CN114125585B - Monitoring and analyzing system and method for charging process of electric vehicle charging pile - Google Patents
Monitoring and analyzing system and method for charging process of electric vehicle charging pile Download PDFInfo
- Publication number
- CN114125585B CN114125585B CN202111375058.0A CN202111375058A CN114125585B CN 114125585 B CN114125585 B CN 114125585B CN 202111375058 A CN202111375058 A CN 202111375058A CN 114125585 B CN114125585 B CN 114125585B
- Authority
- CN
- China
- Prior art keywords
- data
- charging
- message
- monitoring
- charging pile
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title abstract description 81
- 230000008569 process Effects 0.000 title abstract description 63
- 238000012544 monitoring process Methods 0.000 title abstract description 50
- 238000004458 analytical method Methods 0.000 abstract description 39
- 238000007726 management method Methods 0.000 abstract description 26
- 238000013500 data storage Methods 0.000 abstract description 21
- 238000004891 communication Methods 0.000 abstract description 16
- 230000003993 interaction Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 28
- 238000007781 pre-processing Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 9
- 238000007405 data analysis Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 102100026278 Cysteine sulfinic acid decarboxylase Human genes 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 108010064775 protein C activator peptide Proteins 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- 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
-
- 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
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The disclosure provides an electric vehicle charging pile charging process monitoring analysis system and method, the electric vehicle charging pile charging process monitoring analysis system comprises: the system comprises an acquisition module, a management module, a data storage module and a station end analysis and monitoring module; according to the method and the device, the running state of the charging pile and the interaction data of the charging pile and the electric automobile during charging can be recorded through the charging process monitoring terminal, and meanwhile, the running of the charging pile can be checked and monitored remotely; when the charging pile is in fault or the charging pile and the electric automobile are in fault in the charging process, various electric quantity change conditions and relevant message data in the processes before and after the fault are provided, and the data are analyzed and compared through a matched analysis tool, so that the occurrence point of the accident and the specific fault cause can be judged; the dual-backup function is achieved, data backup CAN be conducted through communication with the station software, and backup CAN be conducted through the CAN interface and the adjacent device, so that data safety is fully guaranteed.
Description
Technical Field
The disclosure belongs to the technical field of electrical engineering, and particularly relates to a monitoring and analyzing system and method for a charging process of an electric vehicle charging pile.
Background
At present, the charging pile end and the electric automobile end can check the charging real-time state through accessing the monitoring screen when charging.
The inventor of the present disclosure finds that the following problems exist in the above method and the existing monitoring system for the charging process of the electric vehicle charging pile: 1. the interactive data in the charging process is not stored or not stored completely enough, and once an accident occurs, the accident cause cannot be identified due to the insufficient data; 2. meanwhile, in the whole charging process, electrical data and message data in the charging process are not combined in analysis, and the charging process or the charging problem is not visually embodied; 3. in addition, the accident in the charging process can cause damage to the stored data in the charging pile, so that the accident cause is more difficult to find.
Disclosure of Invention
In order to solve the problems, the invention provides a monitoring and analyzing system and a monitoring and analyzing method for a charging process of a charging pile of an electric automobile, wherein the monitoring and analyzing system and the method can record the running state of the charging pile and the interaction data of the charging pile and the electric automobile during charging through a charging process monitoring terminal, and can remotely check and monitor the running of the charging pile; when the charging pile is in fault or the charging pile and the electric automobile are in fault in the charging process, various electric quantity change conditions and related message data in the processes before and after the fault are provided, the data are analyzed and compared through a matched analysis tool, the starting point of the accident and the specific fault cause can be judged, and the method plays an important role in improving the safe running level of the charging pile; the dual-backup function is further provided, data backup CAN be performed through communication with the station software, and backup CAN be performed through the CAN interface and the adjacent device, so that the safety of the data is fully ensured.
