简要分析了直升机防除冰配电盒的电路设计思路与器件选择;提出了在相同条件下的两种电路设计方式;说明了实现同样的功能,因器件选择的不同,具体的电路设计也不同,电路设计与器件选择、驱动能力、控制信号类型均有关系。 This paper briefly analyzes the circuit design ideas and device selection of helicopter anti-icing power distribution box. It proposes two circuit design methods under the same conditions. It shows that the same function can be achieved. Because of different device selection and specific circuit design, Circuit design and device selection, drive capability, control signal types are related.