In the process of using the wireless remote water meter, it is affected by factors such as the on-site environment, weather and local mobile network. For different problems, different solutions are needed.
For the situation that the wireless remote water meter has not been communicating, there are mainly the following reasons:
1. The wireless remote water meter was damaged by man-made or completely shielded with metal, which caused the wireless signal not to be sent out;
2. The battery in the water meter is under voltage, and the wireless remote transmission module cannot work normally;
3. The failure of the wireless collection equipment, such as the power failure of the concentrator, the arrears of the built-in flow card, the equipment antenna is dropped or damaged
4. The routing path of the wireless remote water meter is disordered, resulting in the failure of meter reading;
According to the above situation, it can be handled in the following ways:
1. Check the water meter on site to check whether the water meter has been damaged or shielded with a metal cover;
2. Through the background meter reading early warning system, statistically query the battery low-pressure water meter and replace it with a new battery;
3. Check the equipment on site, check whether the power supply is normal, check whether the flow card is in arrears, and check whether the downstream LORA antenna of the equipment is damaged by others;
4. Remotely read the routing path of the wireless remote water meter, and reset the meter reading path through the background software.
Aiming at the situation when the wireless remote water meter does not communicate during communication, there are mainly the following reasons:
1. Check whether the battery in the meter has low voltage;
2. Whether the external environment is bad (such as thunderstorm weather, external strong electromagnetic interference, etc.);
3. The local mobile signal is unstable; for the above situation, it can be processed in the following way:
1) The user is required to replace the battery in advance to improve the success rate of meter reading;
2) Set up a supplementary metering mechanism in the system, repeatedly copy the failed meters, and improve the overall success rate of meter reading;
3) Use a high-gain GPRS antenna, or extend the GPRS antenna to lead to places where outdoor mobile network signals are strong.
4) You can also add routing nodes, use professional repeaters, or use wireless remote water meters as repeaters to improve the overall success rate of meter reading.
Conclusion: The wireless remote transmission water meter is greatly affected by the external environment, such as the steel-concrete structure of the building, the power frequency signal of 470Mhz ~ 510Mhz, the weather environment and other factors, so the consistency of the wireless remote transmission scheme is poor. The performance of the end antenna improves the anti-interference of the software system, and adopts a reasonable wireless frequency hopping scheme to improve the wireless performance and reliability of the entire meter.