Title:
DISTANCE SURVEYING DRONE THAT IS EASY TO LEVEL OFF ACCORDING TO MOVEMENT OF SURVEYING MEANS
Document Type and Number:
WIPO Patent Application WO/2023/038196
Kind Code:
A1
Abstract:
The present invention relates to a distance surveying drone that is easy to level off according to the movement of a survey means, comprising: a drone body capable of level hovering flight through a built-in sensor module; a horizontal guide installed across the drone body; a survey positioning means including a support pole that is vertically mounted so as to be movable on the horizontal guide; a surveying means, mounted elevatably on the support pole, that communicates with an external device located at a reference point, surveys a target distance from the reference point to a survey point on the basis of reflection information of a laser irradiated at the survey point, and processes the survey information; a thrust control means that is installed rotatably and telescopically on the drone body and has a propeller mounted at an end thereof; and a level-off controller configured to perform the level hovering flight by controlling a rotation range of the thrust control means, the length of the thrust control means, and the revolutions per minute of an electric motor operating the propeller on the basis of a change in the center of gravity according to a change in the position of the surveying means.
Inventors:
KIM RI HWAN (KR)
Application Number:
PCT/KR2021/016704
Publication Date:
March 16, 2023
Filing Date:
November 16, 2021
Export Citation:
Assignee:
WITH DRONE CO LTD (KR)
International Classes:
B64C39/02; B64C1/30; B64D47/00
Domestic Patent References:
| WO2016089882A1 | 2016-06-09 |
Foreign References:
| KR102200679B1 | 2021-01-11 | |||
| US20140163775A1 | 2014-06-12 | |||
| KR20160104761A | 2016-09-06 | |||
| KR101881121B1 | 2018-07-23 |
Attorney, Agent or Firm:
LEE, Kang Hyun (KR)
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