The array-variable unmanned aerial vehicle hanging microphone array comprises a hanging device, a device shell, an expansion device, a power supply management module, a control module, an attitude sensing device, a data acquisition module and a wireless communication device, the hanging device is connected between the unmanned aerial vehicle and the device shell, the expansion device, the power management module, the control module, the attitude sensing device and the data acquisition module are integrated in the device shell, the expansion device comprises an expansion motor, a transmission device and an array connecting rod, and a plurality of microphone sensors are arranged on the array connecting rod. The top end is movably connected with the top end of the device shell; according to the invention, the array is hoisted through the hoisting device, so that the array can approach a sound source and is not influenced by a radiation sound signal of the unmanned aerial vehicle; the shape of the array can be changed through the development device, the shape of the array can be changed according to the position of the unmanned aerial vehicle relative to an expected sound source, the optimal array pickup performance is obtained, and the pickup quality of the unmanned aerial vehicle is greatly improved.
本发明公开了一种阵形可变的无人机吊放麦克风阵列,包括吊放装置、装置外壳、扩展装置、电源管理模块、控制模块、姿态感知装置、数据采集模块和无线通信装置;吊放装置连接于无人机与装置外壳之间,扩展装置、电源管理模块、控制模块、姿态感知装置和数据采集模块集成于装置外壳内,扩展装置包括扩展电机、传动装置和阵列连杆,阵列连杆上设置有多个麦克风传感器,且顶端与装置外壳的顶端活动连接;本发明通过吊放装置实现阵列的吊放,使阵列能够接近声源,且不受无人机的辐射声信号影响;通过开展装置实现阵列形状的可变,能够根据无人机相对期望声源的位置,改变阵列的形状,取得最佳的阵列拾音性能,大幅度提升无人机的拾音质量。
Unmanned aerial vehicle hanging microphone array with variable array shape
一种阵形可变的无人机吊放麦克风阵列
2023-08-25
Patent
Electronic Resource
Chinese
IPC: | B64U / F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE |
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