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CN-224225324-U - Low-altitude unmanned aerial vehicle grassland biomass measuring device

CN224225324UCN 224225324 UCN224225324 UCN 224225324UCN-224225324-U

Abstract

The utility model discloses a grassland biomass measurement device of a low-altitude unmanned aerial vehicle, which relates to the technical field of grassland biomass measurement and comprises an unmanned aerial vehicle, wherein a transmission tower is arranged on the upper surface of the unmanned aerial vehicle, a connecting disc is arranged at the center of the lower surface of the unmanned aerial vehicle, an electric control hinge is arranged at the center of the lower surface of the connecting disc, a camera controller is fixedly arranged at the center of the electric control hinge, a plurality of carbon rods are arranged on the peripheral surface of the camera controller at equal intervals, connecting lugs are arranged at the end parts of the carbon rods, the connecting lugs are fixedly connected with the side wall of a motor, the working end of the motor is fixedly connected with the side wall of the camera, a measuring unit is arranged at the center of the lower surface of the camera controller, the lower surface of the measuring unit is fixedly connected with the upper end of a supporting unit, the lower end of the supporting unit is fixedly connected with the upper surface of a mowing unit, and the side wall of the measuring unit is communicated with the side wall of the mowing unit through a guide pipe. The grassland biomass measuring device of the low-altitude unmanned aerial vehicle can ensure measuring precision and reduce measuring cost.

Inventors

  • WANG WEI

Assignees

  • 中国民用航空飞行学院

Dates

Publication Date
20260512
Application Date
20250519

Claims (9)

  1. 1. The grassland biomass measuring device of the low-altitude unmanned aerial vehicle comprises an unmanned aerial vehicle (1), wherein a transmission tower (2) is arranged on the upper surface of the unmanned aerial vehicle (1), and the grassland biomass measuring device is characterized in that a connecting disc (3) is arranged in the center of the lower surface of the unmanned aerial vehicle (1), an electric control hinge (4) is arranged in the center of the lower surface of the connecting disc (3), and a camera controller (9) is fixedly arranged in the center of the electric control hinge (4); A plurality of carbon rods (5) are arranged on the peripheral surface of the camera controller (9) at equal intervals, connecting lugs are arranged at the end parts of the carbon rods (5), the connecting lugs are fixedly connected with the side wall of the motor (7), and the working end of the motor (7) is fixedly connected with the side wall of the camera (6); The center of the lower surface of the camera controller (9) is provided with a measuring unit (13), the lower surface of the measuring unit (13) is fixedly connected with the upper end of the abutting unit (12), and the lower end of the abutting unit (12) is fixedly connected with the upper surface of the mowing unit; The side wall of the measuring unit (13) is communicated with the side wall of the mowing unit through a conduit (10); The lower surface of unmanned aerial vehicle (1) is installed support frame (8).
  2. 2. The low-altitude unmanned aerial vehicle grassplot biomass measuring device according to claim 1, wherein the measuring unit (13) comprises a measuring housing (1303), a baffle plate (1302) is mounted on a side wall of the measuring housing (1303), a mounting position of the baffle plate (1302) corresponds to a size of an upper end opening of the duct (10), and the size of the baffle plate (1302) is not smaller than an inner diameter of the duct (10); The lower surface of the measuring shell (1303) is also provided with a dust discharge port (1301); an electric control discharging shutter (18) is arranged on the side wall of the measuring shell (1303) opposite to the dust discharging opening (1301).
  3. 3. The grassland biomass measuring device of low-altitude unmanned aerial vehicle according to claim 2, wherein an electrostatic adsorption plate (14) is installed on the inner side wall of the measuring housing (1303), and the electrostatic adsorption plate (14) is disposed at an included angle with the inner side wall of the measuring housing (1303); The electrostatic adsorption plate (14) is positioned above the dust exhaust port (1301).
  4. 4. The grassland biomass measuring device of low-altitude unmanned aerial vehicle according to claim 2, wherein a fan assembly (16) is installed at the center of the top inner side wall of the measuring housing (1303), a heating wire (15) is also installed at the top inner side wall of the measuring housing (1303), and the heating wire (15) is located at the periphery of the fan assembly (16).
  5. 5. The low-altitude unmanned aerial vehicle grassplot biomass measurement device according to claim 4, wherein the blower assembly (16) comprises a blower body (1602), the blower body (1602) penetrates through a top side wall of the measurement housing (1303), and a non-working end of the blower body (1602) is fixedly connected with the camera controller (9) through a resistance strain sensor (17); an air inlet (1601) and an air outlet (1603) are arranged at the working end of the fan body (1602), and an opening of the air inlet (1601) faces the baffle plate (1302); the opening of the air outlet (1603) faces the electric control discharging shutter (18).
  6. 6. The low-altitude unmanned aerial vehicle grassland biomass measurement device according to claim 1, wherein the mowing unit comprises a shell (11), a motor (20) is fixedly arranged on the inner wall of the top of the shell (11), the inner side wall of the middle part of the shell (11) is fixedly connected with the outer side wall of a square guide frame (22), and the inner side wall of the square guide frame (22) is abutted with the outer side wall of a cam (25); the upper surface of the cam (25) is connected with the working end of the motor (20) through a universal joint (21), a connecting shaft (23) is arranged in the center of the lower surface of the cam (25), and a blade (24) is arranged at the free end of the connecting shaft (23).
  7. 7. The low-altitude unmanned aerial vehicle grassland biomass measuring device according to claim 6, wherein the lower end connecting port of the guide pipe (10) is located in the middle of the square guide frame (22) and the blade (24).
  8. 8. The grassland biomass measuring device of low-altitude unmanned aerial vehicle according to claim 6, wherein the lower surface of the square guide frame (22) is fixedly provided with a sealing abutting plate.
  9. 9. The low-altitude unmanned aerial vehicle grassplot biomass measuring device according to claim 6, wherein the lower end opening of the housing (11) is provided with a flexible horn mouth (19).

