Natural Gas Station Information Management Platform

8.1 LNG Station SCADA System

Summary

Using SIEMENS PLC and industrial configuration software to collect, store, record, display, remote upload and monitor the data of LNG/L-CNG station equipment.  Main equipment: field  instrument,  PLC  control cabinet, frequency conversion  power distribution cabinet, monitoring computer and alarm system.
High automation: one-touch operation, the operators can skillfully operate this system through simple training, which can prevent the wrong operation causing damage to personnel and equipment.
High  safety:  interlocking  control  of  ESD  alarm,  combustible  gas  alarm,  flame  alarm,  field  equipment  overtemperature  and overpressure alarm etc.
Real-time monitoring the electric current of running cryogenic immersed pump, the temperature of pump pool and the cross- pressure of pump, which will bring multi-protection to the pump and extend the service life of pump.
Automatically switch constant frequency  mode  and frequency conversion  mode  of cryogenic  immersed  pump to  meet  the pressure demand of different technical modes.
Control the automatic start-stop of cryogenic high-pressure plunger pump according to the pressure of gas storing device, which assures to supply stable pressure for CNG dispensers.

8.2 CNG station SCADA system

Summary

It  usesindustrial  grade  universal  configuration  software  and  international  advanced  idea.  As  a  real-time  human-computer interface utility program generator, it has flexible configuration report function, support remote inquiry monitoring and voice alarm, provide common curve and multiple three-dimensional map.

8.3、Intelligent network management system for CNG gas station

Summary

CNG  gas  station  intelligent  network  management  system  uses  modern  computer  networking  technology  and  integrates intelligent  IC  card,  electron,  network  and  database  technology, which  provides  CNG  station with  a  easy  management,  stable performance, high efficiency & quickly response, resources sharinginformation management platform. Centralized management to each CNG gas station, and makes one-card, bank networking, third party payment such as wechat & alipay come true.
The CNG gas station intelligent network management system can be divided into 3 types: station level, region level and group level.
Station level management system: installed in the computers of CNG gas station, collecting data from CNG dispenser and storing them in the database, to inquire and statistic data for users.
Region level management system: makes the data exchange and data inquiry of multiple station level management systems in one region come true.Head office data center.
Group level centre management system: collecting data from multiple region level management system and provide data and decision-making basis for group management and control.

8.3.1 站级管理系统 Station Level Management System

Summary

Equipped with  data  communication,  display,  report  forms  inquiry  and  message  settings,  the  site  management  computer (including monitoring software and matched database) is installed in business hall of each gas station.

Main function

Monitoring the data of CNG dispenser
Company vehicles refueling bank water inquiring
CNG dispenser nozzle refueling bank water inquiring
Staff refueling bank water inquiring
Tally refueling bank water inquiring
Day and month statistics of teams and groups, routes
Interface parameter settings
Teams and groups refueling bank water inquiring
Vehicles refueling bank water inquiring
Vehicle model refueling bank water inquiring
Blacklist and whitelist issuing
Refueling bank water inquiring

Authority management
Card NO. refueling bank water inquiring
Cash refueling bank water inquiring
System parameter settings
Supporting multiple languages management, one-button switch of multi-l anguage
Database backup/recover, log management
Supporting large data volume concurrence
Supporting one nozzle one agreement, multiple nozzles one agreement
Teams and groups information display: on duty, off duty
Data collection of multiple nozzles different agreement

8.3.2  Center network management system

8.3.2.1  Center Web IC card Management System

Summary
Equipped with the functions of IC card basic information settings (pattern of consumption, vehicle type, unit price type), basic
rules settings, IC card information input (card NO., license plate NO., cylinder date etc.), IC card relevant information inquiry statistics etc.

Main Functions

Build profile for vehicles
Company information registration
IC card recharge
IChange of IC card unit price grade
IC card summary information inquiry
Consumption patterns settings
Driver information maintenance
Cancel report and report the loss of IC card
IC card issued information inquiry
Information inquiry of report for loss

Vehicle type settings
Vehicle information registration
Unlock “grey” IC card
IC card recharge information inquiry
IC card recharge information summary
Unit price grade settings

IC card issuing
Date change of IC card cylinder
IC card account checking information inquiry
Authority management

8.3.2.2  Center Data Inquiry System

Summary

This system is a B/S structure Internet access platform, which provides different inquiry function for different users without installing system.

Main functions
Shift change statistics of each station or summary statistics of all stations, display the details of each shift in each station and support printing.

Report form processing: summarizing the data from each station and provides various report forms.

Right and power distribution: system decentralized management, different permission for different users, and only the person who has permissions can operate and use relevant function module.

Local area network and entire network access is available, which is convenient for different functional department to inquiry management data (e.g. production Dept. financial Dept. management Dept. etc.)

Function of consumption details and balance inquiry.

Function of shift inquiry and shift accumulative statistics.

Function of data audit and report forms printing.

8.4 Self-service recharge system

Summary

It supports Wechat, Alipay and cash payment, 24 hours unattended operation to lessen workloads, save labor cost and improve service quality. Elegant appearance and improve the image of gas station.

Main function

24 hours unattended operation for self-service recharge, credit for load and inquiry service. Identify cash automatically. Support third party payment such as wechat, Alipay. ATM style user interface, touch screen operation with voice prompt. Value-added services: traffic fine, gas fee, electric charge etc. Advertisement putting, information push.