The unmanned helicopter comprises a rack, an engine, a rotor wing and a speed reducer, the engine, the rotor wing and the speed reducer are installed on the rack, the cooling system comprises a radiator and an intercooler, the radiator comprises a radiator core, the radiator core is located above the engine, and the intercooler is located in the radiator core. Washing airflow under the rotor wings is used for blowing through the engine to dissipate heat of the engine; the intercooler is located behind the engine and connected with a flow guide cover towards the engine, and airflow is sucked in through the electronic fan and enters the intercooler through the flow guide cover to achieve heat dissipation. The speed reducer is a belt transmission mechanism and comprises a driving wheel, a driven wheel and a belt, the driving wheel is located in front of the engine, a driving wheel axle matched with the driving wheel is rigidly connected with the engine, a four-claw aviation aluminum part is fixed to the front end of the engine, and the far end of the driving wheel axle is concentrically fixed to the output end of the engine through the four-claw aviation aluminum part. The cooling system of the unmanned helicopter is simple in structure, small in size and good in cooling effect.
本发明公开了一种无人直升机散热系统,所述无人直升机包括机架以及安装于机架上的发动机、旋翼、减速器,所述散热系统包括散热器与中冷器,所述散热器包括散热器芯,所述散热器芯位于发动机上方,利用旋翼下洗气流吹过发动机对发动机进行散热;所述中冷器位于发动机后方,且朝向发动机连接有导流罩,通过电子风扇吸入气流经导流罩进入中冷器中实现散热;所述减速器为皮带传动机构,包括主动轮、从动轮、皮带,所述主动轮位于发动机前方,与主动轮配合的主动轮轮轴与发动机刚性连接,所述发动机前端固定有四爪航铝零件,所述主动轮轴远端通过四爪航铝零件与发动机输出端同心固定。本发明无人直升机散热系统结构简单、体积较小,且散热效果好。
Cooling system of unmanned helicopter
一种无人直升机散热系统
2025-03-18
Patent
Electronic Resource
Chinese
IPC: | B64U |
Unmanned helicopter propeller hub and unmanned helicopter
European Patent Office | 2020
|