To achieve the above object, in a first aspect, the present disclosure provides an electric vehicle charging pile charging process monitoring and analyzing system, which adopts the following technical scheme:
the monitoring and analyzing system for the charging process of the electric vehicle charging pile comprises an acquisition module, a management module, a data storage module and a station end analysis and monitoring module;
the acquisition module is used for acquiring electric data, switching value data and CAN message data in the operation process of the charging pile;
the management module is used for carrying out parameter storage, B code time synchronization, charging state monitoring, electric data preprocessing and message preprocessing on the electric data and the message data acquired by the acquisition module;
The data storage module is used for storing the data in the acquisition module and the management module, supporting an online backup mode of CAN messages and carrying out mutual backup through CAN communication with adjacent charging piles;
the station end analysis and monitoring module is used for monitoring the running state of the charging pile and real-time data of the charging process in real time, acquiring the data in the management module and the data storage module, and analyzing the charging process through data analysis and waveform analysis respectively.
Further, the acquisition module comprises an electric data acquisition module, a switching value acquisition module and a message data acquisition module;
The electric data acquisition module is used for acquiring electric data of the charging pile in the operation process, and comprises direct-current output voltage, current quantity and battery voltage; meanwhile, acquiring voltage of a battery management system, control guiding voltage and temperature data of a charging gun;
the switching value acquisition module acquires switching value data of the multipath charging pile, wherein the switching value data comprise data of a charging gun electronic lock, a positive bus direct current relay and a negative bus direct current relay;
The message data acquisition module is used for acquiring a message of a battery management system and a message of a charging control unit in the charging process.
Furthermore, the management module combines the voltage and current data with CAN message data and synchronously stores the voltage and current data; or, the CAN message is independently and separately stored.
Further, the charge state monitoring means that whether the charging is performed is judged through the voltage of the battery management system and the state of the switching value of the electronic lock of the charging gun, if the charging is performed, a charge start time record is generated, and when the charging is finished, a charge end time record is generated.
Further, the electrical data preprocessing refers to filtering voltage and current sampling data; message preprocessing refers to filtering a message.
Further, the operation of the battery management system in the charging process is intuitively monitored whether the operation meets the requirement or not by analyzing the message and selecting a required battery management system demand voltage message and comparing the message with a battery management system voltage compacting value measured in real time.
Furthermore, the data storage module adopts an SD card mode to store data, supports an online backup mode of CAN messages, and performs mutual backup through CAN communication with adjacent charging piles.
Further, the data storage module comprises steady-state data storage, message data storage, charging archive storage and data backup functions;
the steady state data storage means that sampling data are circularly stored, and a steady state file is generated;
The message data storage means that messages are respectively stored into a transient data exchange universal format and an independent datagram storage format of a steady-state standard power system;
the storage of the charging archives means that archives are generated and recorded at the charging start time and the charging end time recorded by the management module;
the data backup refers to that a path of CAN interface is adopted to carry out mutual backup on the message and the devices of the adjacent piles.
Further, the station end analysis and monitoring module comprises real-time monitoring, steady-state data checking and exporting, message data checking and exporting, charging process analysis, charging waveform analysis, charging archive checking, data backup and parameter reading and writing functions;
the real-time monitoring means that the change of each item of sampling data is checked, and the running state of the charging pile is mastered;
The steady state data checking and exporting means that stored steady state data and steady state data files are obtained, waveforms of the steady state data are checked, and the running state of the charging pile is analyzed through the waveforms;
The message data checking and exporting means that the message data is checked independently to check the ID and the data content information of the CAN message;
the charging process analysis means that the data of each charging stage is analyzed by analyzing the recorded charging message data and selecting the data of the charging stage according to the charging starting time and the charging ending time;
The charging waveform analysis means that charging waveforms are selected from steady-state data and displayed in a collecting way, and the complete waveform of primary charging is displayed in an interface to display the state of integral charging;
The charge file checking means that checking recorded charge start time and charge end time, and selecting a charge file according to the time;
the data backup is to realize the backup of the adjacent devices of the message through CAN communication and store the sampled data in a station monitoring and analyzing platform;
The parameter reading and writing means that the operation parameters of the device are modified.
