| 摘要 |
PROBLEM TO BE SOLVED: To provide a helicopter which has a battery as a main power source and has a separate power source under abnormal conditions.SOLUTION: A multicopter 100 including a plurality of propellers 1 is constructed to be electric driven. The multicopter 100 comprises: an electric motor 2; at least one main battery 3; a generator 4; an engine 5; and a battery state detector 71. The electric motor 2 drives the propellers 1. The main battery 3 is a first power source supplying the electric motor 2 with electric power. The generator 4 is a second power source supplying the electric motor 2 with electric power. The engine 5 drives the generator 4. The battery state detector 71 detects abnormality of the main battery 3. The generator 4 directly supplies, when the battery state detector 71 detects abnormality of the main battery 3, the electric motor 2 with electric power converted from power of the engine 5.SELECTED DRAWING: Figure 3 |
