Data acquisition and sending terminal with multiple gas detection capabilities

The invention relates to a data acquisition and sending terminal with multiple gas detection capabilities. The data acquisition and sending terminal is technically characterized by comprising a powersupply module, a sensor module, an NB-IoT module and a pumping module, wherein the output end of the power supply module is connected with and supplies power to the pumping module, a three-in-one sensor module and a methane sensor module, the pumping module is connected with the sensor module, and the sensor module comprises the three-in-one sensor module and the methane sensor module; the three-in-one sensor module and the methane sensor module are connected with the NB-IoT module, and the NB-IoT module is connected with background equipment in an NB-IoT wireless mode. The hydrogen sulfide sensor, the oxygen sensor and the carbon monoxide sensor are integrated, the methane sensor and the temperature and humidity sensor are additionally arranged, the structure is compact, the size is small, the gas concentrations