Based on shortening battery power time after using standby power supply for underground equipment in a short period, as well as unrealized remote monitoring of standby power supply status and display of the battery power, a new idea of centralized and long time power supply was put forward through research of explosion proof technology and characteristics of lithium ion batteries with new design of combination of hardware and software. A new type of flameproof standby power supply in coal mine was excogitated with combination of lithium battery distribution technology, charging and discharging management technology, equalization technology and flameproof technology, communication bus technology etc. The research showed that maximum load power of this equipment could reach up to 600W with features of small volume, high capacity density and good security, which could provide reliable delayed power supply protection for downhole equipment.The product had been widely used in coal mine field. The research results showed that the product operated reliably, remote management was convenient, and maintenance workload was reduced.
李 勇. 煤矿井下大功率锂电池备用电源的研制与应用[J]. 煤炭与化工, 2017, 40(5): 127-129,132.
Li Yong. Development and application of standby power supply for high power lithium battery in coal mine. CCI, 2017, 40(5): 127-129,132.