In order to achieve the above object, in a second aspect, the present disclosure further provides a method for monitoring and analyzing a charging process of an electric vehicle charging pile, which adopts the following technical scheme:
the method for monitoring and analyzing the charging process of the charging pile of the electric automobile adopts the system for monitoring and analyzing the charging process of the charging pile of the electric automobile according to the first aspect; comprising the following steps:
acquiring electrical data, switching value data and CAN message data in the operation process of the charging pile;
The electrical data and the message data acquired by the acquisition module are subjected to parameter storage, B code time synchronization, charging state monitoring, electrical data preprocessing and message preprocessing;
The data in the acquisition module and the management module are stored, an online backup mode of CAN messages is supported, and mutual backup is carried out through CAN communication with adjacent charging piles;
And monitoring the running state of the charging pile and real-time data of the charging process in real time, acquiring the data in the management module and the data storage module, and respectively analyzing the charging process through data analysis and waveform analysis.
Compared with the prior art, the beneficial effects of the present disclosure are:
1. According to the method and the device, the running state of the charging pile and the interaction data of the charging pile and the electric automobile during charging can be recorded through the charging process monitoring terminal, and meanwhile, the running of the charging pile can be checked and monitored remotely; when the charging pile is in fault or the charging pile and the electric automobile are in fault in the charging process, various electric quantity change conditions and related message data in the processes before and after the fault are provided, the data are analyzed and compared through a matched analysis tool, the starting point of the accident and the specific fault cause can be judged, and the method plays an important role in improving the safe running level of the charging pile;
2. the dual-backup function is further provided, data backup CAN be performed through communication with the station software, and backup CAN be performed through the CAN interface and the adjacent device, so that the safety of the data is fully ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification, illustrate and explain the embodiments and together with the description serve to explain the embodiments.
FIG. 1 is an overall construction diagram of embodiment 1 of the present disclosure;
FIG. 2 is a schematic diagram of data interaction in embodiment 1 of the present disclosure;
fig. 3 is a configuration of station side monitoring analysis software according to embodiment 1 of the present disclosure.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example 1:
As shown in fig. 1, the present disclosure provides a monitoring and analyzing system for a charging process of an electric vehicle charging pile, which includes an acquisition module, a management module, a data storage module and a station end analysis and monitoring module.
In this embodiment, compared with a general recording device, the acquisition module not only CAN acquire voltage, current and switching value data, but also CAN acquire CAN message data; specifically, the method comprises the following modules:
An electrical data acquisition module: the method can collect important electrical data in the operation process of the charging pile, the collection amount is comprehensive, the direct-current output voltage, the current amount and the battery voltage are collected, and meanwhile, the BMS (battery management system) voltage, the CC1 (control guidance) voltage and the temperature data of the charging gun are collected;
The switching value acquisition module is used for: the function of collecting the switching value data of the 3-path charging pile is provided, and the safety is ensured by adopting the design of an isolation circuit. The switching value collected in this design is: charging gun electronic lock, positive bus DC relay and negative bus DC relay;
Message data acquisition module: besides voltage, current and switching value data, the device also additionally adopts a 3-path high-performance CAN controller to collect BMS (battery management system) messages and TCU (charging control unit) messages in the charging process. The above message plays an important role in the analysis of the charging process of the charging pile, and compared with an acquisition device which only acquires the functions of voltage and current and the switching value, the device can be matched with the message to perfect the analysis of the charging process, and analyze the message according to the specification of a communication protocol (hereinafter referred to as GB/T27930 protocol) between a non-vehicle-mounted conductive charger of the electric automobile and a battery management system for BMS message communication.
