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CN-121721750-B - Meteorological detection unmanned aerial vehicle

CN121721750BCN 121721750 BCN121721750 BCN 121721750BCN-121721750-B

Abstract

The invention discloses a meteorological detection unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle detection. Comprises a machine body, an airborne weather station and a cable winding and unwinding cabin. The cable winding and unwinding cabin is used for winding and unwinding the detection cable, a plurality of section detection nodes are arranged on the cable at intervals along the axial direction, and the tail ends of the cable are connected with balancing weights to jointly form a three-dimensional detection array. The invention suppresses the swing of the cable through the active guiding and swing reducing mechanism, eliminates the pollutant on the surface of the cable by using the rotary cleaning mechanism, and can cooperatively distribute the weight beads to generate vibration so as to enhance the cleaning effect. The method has the advantages that synchronous, high-precision and stable detection of the vertical section of the atmosphere can be realized, the technical problems of inaccurate data, low efficiency and poor environmental adaptability in the traditional hanging type detection are effectively overcome, and the reliability of equipment and the accuracy of detection data are improved.

Inventors

  • SUN JIEFU
  • YAN JUN
  • LI YALING
  • CHEN YUNQIANG
  • LIU YAN
  • DONG SHIBIN
  • WEI WEI
  • ZHU YI
  • XU CHENG

Assignees

  • 成都市气象局
  • 四川省气象服务中心(四川省专业气象台四川省气象影视中心)

Dates

Publication Date
20260505
Application Date
20260214

Claims (10)

  1. 1. The utility model provides a meteorological detection unmanned aerial vehicle, includes unmanned aerial vehicle body, its characterized in that: the unmanned aerial vehicle body comprises a machine body (1), a machine arm (102) and paddles (103); The top of the machine body (1) is provided with an airborne weather station (2); A cable winding and unwinding cabin (3) is arranged at the bottom of the machine body (1), and the cable winding and unwinding cabin (3) is used for winding and unwinding a detection cable (4) so as to carry a detection node (402) for three-dimensional meteorological detection; The cable winding and unwinding compartment (3) comprises: a case (301); The winding and unwinding assembly (7) is arranged in the box body (301); One end of the detection cable (4) is connected with the winding and unwinding assembly (7), and the other end of the detection cable penetrates out of the bottom of the box body (301); A plurality of profile sensing nodes (402) disposed at intervals along the axial direction of the sensing cable (4) and electrically connected to the sensing cable (4); A counterweight (401) connected to the end of the detection cable (4); The bottom of the box body (301) is provided with a guiding and swing reducing mechanism, and the guiding and swing reducing mechanism comprises: the mounting cover (5) is arranged at the bottom of the box body (301); at least three ejection assemblies (6) are arranged around the inner side of the mounting cover (5), each ejection assembly (6) comprises a telescopic driving piece and an ejection head (602) arranged at the telescopic end part of the telescopic driving piece, and a rotating bead (603) contacted with the detection cable (4) is arranged on the inner side of the ejection head (602); The ejector head (602) has an elastic structure; an annular bottom plate (501) rotatably connected to the bottom of the mounting cover (5), and a driving member of the push assembly (6) is fixed on the annular bottom plate (501); -a rotation assembly (8) for driving rotation of the annular base plate (501) about the axis of the detection cable (4); a plurality of counterweight beads are arranged on the detection cable (4) at intervals; When the detection cable (4) is recovered, the rotating assembly (8) drives the annular bottom plate (501) to rotate, the ejector head (602) is kept in contact with the detection cable (4) to clean the surface of the detection cable (4), and the counterweight beads can compress the elastic structure and generate vibration when passing through the ejector head (602).
  2. 2. The weather detection unmanned aerial vehicle according to claim 1, wherein a guide pipe (302) is arranged at the bottom of the box body (301), the detection cable (4) passes through the guide pipe (302), and the mounting cover (5) is arranged corresponding to the guide pipe (302).
  3. 3. The weather detection unmanned aerial vehicle according to claim 1, wherein the rotating assembly (8) comprises a rotating motor (801) arranged on the annular base plate (501), a gear (802) is connected to the output end of the rotating motor (801), and a toothed ring (803) meshed with the gear (802) is fixedly arranged on the mounting cover (5).
  4. 4. A weather detection unmanned aerial vehicle according to claim 1, wherein the ejector assemblies (6) are distributed in an annular array around the inside of the mounting cap (5); a pressure sensor is arranged between the ejector head (602) and the driving piece; the diameter of an inscribed circle surrounded by the three pushing heads (602) is larger than the maximum outer diameter of the detection node (402); The maximum cross-sectional diameter of the weighted bead is equal to the diameter of the detection node (402).
  5. 5. A weather detection drone according to claim 1, wherein the wind-up and wind-down assembly (7) comprises a wind-up motor (701) with an encoder.
  6. 6. The weather detection unmanned aerial vehicle according to claim 1, wherein the detection cable (4) is a composite cable, and comprises a power supply wire core, a data communication wire core, a tensile reinforcement layer and a wear-resistant sheath.
  7. 7. A weather detection unmanned aerial vehicle according to claim 1, wherein the weight (401) is provided with a detection node (402).
  8. 8. A weather detection unmanned aerial vehicle according to claim 2, wherein the inner wall of the guide tube (302) is provided with a low friction bushing.
  9. 9. A weather detection unmanned aerial vehicle according to claim 1, wherein the interior of the box (301) is provided with a guide for restricting the swing of the detection cable (4).
  10. 10. The weather detection drone of claim 1, wherein the detection node (402) is a modular sealed cylindrical structure, with weather sensors integrated therein.

