CN111284357A - Electric automobile charging pile remote monitoring system and operation method - Google Patents
Electric automobile charging pile remote monitoring system and operation method Download PDFInfo
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- 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]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of electric vehicle charging, in particular to a remote monitoring system and a remote monitoring method for an electric vehicle charging pile.
Description
Technical Field
The invention relates to the technical field of electric automobile charging, in particular to a remote monitoring system for an electric automobile charging pile and an operation method.
Background
At present, one method for monitoring the electric automobile is to adopt a dispersed monitoring system, each charging station is provided with a set of monitoring system, and the other method is to adopt remote centralized monitoring. The centralized monitoring mainly adopts an electric vehicle charging pile monitoring terminal to transmit collected data information such as input and output voltage, current, electric quantity, power factor, charging time, current charging mode, charger fault state and the like during charging to a charging pile monitoring system through a wireless transmission device, but the current charging pile has the following defects: (1) the charging pile points of the electric vehicles are scattered, the charging piles of the electric vehicles need to be installed in parking lots, expressways and charging stations, the scattered monitoring information is scattered, the on-site management cost is too high for the operation party, and safety accidents easily occur if management is careless;
(2) by adopting a centralized monitoring method of open wireless communication, expensive monthly rent and annual fee need to be paid, and the cost is increased along with the increase of the number of charging piles; meanwhile, the safety of data and the reliability of the network are limited by mobile operators, which is not beneficial to the safe operation of equipment; secondly, the mobile access bandwidth belongs to a shared bandwidth, and when a large number of devices are accessed in a local area, the access reliability and the average bandwidth of each user are deteriorated, which is not favorable for the dense access of the charging pile group and the data transmission with large data volume.
Disclosure of Invention
The invention aims to provide a remote monitoring system and a remote monitoring method for an electric vehicle charging pile, and aims to solve the problems of high input cost and unstable power supply of a power grid in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a remote monitoring system for an electric vehicle charging pile comprises a charging pile, a station end monitoring system and a centralized remote centralized monitoring system main station, wherein the charging pile consists of a liquid crystal panel and an embedded system, a voltage sensor and a current sensor of the charging pile acquire charging voltage, charging current and equipment states of the charging pile and display the charging voltage, the charging current and the equipment states on the liquid crystal panel,
the station-side monitoring system is connected with the charging pile and a camera matched with the charging pile,
the centralized remote centralized monitoring system main station is composed of a front-end collector, a storage database, an intelligent alarm module, an operation state monitoring module, a high-level application module and a third-party mobile payment interface.
Preferably, the front-end collector is connected with the charging pile and used for collecting information of the charging pile.
Preferably, the storage database is a Redis distributed cache database.
Preferably, the intelligent warning module is used for screening and warning information of the charging pile.
Preferably, the operation state monitoring module is used for monitoring the communication state of a plurality of charging piles.
Preferably, the advanced application modules include a big data analysis application, a mobile payment management application, and a remote control application.
Preferably, the third-party mobile payment interface is used for information interaction between the remote monitoring system main station and the mobile internet.
Preferably, the station side monitoring system and the centralized remote centralized monitoring system master station adopt Web Service communication.
In order to achieve the purpose, the invention also provides the following technical scheme: an operation method of an electric vehicle charging pile remote monitoring system comprises the following steps:
(1) the method comprises the steps that a user operates on a liquid crystal interface, when the user selects charging, a third-party platform mobile payment two-dimensional code is generated, and the user scans the two-dimensional code to pay for the fee;
(2) station end monitored control system inserts all electric automobile in the charging station and fills electric pile and camera, and the camera is used for monitoring charging station all ring edge border environmental information, avoids filling electric pile facility by the artificial destruction. When charging pile equipment or charging is abnormal, a remote control camera checks equipment abnormality;
(3) the method comprises the following steps that a front-end collector uniformly collects charging voltage, charging current, charging time, electric quantity measurement, a current charging mode and equipment running state information of a charging pile sent by each charging station, and sends a remote monitoring system master station control command;
(4) storing the operation information of all electric vehicle charging piles in a high-speed reading and writing area of a database, and meanwhile, persisting the operation data to a magnetic disk;
(5) the intelligent alarm module screens the operation state information of all charging piles in the area, displays important alarms and reminds operating personnel to take corresponding measures;
(6) the operation monitoring module monitors the communication state, the charging state and the current charging mode of each charging station, and operators can inquire historical data and operation trends of the charging piles and simultaneously browse real-time pictures and historical pictures of the charging stations;
(7) according to the step (1), after a user scans the two-dimensional code through the mobile terminal to pay the charging fee, the third-party mobile payment interface receives information of successful payment forwarded by the mobile internet, obtains payment amount information, transmits the information to the mobile payment management application, and controls the charging state of the charging pile through the mobile payment management application;
(8) when the station end monitoring system is used as a web server end, the charging voltage, the charging current, the charging time, the electric quantity metering, the current charging mode and the equipment running state information of the charging pile are provided by a WSDL file and packaged by service and provided to a remote monitoring system main station;
(9) when a station side monitoring system needs to acquire data of a remote monitoring system main station, the remote monitoring system main station serves as a web server side, receives a data request of the station side monitoring system and returns a data result according to the request;
(10) when the remote monitoring system master station interacts information with the mobile internet, the mobile internet is used as a web server side, and the mobile internet third-party mobile payment application packages data service information which can be provided by the mobile internet third-party mobile payment application through a WSDL (wireless sensor digital link) file and provides the data service information to the remote monitoring system master station;
(11) each station end monitoring system and a remote monitoring system main station are accessed to a VPN data network, a private network for remote monitoring of the charging pile is established in a public telecommunication network, and the VPN realizes remote access through data packet encryption and data packet target address conversion.
Compared with the prior art, the invention has the beneficial effects that: (1) compared with local management, the remote monitoring method for the charging piles of the electric automobile has the advantages that the management cost is greatly reduced, the running states of all the charging piles in an area can be acquired in real time in a remote place, and operators can quickly know and respond in time when equipment is abnormal;
(2) the remote monitoring system adopts a Redis database to store massive charging pile operation state data, the data storage of the Redis is based on binary stream, theoretically, any data can be stored, and a rich data structure is provided. On the other hand, the data reading and writing capacity of Redis is 10 ten thousand per second, the persistence speed is 7-8 ten thousand per second, and the method is suitable for storing a large number of charging pile operation monitoring data.
(3) The invention provides a VPN network as a remote monitoring communication network, which has low construction cost and high practicability relative to APN (Access Point name) and a self-built special communication network.
(4) The invention provides a method for realizing communication between each charging station and a remote monitoring system main station by adopting Web Service, and a Web server end determines available services for a client to call through a WSDL (wireless sensor digital link) file, so that the method is more flexible and easier to expand the services compared with protocols such as RS485, IEC 61850 and the like.
Drawings
FIG. 1 is a system architecture diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a remote monitoring system for an electric vehicle charging pile comprises a charging pile, a station end monitoring system and a centralized remote centralized monitoring system main station, wherein the charging pile consists of a liquid crystal panel and an embedded system, a voltage sensor and a current sensor of the charging pile acquire charging voltage, charging current and equipment states of the charging pile and display the charging voltage, the charging current and the equipment states on the liquid crystal panel,
the station end monitoring system is connected into the charging pile and the camera matched with the charging pile, the station end monitoring system is connected into all the electric automobile charging piles and the cameras in the charging station, and the charging voltage, the charging current, the charging time, the electric quantity metering, the current charging mode and the equipment running state of all the charging piles in the station are monitored. The camera is used for monitoring the surrounding environment information of the charging station, avoids the charging pile facilities from being damaged artificially, and finds some equipment risks caused by the external severe environment at the first time. When charging pile equipment or charging abnormality occurs, the remote control camera checks the equipment abnormality.
The centralized remote centralized monitoring system main station is composed of a front-end collector, a storage database, an intelligent alarm module, an operation state monitoring module, a high-level application module and a third-party mobile payment interface.
The front collector is connected with the charging pile and used for collecting information of the charging pile.
The storage database adopts a Redis distributed cache database.
The intelligent warning module is used for screening and warning information of the charging pile.
The operating state monitoring module is used for monitoring communication states of a plurality of charging piles.
The advanced application modules include a big data analytics application, a mobile payment management application, and a remote control application.
The big data analysis application calculates information such as charging peak time period, average charging time, user personal preference, service life of an electric vehicle battery and the like by analyzing historical data stored in each charging pile; the mobile payment management application calculates the charging time after the user mobile pays the charging fee, and sends an opening and closing control command and the charging time to the remote control application; the remote control application issues a charging pile opening and closing control command to the station end monitoring system, the station end monitoring system forwards the command to the specified charging pile, the charging pile realizes control over operation and charging modes through intelligent micro-interruption, and meanwhile, a liquid crystal interface of the charging pile counts down and displays the remaining charging time.
The third-party mobile payment interface is used for information interaction between the remote monitoring system main station and the mobile internet, the remote monitoring system main station sends the data requests by adopting an Http protocol, the request data are packaged by XML, the station end monitoring system returns the data results after receiving the request of the remote monitoring system main station, and the data results are also packaged by the XML.
And the station end monitoring system and the master station of the centralized remote centralized monitoring system adopt Web Service communication.
An operation method of an electric vehicle charging pile remote monitoring system comprises the following steps:
(1) the method comprises the steps that a user operates on a liquid crystal interface, when the user selects charging, a third-party platform mobile payment two-dimensional code is generated, and the user scans the two-dimensional code to pay for the fee;
(2) station end monitored control system inserts all electric automobile in the charging station and fills electric pile and camera, and the camera is used for monitoring charging station all ring edge border environmental information, avoids filling electric pile facility by the artificial destruction. When charging pile equipment or charging is abnormal, a remote control camera checks equipment abnormality;
(3) the method comprises the following steps that a front-end collector uniformly collects charging voltage, charging current, charging time, electric quantity measurement, a current charging mode and equipment running state information of a charging pile sent by each charging station, and sends a remote monitoring system master station control command;
(4) storing the operation information of all electric vehicle charging piles in a high-speed reading and writing area of a database, and meanwhile, persisting the operation data to a magnetic disk;
(5) the intelligent alarm module screens the operation state information of all charging piles in the area, displays important alarms and reminds operating personnel to take corresponding measures;
(6) the operation monitoring module monitors the communication state, the charging state and the current charging mode of each charging station, and operators can inquire historical data and operation trends of the charging piles and simultaneously browse real-time pictures and historical pictures of the charging stations;
(7) according to the step (1), after a user scans the two-dimensional code through the mobile terminal to pay the charging fee, the third-party mobile payment interface receives information of successful payment forwarded by the mobile internet, obtains payment amount information, transmits the information to the mobile payment management application, and controls the charging state of the charging pile through the mobile payment management application;
(8) when the station end monitoring system is used as a web server end, the charging voltage, the charging current, the charging time, the electric quantity metering, the current charging mode and the equipment running state information of the charging pile are provided by a WSDL file and packaged by service and provided to a remote monitoring system main station;
(9) when a station side monitoring system needs to acquire data of a remote monitoring system main station, the remote monitoring system main station serves as a web server side, receives a data request of the station side monitoring system and returns a data result according to the request;
(10) when the remote monitoring system master station interacts information with the mobile internet, the mobile internet is used as a web server side, and the mobile internet third-party mobile payment application packages data service information which can be provided by the mobile internet third-party mobile payment application through a WSDL (wireless sensor digital link) file and provides the data service information to the remote monitoring system master station; the remote monitoring system master station sends out a data request according to the data service which can be provided by the third-party mobile payment application, and the third-party mobile payment application returns a data result according to the request.
(11) Each station end monitoring system and a remote monitoring system main station are accessed to a VPN data network, a private network for remote monitoring of the charging pile is established in a public telecommunication network, and the VPN realizes remote access through data packet encryption and data packet target address conversion.
In addition, the remote monitoring system main station and the mobile internet are isolated by adopting a hardware firewall, and the information safety protection functions of intrusion detection, active defense, virus protection and the like of the charging pile monitoring system are realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an electric automobile fills electric pile remote monitering system which characterized in that: comprises a charging pile, a station end monitoring system and a centralized remote centralized monitoring system main station, wherein the charging pile consists of a liquid crystal panel and an embedded system, a voltage sensor and a current sensor of the charging pile acquire charging voltage, charging current and the equipment state of the charging pile and display the charging voltage, the charging current and the equipment state on the liquid crystal panel,
the station-side monitoring system is connected with the charging pile and a camera matched with the charging pile,
the centralized remote centralized monitoring system main station is composed of a front-end collector, a storage database, an intelligent alarm module, an operation state monitoring module, a high-level application module and a third-party mobile payment interface.
2. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: the front collector is connected with the charging pile and used for collecting information of the charging pile.
3. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: the storage database adopts a Redis distributed cache database.
4. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: the intelligent warning module is used for screening and warning information of the charging pile.
5. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: the operating state monitoring module is used for monitoring communication states of a plurality of charging piles.
6. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: the advanced application modules include a big data analytics application, a mobile payment management application, and a remote control application.
7. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: and the third-party mobile payment interface is used for information interaction between the remote monitoring system master station and the mobile internet.
8. The system and the method for remotely monitoring the charging pile of the electric automobile according to claim 1, wherein the system comprises the following components: and the station end monitoring system and the master station of the centralized remote centralized monitoring system adopt Web Service communication.
9. An operation method of an electric vehicle charging pile remote monitoring system is characterized in that: the method comprises the following steps:
(1) the method comprises the steps that a user operates on a liquid crystal interface, when the user selects charging, a third-party platform mobile payment two-dimensional code is generated, and the user scans the two-dimensional code to pay for the fee;
(2) station end monitored control system inserts all electric automobile in the charging station and fills electric pile and camera, and the camera is used for monitoring charging station all ring edge border environmental information, avoids filling electric pile facility by the artificial destruction. When charging pile equipment or charging is abnormal, a remote control camera checks equipment abnormality;
(3) the method comprises the following steps that a front-end collector uniformly collects charging voltage, charging current, charging time, electric quantity measurement, a current charging mode and equipment running state information of a charging pile sent by each charging station, and sends a remote monitoring system master station control command;
(4) storing the operation information of all electric vehicle charging piles in a high-speed reading and writing area of a database, and meanwhile, persisting the operation data to a magnetic disk;
(5) the intelligent alarm module screens the operation state information of all charging piles in the area, displays important alarms and reminds operating personnel to take corresponding measures;
(6) the operation monitoring module monitors the communication state, the charging state and the current charging mode of each charging station, and operators can inquire historical data and operation trends of the charging piles and simultaneously browse real-time pictures and historical pictures of the charging stations;
(7) according to the step (1), after a user scans the two-dimensional code through the mobile terminal to pay the charging fee, the third-party mobile payment interface receives information of successful payment forwarded by the mobile internet, obtains payment amount information, transmits the information to the mobile payment management application, and controls the charging state of the charging pile through the mobile payment management application;
(8) when the station end monitoring system is used as a web server end, the charging voltage, the charging current, the charging time, the electric quantity metering, the current charging mode and the equipment running state information of the charging pile are provided by a WSDL file and packaged by service and provided to a remote monitoring system main station;
(9) when a station side monitoring system needs to acquire data of a remote monitoring system main station, the remote monitoring system main station serves as a web server side, receives a data request of the station side monitoring system and returns a data result according to the request;
(10) when the remote monitoring system master station interacts information with the mobile internet, the mobile internet is used as a web server side, and the mobile internet third-party mobile payment application packages data service information which can be provided by the mobile internet third-party mobile payment application through a WSDL (wireless sensor digital link) file and provides the data service information to the remote monitoring system master station;
(11) each station end monitoring system and a remote monitoring system main station are accessed to a VPN data network, a private network for remote monitoring of the charging pile is established in a public telecommunication network, and the VPN realizes remote access through data packet encryption and data packet target address conversion.
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| CN112018885A (en) * | 2020-07-22 | 2020-12-01 | 温州电力设计有限公司 | Old community electric automobile charging facility monitoring system and method |
| CN112078396A (en) * | 2020-09-03 | 2020-12-15 | 卓领物联科技(杭州)有限公司 | Charging service operation and maintenance management platform |
| CN112721710A (en) * | 2021-01-06 | 2021-04-30 | 湖北德普电气股份有限公司 | Integrated system of intelligent battery replacement station for electric automobile |
| CN113325361A (en) * | 2021-06-24 | 2021-08-31 | 重庆市计量质量检测研究院 | Fill long-range online calibrating device of electric pile based on 5G communication |
| CN114241673A (en) * | 2021-11-18 | 2022-03-25 | 上海浦东发展银行股份有限公司 | Vehicle charging payment method, apparatus, device, storage medium, and program product |
| CN114255545A (en) * | 2021-11-29 | 2022-03-29 | 江苏点点续航互联网科技有限公司 | Digital currency charging system based on internet of things technology |
| CN114360191A (en) * | 2021-12-31 | 2022-04-15 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Fill electric pile safety monitoring module |
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| CN113325361A (en) * | 2021-06-24 | 2021-08-31 | 重庆市计量质量检测研究院 | Fill long-range online calibrating device of electric pile based on 5G communication |
| CN114241673A (en) * | 2021-11-18 | 2022-03-25 | 上海浦东发展银行股份有限公司 | Vehicle charging payment method, apparatus, device, storage medium, and program product |
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