Separated Internet of Things data acquisition device

The utility model discloses a separated Internet of Things data acquisition device, which relates to the technical field of wireless communication and comprises a wireless communication module, a plurality of acquisition system interfaces and a power interface, and a signal pin of each acquisition system interface is respectively in signal connection with the wireless communication module; a plurality of data acquisition devices are further arranged, each data acquisition device comprises a voltage stabilizer, an RS485 concentrator, a communication system interface, m voltage reduction modules and n sensor interfaces, and in the same data acquisition device, the input end of each voltage reduction module and a power pin of the RS485 concentrator are both connected with the output end of the voltage stabilizer; the input end of the voltage stabilizer is connected with a power supply pin of the communication system interface, a signal pin of the communication system interface and a signal pin of each sensor int