In the embodiment, the function of the management module is controlled by the microprocessor, and a lightweight Freertos real-time system is used for scheduling among multiple tasks, so that the real-time performance of the system is ensured; the management module mainly has the functions of parameter storage, B code time synchronization, charging state monitoring, voltage and current preprocessing, message preprocessing, steady-state data caching and message caching.
The management module CAN combine the electrical data such as voltage and current with CAN message data and synchronously store the electrical data, thereby being beneficial to on-site monitoring; the CAN messages CAN be independently and separately stored, so that maintenance personnel CAN conveniently and independently analyze the CAN messages.
Specifically, each function of the management module is as follows:
And (3) parameter storage: the parameters of the device are stored in the device through an EEPROM (electrically erasable programmable read only memory), and are automatically read after being electrified;
b, code time setting: the device is provided with a B code 485 time setting interface, and the time is automatically set after the B code signal is accessed;
State of charge monitoring: the device realizes the monitoring to the charge state simultaneously in the data receiving process, judges whether to charge through BMS voltage and the switch quantity state of the charging gun electronic lock, if so, generates a charge start time record in the charging process, and generates a charge end time record in the ending process. The charging record can be used for selecting charging part data at the station end so as to analyze the charging data and waveforms;
Voltage and current pretreatment: after the sampling is finished, the voltage and current sampling data is filtered, and a median filtering algorithm is adopted to overcome the interference of the filtered sampling. The algorithm samples 5 times continuously, 5 sampling values are arranged according to the size, and the intermediate value is taken as the effective value of the time;
Message pretreatment: the function can filter the message by using a filter, and can analyze the ID of the message by using a GB/T27930 protocol to select the required message. In the real-time monitoring function of the measurement data, whether the operation of the BMS system meets the requirement or not can be intuitively monitored by analyzing the message and selecting a required BMS required voltage message and comparing the required voltage message with a real-time value of the BMS voltage measured in real time;
Data caching: and caching the sampled data and transferring the data to a data storage module.
In this embodiment, the data storage module performs data storage in an SD card mode, and compared with a fixed memory mode or a hard disk storage mode adopted by a conventional data recording device, the method is convenient to install and replace, occupies a small space, and in addition, once the charging pile is damaged due to an accident, the SD card can be taken out independently for reading, thereby having a good protection effect on data.
In addition, the data storage module also supports an online backup mode of CAN messages, and mutual backup is carried out through CAN communication with adjacent charging piles, so that the safety is improved for the data storage of the device; the specific functions are as follows:
Steady state data storage: the sampling data can be circularly stored, and a steady-state file is generated for convenient viewing; the recording data storage format is a COMTRADE (standard power system transient data exchange universal format) standard format;
Message data storage: the messages are respectively stored into a steady state COMTRADE format and an independent PCAP (datagram storage format) message format, and the steady state storage can intuitively display data; PCAP format messages are stored independently and can be checked independently;
And (3) storing a charging archive: generating and recording the charging start and end time recorded by the management module;
backing up data: and a path of CAN interface is adopted to carry out mutual backup on the message and the devices of the adjacent piles, and the mutual backup function further improves the safety of data.
In this embodiment, the station-side analysis and monitoring module is connected to the station-side analysis and monitoring module through a network cable, and is composed of an analysis and monitoring software platform, so that software can monitor the running state of the charging pile and real-time data of the charging process in real time, can also analyze the charging process by reading the wave recording data and the message data, and can analyze the charging process through data analysis and waveform analysis, thereby greatly helping to find faults and reasons of charging.
