Abstract:The power distribution room in a power system may be affected by factors such as oxygen, SF6, and temperature and humidity, which may lead to power system failures such as failure to operate normally. Real-time monitoring of gas, temperature and humidity in the distribution room, as well as cable flooding state is very necessary. This paper presents a technology scheme of sensor intelligent complex, which integrates various kinds of sensors. This sensor can monitor oxygen, SF6, ozone gas content in the distribution room environment in real time. It can also monitor the flooding status of cable channels, pipes, and pipe corridors in real time. The monitoring data is transmitted to the upper computer through 2.4GHz wireless communication, and part of the data is directly displayed on the spot. The micro-intelligent complex has the characteristics of low power consumption, fast response, small size and intelligence, and can be applied to a variety of different distribution room scenarios. The intelligent complex has a high precision for SF6, temperature, and water immersion level detection.