Description

Meteorological detection unmanned aerial vehicle Technical Field The invention relates to the technical field of unmanned aerial vehicle detection, in particular to a meteorological detection unmanned aerial vehicle. Background In recent years, the rapid development of unmanned aerial vehicle technology provides a new platform for atmospheric detection. By integrating the meteorological sensor on the unmanned aerial vehicle, flexible and low-cost maneuvering observation can be realized. The traditional weather detection height is limited, the radiosonde is high in cost and can not repeatedly observe at fixed points, the unmanned aerial vehicle provides a new platform for maneuvering detection, but the existing scheme has the remarkable defects that airborne detection is easy to be interfered by rotor air flow and serious in data distortion, while hanging type detection can avoid the turbulence of a machine body, a cable and a terminal sensor are easy to swing greatly in wind to form a pendulum effect, the measuring precision of vector data such as wind speed is seriously reduced, the flying safety is more threatened, in addition, the unmanned aerial vehicle can only hang a single sensor, cannot synchronously acquire multi-dimensional profile data in the vertical direction, and the detection efficiency is low. In addition, after working in environments such as sand dust, rain fog and the like, pollutants are attached to the surfaces of the cables and the sensors, so that the abrasion of retraction and release is increased, the measurement precision is reduced, the maintenance is difficult, the equipment environment adaptability is poor, and the active stable control of the cable posture, the synchronous detection of the high-efficiency profile and the self-adaptive cleaning maintenance capability are generally lacked in the current scheme. Disclosure of Invention The invention aims to solve the problems that cables are easy to swing, vertical section data are difficult to synchronously acquire and accuracy is reduced and maintenance is difficult due to the fact that the cables are easy to pollute in a severe environment when an unmanned aerial vehicle is used for hanging type meteorological detection in the prior art. In order to achieve the above purpose, the present invention adopts the following technical scheme: The weather detection unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein the unmanned aerial vehicle body comprises a machine body, a horn and paddles; The top of the machine body is provided with an airborne weather station; the bottom of organism is equipped with cable and receives the cabin, cable receives the cabin and is used for receiving and releases the detection cable to carry on the detection node and carry out three-dimensional meteorological detection. In some embodiments, the cable stow compartment includes: A case; The winding and unwinding assembly is arranged in the box body; One end of the detection cable is connected with the winding and unwinding assembly, and the other end of the detection cable penetrates out of the bottom of the box body; A plurality of profile sensing nodes disposed at intervals along an axial direction of the sensing cable and electrically connected to the sensing cable; and the balancing weight is connected with the tail end of the detection cable. In some embodiments, a guide tube is provided at the bottom of the case, through which the detection cable passes. In some embodiments, the bottom of the box is provided with a guiding and swing reducing mechanism, and the guiding and swing reducing mechanism comprises: The mounting cover is arranged at the bottom of the box body and corresponds to the guide pipe; At least three ejector components encircle set up in the installation cover is inboard, and every ejector component includes telescopic driving piece and sets up in the ejector head of its flexible tip, the inboard of ejector head be equipped with the rotation pearl of detecting cable contact. In some embodiments, the ejector head has a resilient structure. In some embodiments, the guided sway reduction mechanism further comprises: The annular bottom plate is rotationally connected to the bottom of the mounting cover, and the driving piece of the ejection assembly is fixed on the annular bottom plate; and the rotating assembly is used for driving the annular bottom plate to rotate around the axis of the detection cable. In some embodiments, the rotating assembly comprises a rotating motor arranged on the annular bottom plate, a pinion is connected to the output end of the rotating motor, and a toothed ring meshed with the pinion is fixedly arranged on the mounting cover. In some embodiments, the rotating assembly drives the annular base plate to rotate while the detection cable is recovered, and the ejector head is kept in contact with the detection cable to clean the surface of the detection cable. In some embodiments, a plura