The station end analysis and monitoring software has a plurality of functions, wherein the charging process analysis can analyze each stage of the charging process through analysis messages, such as: BMS interaction procedures (e.g., handshake, identification, parameter configuration, ready, precharge, charge, shutdown, and whether each stage of message interaction is successful); an insulation detection process (voltage direct current contactor open/close state); a precharge process (voltage, current, battery voltage, and dc contactor open/close state); in the shutdown process (voltage, current, battery voltage and direct current contactor opening and closing state), and the like, a certain conclusion can be further obtained through analysis, such as active shutdown of the charging pile, active shutdown of the BMS, abnormal shutdown of the BMS, fault shutdown of the charging pile and the like; specifically, each function is as follows:
and (3) real-time monitoring: the change of each item of sampling data can be checked in time through the real-time monitoring function of analysis monitoring software, and the running state of the charging pile is mastered; the real-time information can check the direct current output voltage, the direct current output current, the battery voltage, the BMS voltage, the control guiding voltage, the charging gun electronic lock state, the positive bus direct current relay state and the negative bus direct current relay state, and can also check the BMS demand voltage in real time by analyzing BMS messages, and compare the BMS demand voltage with BMS actual measurement voltage;
Steady state data viewing and derivation: the function can acquire stored steady-state data and steady-state data files from the SD card through a network interface, can also check waveforms of the steady-state data through special data analysis software, and analyzes the running state of the charging pile through the waveforms;
message data viewing and exporting: the function CAN independently check the message data, and check the ID, the data content and other information of the CAN message through a message analysis tool;
And (3) charging process analysis: the function can analyze the data of each charging stage by analyzing the recorded charging message data and selecting the data of the charging stage according to the charging starting time and the charging ending time;
and (3) charging waveform analysis: the function can select and display the charging waveform from the steady-state data in a collecting way, display the complete waveform of one-time charging in an interface, intuitively display the overall charging state, and has better and more intuitive function effect and great help to search the problem in the charging process compared with a device for displaying the charging data in general;
Charging archive viewing: checking the recorded charging start time and charging end time functions, and selecting a charging file through time;
Backing up data: the system also has a unique double backup function, CAN realize backup of adjacent devices of the message through CAN communication, CAN store sampled data in a station monitoring and analyzing platform, realizes double insurance of the data, and CAN still retrieve recorded wave data from the station once the data is damaged and cannot be read due to the occurrence of problems in the pile, so that a complex data repair process is not required due to the data damage;
parameter reading and writing: the station-side analysis platform may also modify the device operating parameters. The convenience of operation and maintenance is realized.
In this embodiment, as shown in fig. 2, which is an overall operation structure of the charging process monitoring and analyzing system, data interaction between each device is mainly completed through a network cable and a CAN line.
Each device is connected with station monitoring analysis software through an RJ45 port by using a network cable, and is uniformly monitored, and data are transmitted through TCP network connection and are backed up.
Meanwhile, adjacent devices communicate through the CAN interface and mutually backup message data, so that the safety of the data is improved.
As shown in fig. 3, in this embodiment, the station monitoring analysis software structure is: the software is client software, and is communicated with the device, namely the server through TCP connection, and the server operates according to instructions sent by the client software; the server device adopts LWIP (light network protocol) protocol, reduces the occupation of RAM on the basis of maintaining TCP protocol, and is more suitable for the use of embedded devices compared with the full version TCP/IP protocol stack.
And meanwhile, the station software and the device are communicated in a concurrent communication mode, so that a plurality of client requests can be processed simultaneously. As shown in fig. 3, after the software enters the software interface, each charging pile identifier and serial number are displayed first, and after clicking a specific charging pile, the next stage is entered, for example, after clicking a 1# charging pile, the service end of the 1# charging pile device is connected with the client software, and communication with other devices which do not need to be operated temporarily is interrupted, so as to ensure the communication bandwidth and improve the communication speed (as shown in a dotted line state).
After entering the next stage, the 5 contents of the next stage, namely real-time information, a wave recording file, a message file, a charging file and parameter reading and writing can be operated.
The next stage of record file association is record waveform analysis function, corresponding record files are read by obtaining the waveform file names in the record files, and then waveforms are analyzed by software.
The related subordinate operation of the message file case is a message analysis function, the message analysis adopts the message analysis function in software, the message is classified by analyzing the ID and the content of the message, and the message can be further analyzed by GB/T27930 protocol.
