV of the pure electric vehicle in the charging station for charging.
CN201610808329.XA 2016-09-06 2016-09-06 charging pile RFID communication method based on ZigBee mesh network Active CN106454699B (en)

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CN107351702A (en) * 2017-06-23 2017-11-17 芜湖恒天易开软件科技股份有限公司 Cluster charging pile system

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CN205508164U (en) * 2016-04-12 2016-08-24 北京方智科技有限公司 Charging station intelligence parking stall control system
CN205523736U (en) * 2016-01-22 2016-08-31 江苏大学 Electric automobile trades power station battery quality remote monitering system

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CN205523736U (en) * 2016-01-22 2016-08-31 江苏大学 Electric automobile trades power station battery quality remote monitering system
CN205508164U (en) * 2016-04-12 2016-08-24 北京方智科技有限公司 Charging station intelligence parking stall control system

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