Grain depot management observing and controlling system

The utility model discloses a grain depot management observing and controlling system, include monitoring center, gateway, a plurality of coordinator, reach a plurality of wireless sensor, wherein, aplurality of wireless sensor respectively with the communication one to one of a plurality of coordinators, one of them coordinator and gateway carry out the communication, the gateway carries out thecommunication with the monitoring center, wireless sensor includes power module, sensor module, micro - processing module and wireless communication module, wherein, sensor module includes temperature sensor, humidity transducer and signal amplification circuit, temperature sensor, humidity transducer's output is connected with signal amplification circuit's input electricity, micro - processingmodule includes AD converter, main control chip and memory, the input of AD converter is connected with signal amplification circuit's output electricity, and the output is connected with the main control chip electricity, the