The charging archives are associated with subordinate operations and are the charging process analysis function, the starting time and the ending time of charging are determined through the time in the charging archives, the recorded data of the charging time is selected, the function is used for analyzing the electric quantity, and meanwhile, the wave recording message is combined, so that the whole and comprehensive analysis can be carried out on the charging process, and the problem of the charging fault is found out.
Example 2:
The embodiment provides a monitoring and analyzing method for the charging process of an electric automobile charging pile, which adopts the monitoring and analyzing system for the charging process of the electric automobile charging pile as described in the embodiment 1; comprising the following steps:
acquiring electrical data, switching value data and CAN message data in the operation process of the charging pile;
The electrical data and the message data acquired by the acquisition module are subjected to parameter storage, B code time synchronization, charging state monitoring, electrical data preprocessing and message preprocessing;
The data in the acquisition module and the management module are stored, an online backup mode of CAN messages is supported, and mutual backup is carried out through CAN communication with adjacent charging piles;
And monitoring the running state of the charging pile and real-time data of the charging process in real time, acquiring the data in the management module and the data storage module, and respectively analyzing the charging process through data analysis and waveform analysis.
The above description is only a preferred embodiment of the present embodiment, and is not intended to limit the present embodiment, and various modifications and variations can be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present embodiment should be included in the protection scope of the present embodiment.
Claims (8)
1. The monitoring and analyzing system for the charging process of the electric automobile charging pile is characterized by comprising an acquisition module, a management module, a data storage module and a station end analysis and monitoring module;
the acquisition module is used for acquiring electric data, switching value data and CAN message data in the operation process of the charging pile; the switching value acquisition module acquires switching value data of the multipath charging pile, wherein the switching value data comprise data of a charging gun electronic lock, a positive bus direct current relay and a negative bus direct current relay; the message data acquisition module is used for acquiring a battery management system message and a charging control unit message in the charging process;
the management module is used for carrying out parameter storage, B code time synchronization, charging state monitoring, electric data preprocessing and message preprocessing on the electric data and the message data acquired by the acquisition module; the management module combines the voltage and current data with CAN message data and synchronously stores the voltage and current data; or, the CAN message is independently and separately stored;
The data storage module is used for storing the data in the acquisition module and the management module, supporting an online backup mode of CAN messages and carrying out mutual backup through CAN communication with adjacent charging piles; the data storage module comprises steady-state data storage, message data storage, charging archive storage and data backup functions; the steady state data storage means that sampling data are circularly stored, and a steady state file is generated; the message data storage means that messages are respectively stored into a transient data exchange universal format and an independent datagram storage format of a steady-state standard power system; the storage of the charging archives means that archives are generated and recorded at the charging start time and the charging end time recorded by the management module; the data backup means that a path of CAN interface is adopted to carry out mutual backup on the message and the devices of the adjacent piles;
the station end analysis and monitoring module is used for monitoring the running state of the charging pile and real-time data of the charging process in real time, acquiring the data in the management module and the data storage module, and analyzing the charging process through data analysis and waveform analysis respectively.
2. The monitoring and analyzing system for the charging process of the electric automobile charging pile according to claim 1, wherein the collecting module comprises an electric data collecting module, a switching value collecting module and a message data collecting module;
The electric data acquisition module is used for acquiring electric data of the charging pile in the operation process, and comprises direct-current output voltage, current quantity and battery voltage; meanwhile, the voltage of the battery management system, the control guiding voltage and the temperature data of the charging gun are obtained.
3. The system for monitoring and analyzing the charging process of the electric vehicle charging pile according to claim 2, wherein the charging state monitoring means that whether the electric vehicle is charged is judged by the voltage of the battery management system and the switching value state of the charging gun electronic lock, and if the electric vehicle is charged, a charging start time record is generated, and if the electric vehicle is charged, a charging end time record is generated.
