The invention discloses a coaxial dual-motor power system assembly for an unmanned aerial vehicle, which comprises a rotorcraft arm and outer rotor motors, wherein the rotorcraft arm is fixedly installed on a vehicle body of the unmanned aerial vehicle; and two outer rotor motors are arranged. The coaxial dual-motor power system assembly also comprises an electronic speed controller box shell and an electronic speed controller assembly, wherein the electronic speed controller box shell is fixedly installed at the end, which is away from the unmanned aerial vehicle body, of the rotorcraft arm, the outer rotor motors are installed at the upper end and the lower end of the electronic speed controller box shell correspondingly, and the two outer rotor motors are coaxial; the electronic speed controller assembly is installed in the electronic speed controller box shell and electrically connected with the two outer rotor motors, all the components are integrated together in the mode, the occupied space is small, and the connection strength is high; the heat dissipation performance of the circuit board is enhanced, so that the fault rate of the circuit board is greatly reduced, and the service life of the circuit board is prolonged; and the protection performance on each outgoing line is strong, and a three-phase line and a direct-current bus of the motor are directly welded on the circuit board, so that the reliability of line connection is improved.
本发明公开了一种无人机用的共轴双电机动力系统组件,包括旋翼机臂和外转子电机,旋翼机臂固定安装在无人机机身上;外转子电机设置有两个,还包括电调盒壳体和电调组件;电调盒壳体固定安装在旋翼机臂远离无人机机身的一端,电调盒壳体的上下两端均安装有外转子电机,两个外转子电机共轴;电调盒壳体内安装有电调组件,电调组件分别与两个外转子电机电连接,通过上述方式使得所有部件整合到一起,占用空间少,连接强度高;增强了电路板的散热性能,从而极大地降低了电路板的故障率,延长其使用寿命;对各引出线的保护性能强,电机三相线及直流母线直接焊接在电路板上,增加线路连接的可靠性。
Coaxial dual-motor power system assembly for unmanned aerial vehicle
一种无人机用的共轴双电机动力系统组件
2021-08-20
Patent
Electronic Resource
Chinese
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B64C AEROPLANES , Flugzeuge / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
Unmanned aerial vehicle single-motor coaxial power system and unmanned aerial vehicle
European Patent Office | 2023
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