Intelligent gas meter combining LORA and NB-IOT technologies

Fecha de publicación: 25/06/2021
Fuente: Wipo "IOT"
The utility model relates to the technical field of wireless communication of intelligent gas meters, and particularly discloses an intelligent gas meter combining LORA and NB-IOT technologies, which comprises a main control chip, a valve control circuit, a key circuit, a display screen, a power supply circuit, an LORA wireless module, an NB-IOT module, an NB-IOT SIM (Subscriber Identity Module) card and a photoelectric direct reading module, the valve control circuit, the key circuit, the display screen, the power supply circuit, the LORA wireless module, the NB-IOT module and the photoelectric direct reading module are all connected with the main control chip, and the NB-IOT module is connected with the NB-IOT SIM card. According to the intelligent gas meter combining the LORA technology and the NB-IOT technology, the low-power-consumption design is adopted, the spread spectrum wireless communication technology and the NB-IOT technology are fused, it is guaranteed that a communication link is stable, the communication distance is long, and the intelligent gas meter is stable and reliable, information interaction between a user and the gas meter is met through rich peripheral interfaces, and the requirement of the intelligent gas meter is met.