4. The monitoring and analyzing system for the charging process of the electric vehicle charging pile according to claim 2, wherein the electrical data preprocessing means filtering voltage and current sampling data; message preprocessing refers to filtering a message.
5. The system of claim 1, wherein the system is configured to visually monitor whether the battery management system is operating as required by analyzing the message and selecting a desired battery management system demand voltage message and comparing the desired battery management system demand voltage message with a real-time measured battery management system compaction time value.
6. The system for monitoring and analyzing the charging process of the electric vehicle charging pile according to claim 1, wherein the data storage module performs data storage in an SD card mode, supports an online backup mode of CAN messages, and performs mutual backup by CAN communication with an adjacent charging pile.
7. The system for monitoring and analyzing the charging process of the electric vehicle charging pile according to claim 1, wherein the station-side analysis and monitoring module comprises functions of real-time monitoring, steady-state data checking and exporting, message data checking and exporting, charging process analysis, charging waveform analysis, charging archive checking, data backup and parameter reading and writing;
the real-time monitoring means that the change of each item of sampling data is checked, and the running state of the charging pile is mastered;
The steady state data checking and exporting means that stored steady state data and steady state data files are obtained, waveforms of the steady state data are checked, and the running state of the charging pile is analyzed through the waveforms;
The message data checking and exporting means that the message data is checked independently to check the ID and the data content information of the CAN message;
the charging process analysis means that the data of each charging stage is analyzed by analyzing the recorded charging message data and selecting the data of the charging stage according to the charging starting time and the charging ending time;
The charging waveform analysis means that charging waveforms are selected from steady-state data and displayed in a collecting way, and the complete waveform of primary charging is displayed in an interface to display the state of integral charging;
The charge file checking means that checking recorded charge start time and charge end time, and selecting a charge file according to the time;
the data backup is to realize the backup of the adjacent devices of the message through CAN communication and store the sampled data in a station monitoring and analyzing platform;
The parameter reading and writing means that the operation parameters of the device are modified.
8. A method for monitoring and analyzing the charging process of an electric vehicle charging pile, which is characterized in that the system for monitoring and analyzing the charging process of the electric vehicle charging pile according to any one of claims 1 to 7 is adopted; comprising the following steps:
acquiring electrical data, switching value data and CAN message data in the operation process of the charging pile;
The electrical data and the message data acquired by the acquisition module are subjected to parameter storage, B code time synchronization, charging state monitoring, electrical data preprocessing and message preprocessing;
The data in the acquisition module and the management module are stored, an online backup mode of CAN messages is supported, and mutual backup is carried out through CAN communication with adjacent charging piles;
And monitoring the running state of the charging pile and real-time data of the charging process in real time, acquiring the data in the management module and the data storage module, and respectively analyzing the charging process through data analysis and waveform analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375058.0A CN114125585B (en) | 2021-11-17 | 2021-11-17 | Monitoring and analyzing system and method for charging process of electric vehicle charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375058.0A CN114125585B (en) | 2021-11-17 | 2021-11-17 | Monitoring and analyzing system and method for charging process of electric vehicle charging pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114125585A CN114125585A (en) | 2022-03-01 |
| CN114125585B true CN114125585B (en) | 2024-06-25 |
Family
ID=80396751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111375058.0A Active CN114125585B (en) | 2021-11-17 | 2021-11-17 | Monitoring and analyzing system and method for charging process of electric vehicle charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114125585B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115361422B (en) * | 2022-08-29 | 2023-09-01 | 河北大学 | Safety early warning and protection system based on charging process monitoring |
