Ultrasonic altimeter used for small unmanned aerial vehicle

A small unmanned aerial vehicle, ultrasonic technology, applied in the direction of re-radiation of sound waves, radio wave measurement system, utilization of re-radiation, etc., can solve the problem that it is difficult to meet the demanding requirements of small unmanned aerial vehicles in volume, weight, power consumption and cost , to achieve the effect of reducing the difficulty of counterweight, high precision and strong real-time performance

Inactive Publication Date: 2015-06-03
NO 8357 RES INST OF THE THIRD ACADEMY OF CHINA AEROSPACE SCI & IND
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, in the world, the autonomous take-off and landing technology of small UAVs is still a technical difficulty. The main reason is that when UAVs take off and land autonomously, the UAV autopilot needs to accurately control the height of the aircraft from the ground , but the ranging devices used on general aircraft, such as radio altimeters, laser altimeters, etc., are difficult to meet the demanding requirements of small UAVs in terms of size, weight, power consumption and cost

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  • Ultrasonic altimeter used for small unmanned aerial vehicle
  • Ultrasonic altimeter used for small unmanned aerial vehicle
  • Ultrasonic altimeter used for small unmanned aerial vehicle

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Embodiment Construction

[0022] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 1 As shown, the present invention provides a kind of ultrasonic altimeter that is used for small unmanned aerial vehicles, comprises: ultrasonic probe 6 and signal acquisition box, wherein, described ultrasonic probe 6 ultrasonic probes collect and send in one of ultrasonic beam, use Under the control of the signal acquisition box, the electric pulse is converted into an ultrasonic beam, and the ultrasonic beam reflected by the obstacle is converted into an electric pulse and sent to the signal acquisition box; the signal acquisition box includes a tooling shell 5 and a circuit board, Two electrical connectors are installed on the tooling housing 5, the first electrical connector (i.e. the first s...

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Abstract

The invention relates to an ultrasonic altimeter used for a small unmanned aerial vehicle and belongs to the field of near earth ranging technologies of medium-low speed small unmanned aerial vehicles. An ultrasonic ranging technology is introduced into near earth ranging of the unmanned aerial vehicle, and the designed ultrasonic altimeter is small in volume and is low in power consumption, and is suitable for being installed on the small unmanned aerial vehicle with lighter load. The ultrasonic altimeter comprises an ultrasonic probe and a signal acquisition box, wherein an output signal is time pulse used for enabling the ultrasonic wave to move back and forth between an airplane and the ground. The ultrasonic altimeter has the advantages of low cost, small size, light weight, low power consumption, high precision and high practicability.

Description

technical field [0001] The invention relates to the technical field of short-to-earth distance measurement for medium and low-speed small unmanned aerial vehicles, in particular to an ultrasonic altimeter for small unmanned aerial vehicles. Background technique [0002] At present, in the world, the autonomous take-off and landing technology of small UAVs is still a technical difficulty. The main reason is that when UAVs take off and land autonomously, the UAV autopilot needs to accurately control the height of the aircraft from the ground , but the ranging devices used on general aircraft, such as radio altimeters, laser altimeters, etc., are difficult to meet the demanding requirements of small UAVs in terms of size, weight, power consumption and cost. However, compared with launch and recovery methods such as ejection, parachuting, and net collision, the advantages of UAV autonomous take-off and landing are self-evident. For users, it does not require any additional suppo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/08
CPCG01S15/08
Inventor 杨云星
Owner NO 8357 RES INST OF THE THIRD ACADEMY OF CHINA AEROSPACE SCI & IND
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