Monitoring And Control Of The Environment Of Underground Equipment Room

With the rapid development of urbanization,the ground space is becoming more and more scarce,which cause the development of underground space.The environment of underground equipment is moist,easy to accumulate water and harmful gas,which affects the normal operation of equipment and the physical and mental health of worker.the traditional control method At present the environment of underground equipment mainly rely on the traditional control method,it is need to arrange the personnel on duty 24 hours a day in the workroom keeping watch over the equipment,resulting in waste of human resources and not controlled in time,it is difficult to meet the management requirements of the modern underground equipment.In view of the environmental monitoring of underground equipment,By analyzing the environment of underground equipment room and the performance of wireless sensor network,and comparing the advantages and disadvantages of several popular processors and wireless sensors,we design a control system based on STM32F103 microprocessor and ?C/OS-?operating system and use as the CC2530 as the core of the Zigbee wireless communication.By placing multiple wireless sensor network nodes in each monitoring point of the underground equipment room,and then sending the collected information to the STM32-based controller through the network and the Modbus-RTU communication protocol.Then,we compare the monitoring data with the set parameters of the controller.If the threshold exceeds the set parameters and maintains a period of time,the controller will send an alarm message,and open the corresponding control equipment,so as to achieve the monitoring of underground equipment room environment.Wireless sensor network nodes use low-power hardware circuit and low-power network protocol,which can guarantee the node to work steadily for a long time.To meet the practical needs of the design,the data fusion algorithm is used for the monitoring data of sensors p,which improve the accuracy of the system.After debugging,the system runs stably to meet the design requirements.