| CN116101111B (en) * | 2022-12-19 | 2024-02-09 | 贵安新区配售电有限公司 | Post-disaster traceability device for charging pile |
| CN119780559A (en) * | 2024-12-18 | 2025-04-08 | 国网智慧车联网技术有限公司 | Method for realizing fault wave recording of charging pile and wave recording device |
| CN119788553A (en) * | 2025-01-02 | 2025-04-08 | 珠海泰坦科技股份有限公司 | Method for grabbing and analyzing messages in charging pile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774062A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | The collection of charging pile and monitoring system and charging pile |
| CN209141932U (en) * | 2018-11-12 | 2019-07-23 | 广东粤恒电力科技有限公司 | Electric automobile charging pile remote monitoring device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6968335B2 (en) * | 2002-11-14 | 2005-11-22 | Sesint, Inc. | Method and system for parallel processing of database queries |
| CN1317658C (en) * | 2002-12-31 | 2007-05-23 | 联想(北京)有限公司 | A Fault-Tolerant Method Using Cluster Nodes to Back Up Each Other |
| CN201699445U (en) * | 2010-05-26 | 2011-01-05 | 山东鲁能智能技术有限公司 | A charger monitoring device for an electric vehicle charging station |
| CN201965459U (en) * | 2010-10-27 | 2011-09-07 | 国家电网公司 | Internet of thing-based system for monitoring charging and exchanging of battery |
| US11520881B2 (en) * | 2019-01-23 | 2022-12-06 | General Electric Company | Framework for cyber-physical system protection of electric vehicle charging stations and power grid |
| CN110803064A (en) * | 2019-12-17 | 2020-02-18 | 协成科技股份有限公司 | Electric automobile fills electric pile BMS data monitoring device |
-
2021
- 2021-11-17 CN CN202111375058.0A patent/CN114125585B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774062A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | The collection of charging pile and monitoring system and charging pile |
| CN209141932U (en) * | 2018-11-12 | 2019-07-23 | 广东粤恒电力科技有限公司 | Electric automobile charging pile remote monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114125585A (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114125585B (en) | Monitoring and analyzing system and method for charging process of electric vehicle charging pile | |
| US9523972B2 (en) | Method for distributed waveform recording in a power distribution system | |
| CN102142720B (en) | Network communication recorder and network communication record analysis system | |
| CN105790441A (en) | Intelligent transformer substation relay protection inspection system | |
| CN101601057A (en) | Substation Monitoring and Diagnostics | |
| CN105319482A (en) | Power distribution network fault diagnosis system and method based on multi-source information fusion | |
| CN109962527B (en) | Power distribution terminal fault recording system | |
| CN109960237A (en) | A kind of car fault diagnosis and data analysis system and vehicle | |
| CN110299758B (en) | Comprehensive online monitoring and diagnosis system for transformer substation | |
| CN115327363B (en) | Method for carrying out live monitoring and state identification on mechanical characteristics of high-voltage circuit breaker | |
| CN105186049A (en) | Intelligent management system and management method for battery pack | |
| CN117192285A (en) | On-line fault monitoring and rapid positioning method for operation equipment and distributed wave recording acquisition, storage and analysis system | |
| CN111551856A (en) | Vehicle storage battery state detection method and device, computer equipment and storage medium | |
| CN115940424A (en) | Centralized monitoring and remote capacity checking method for substation direct-current power supply system on centralized control station side | |
| CN105978140B (en) | Information fusion method of power equipment | |
| CN112073502B (en) | Method and device for remotely acquiring CAN data | |
| EP3709624A1 (en) | Power swap monitoring system | |
| KR101341805B1 (en) | Apparatus for analyzing packets according to IEC 61850 standard | |
| CN112256683B (en) | Information management method and device for substation automation system | |
| CN113030762A (en) | Station storage battery pack checking discharge test method | |
| CN117559635A (en) | A power grid situation awareness fault analysis and judgment method, system, equipment and storage medium | |
| CN116760732A (en) | Power distribution terminal data communication monitoring method and device and related equipment | |
| CN205861788U (en) | A kind of quickly electrical equipment malfunction positioning analysis system | |
| CN115880811A (en) | Method and device for controlling the acquisition of vehicle data | |
| CN114816302A (en) | Battery replacement alarm data processing method, device, equipment and medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |