In recent years, the development of the drone industry has been extremely rapid. A number of well-known enterprises such as Dajiang and Corbett have emerged in the market, and they have attracted continuous attention from capital and various industry giants. However, the problem of short battery life (the average consumer drone is only about 20 minutes) is still limiting the application and development of drones. How to solve the battery life problem? What role can IC products play in this respect?
17 minutes of battery life constraints
With the development of science and technology, in recent years, drones have expanded from the military field to the civilian sector, and have gradually been popular in the market. According to research firm BIIntelligence, civilian drones will account for 12% of the total drone market in the next 10 years, valued at $98 billion. At present, the size of China's drone market is about 3 billion yuan. With the opening of China's low-altitude airspace and the improvement of drone control policies, the growth rate of our national drones is expected to exceed 30% in the next 10 years.
However, while the drone market is rapidly starting up, constraints such as limited endurance are also becoming apparent. Liu Rui, a partner of Xiaofang Technology, who is developing with the development of "unmanned aircraft", told reporters that battery life has always been a bottleneck restricting the development of drone technology. At present, the drones on the market mainly use lithium batteries as the main power, and the endurance is generally between 20 minutes and 30 minutes. This is a major shortcoming in the development of drones, which greatly limits the overall development potential of the drone industry.
According to the reporter's investigation, most of the multi-rotor UAVs on the market, including the DJI UAV, use lithium batteries as energy. Because lithium battery procurement is convenient, the process is mature, but due to individual differences, the battery can not achieve 100% balanced charge and discharge, and the charging time of high-power battery is relatively long, which is more troublesome to use. The most troublesome thing is its battery life. The 300-gram lithium battery can theoretically only fly a 500-gram drone for 17 minutes. Even considering the technical differences and the weight of the body, the life time of most products. All within 45 minutes. The charging time is more than one hour.
Therefore, how to improve the life time of drones to meet the needs of consumer and industrial markets has become a challenge that all drone manufacturers must face.
Power management technology has a huge role
How to solve the main problem of limited drone battery life? In this regard, Tao Hongzhong, general manager of Jiangsu Hongyun, said that there are two ways to solve the power problem of drones without breakthroughs in lithium materials: some manufacturers have begun to try to replace lithium batteries with new battery materials; The power management chip realizes effective power management, maximizes the endurance and realizes fast charging, and is also one of the solutions to the problem.
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