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Bus PV Charging Station Monitoring System

December 10, 2019

Latest company case about Bus PV Charging Station Monitoring System



Since 2016, China has gradually entered the rapid growing stage of new energy vehicle industry, and the application area of new energy vehicles has expanded from the original 88 cities to the whole country. In 2017, Shenzhen Bus Group opened 364 bus routes and increased 5,698 pure electric buses, becoming the largest electric bus enterprise in the world. In order to meet the rapid growing demand for new energy vehicle charging, new technologies such as DC quick charging and integration of PV storage and charging have been adopted.




There are 34 charging piles in the PV station of Shenzhen North, the total power is beyond 6000KW. The entire PV charging system needs to be monitored for power collection and field equipment status, such as real-time collection of current, voltage, power and other operational data of the charging pile.


PV power generation equipment and charging pile use RS485 serial interface for communication. In order to facilitate remote management, data upload and download, the serial port equipment must be connected to the internet, converts a serial to TCP/IP communication mode, data collected from internet to cloud data center, through which to realize the unified management of charging pile equipment on a large scale. Real-time understanding of terminal operation status reduces operating costs and improves service quality and economic benefits of the operator. 


3onedata Solution


3onedata serial port server NP301 is used in this solution to enable serial devices have immediate networking capability.Serial devices like charging pile, box transformers and other equipment are connected to NP301 by serial bus, and RS-232/485/422 serial data can be converted into Ethernet to realize the transparent transmission of data between serial data and TCP/IP network. NP301 is connected with industrial switch, and with the 4G router, transmission distance of serial port equipment will be greatly improved. Through the internet network, terminal devices like charging pile have established TCP link with cloud data center server and receiving instructions. This solution realizes the collection of all kinds of data and sends them to the power station cloud data center, it realizes the real-time understanding of terminal device operation status, improves service quality and reduces operating costs.


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Key Products


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NP3011-port RS-232/485/422 to Ethernet (10/100M) Serial Device Servers


  • Industrial design, -40-75℃ working temperature

  • 3-in-1 RS-232/RS-485/RS-422 serial interface

  • Support TCP, UDP, ARP, ICMP, HTTP and DHCP protocol


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IES102424-port 10/100M Unmanaged Ethernet Switch


  • Support IEEE802.3, IEEE802.3u, IEEE802.3x
  • Plug-and-play , auto MDI/MDI-X connection
  • Operating temperature range from -40°C to 75°C


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IRT5300 24-industrial 4G Router


  • Support 5 100M copper ports (one of them supports PoE power receiving), 2 RS-232/485 serial ports, 2 WIFI antenna interfaces, 2 LTE antenna interfaces, 2 SIM card slots, etc.
  • Support all 4G networks cellular wireless network types include: LTE/WCDMA(HSPA+)/EDGE/ TD SCDMA /GSM/CDMA/GPRS
  • Support WLAN wireless hotspot function
  • PoE port supports 48VDC power supply input


Why 3onedata


  • Dedicated & focused in Industrial Communication Industry since 2001
  • Provide a full spectrum of industrial grade equipment and customized solution
  • Products with industrial design, high-strength EMC and wide operation temperature, fully meet customers’ requirements
  • Offer professional after-sales service and technical support, industrial products have 5 years warranty
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