LoRa Wireless Smart Meter Reading System
Data transmission
The data communication between the table and the data concentrator is transmitted through LoRa wireless data transmission, and between the concentrator and the master station data center is transmitted through Ethernet or 4G network. Various statistical data are released to the external network by the main station.
* The first level network is the LoRa wireless communication between the wireless meters and the concentrator, with the frequency band of 470-510MHz, transmitting power < 50mw. According to the actual situation, three schemes such as repeater routing, water meter routing, or mobile meter reading by smart phone can be selected respectively to meet the field communication needs.
* The second level network is the data communication between the concentrator and the master station. The modularized data concentrator adopts the unified uplink communication protocol and flexibly uses Ethernet or 4G to communicate with the data acquisition server of the master station according to the actual situation of users.
If it is the mobile meter reading by the smart phone, the data is imported to the server through 4G or data line.
System features
- Two-way real-time data interaction, remote meter reading remote control
- Low power design technology to ensure that the meter battery is used for ≥6 years
- Internet of Things technology, check usage/pay water bills through the cloud.
- In concentrator meter reading solution, repeater multi-level routing is optional, reading radius ≥5km; Or water meter routing is optional, routing between water meters, meter reading radius 1000 meters (open area)
Handheld solution, mobile meter reading, meter reading radius 1000 meters (open area)
System description
Hangzhou Jingda wireless remote meter reading system is a high-tech product integrating smart meters, computer technology, wireless networking technology and network communication technology. It has the advantages of stable operation, low cost, strong carrying capacity, convenient maintenance, etc., with real-time/regular remote meter information collection, storage, query, statistics, remote control and other functions, mainly meets the needs of remote meter reading that cannot be implemented in new or old residential areas where unable to implement wiring , and effectively solves the problems of large wiring workload in the early stage of wired remote meter reading system and large manual meter reading workload and difficult charging for water resources management departments.
This system uses LORa technology for wireless data transmission. The first-level meter reading distance between the concentrator and the water meter is about 1km, and the farthest meter reading distance can be about 5km through the maximum 5-level relay route. The handheld device can set the necessary parameters of the water meter.
Remote meter reading software adopts C/S architecture. The software has two management positions: toll collector and administrator, which is convenient for the file management of users in the area, real-time meter reading and fee collection. Through the management software, the meter reading time, real-time meter reading, remote control, etc can be set, also viewing the built-in battery voltage of the wireless remote meter in case for replacement. The energy consumption statistics module automatically generates hourly consumption, daily consumption, daily loss rate and comprehensive consumption charts, which is convenient to grasp and control the real-time energy consumption of all users in the jurisdiction, and provides scientific decision-making basis for the management department.