Description

Low-altitude unmanned aerial vehicle grassland biomass measuring device Technical Field The utility model relates to the technical field of grassland biomass measurement, in particular to a grassland biomass measurement device of a low-altitude unmanned aerial vehicle. Background Traditional grassland biomass measurement adopts a sample method. On the scale of the sample, the fresh weight of the biomass on the grassland is recorded by using a traditional harvesting and weighing method, and then green vegetation and withered objects are classified and weighed by adopting a visual discrimination method. And after the drying box is baked for 48 hours at the constant temperature of 65 ℃, the dry weight of the total substances, the dry weight of the hay and the weight of the withered substances in the sample are recorded respectively, and the proportion of each component in the sample is calculated. The grassland biomass measurement is to detect and count grassland vegetation in a designated period, so that the state of the land and the growth condition of the vegetation can be quickly known, the grassland biomass measurement has an important effect on the treatment of the environment, the grassland biomass measurement is realized by adopting two modes of ground measurement and remote sensing measurement, the ground measurement method adopts a manual running field sampling mode, the time and the labor are wasted, only spot sample data can be acquired, the representative has limitation, the remote sensing measurement mode generally adopts an unmanned plane to carry out photographing analysis on the grassland, but the remote sensing measurement mode lacks a comparison example, and the measurement result is often lower in precision. Disclosure of utility model The utility model aims to provide a low-altitude unmanned aerial vehicle grassland biomass measuring device which can not only carry out remote sensing measurement, but also cut plants in a sample party by adopting a ground actual measurement method, and the device is mutually complemented with remote sensing measurement data so as to ensure measurement accuracy. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model discloses a grassland biomass measuring device of a low-altitude unmanned aerial vehicle, which comprises the unmanned aerial vehicle, wherein a transmission tower is arranged on the upper surface of the unmanned aerial vehicle, a connecting disc is arranged at the center of the lower surface of the unmanned aerial vehicle, an electric control hinge is arranged at the center of the lower surface of the connecting disc, and a camera controller is fixedly arranged at the center of the electric control hinge; A plurality of carbon rods are arranged on the peripheral surface of the camera controller at equal intervals, connecting lugs are arranged at the end parts of the carbon rods, the connecting lugs are fixedly connected with the side wall of the motor, and the working end of the motor is fixedly connected with the side wall of the camera; The center of the lower surface of the camera controller is provided with a measuring unit, the lower surface of the measuring unit is fixedly connected with the upper end of the abutting unit, and the lower end of the abutting unit is fixedly connected with the upper surface of the mowing unit; The side wall of the measuring unit is communicated with the side wall of the mowing unit through a conduit; the lower surface mounting of unmanned aerial vehicle has the support frame. Preferably, the measuring unit comprises a measuring shell, a baffle is arranged on the side wall of the measuring shell, the installation position of the baffle corresponds to the size of the upper end opening of the conduit, and the size of the baffle is not smaller than the inner diameter of the conduit; the lower surface of the measuring shell is also provided with a dust discharge port; and an electric control discharging shutter is arranged on the side wall of the measuring shell opposite to the dust discharging port. Preferably, an electrostatic adsorption plate is mounted on the inner side wall of the measurement shell, and the electrostatic adsorption plate and the inner side wall of the measurement shell are arranged at an included angle; the electrostatic adsorption plate is positioned above the dust exhaust port. Preferably, a fan assembly is arranged in the center of the inner side wall of the top of the measuring shell, a heating wire is further arranged on the inner side wall of the top of the measuring shell, and the heating wire is located at the periphery of the fan assembly. Preferably, the fan assembly comprises a fan body, the fan body penetrates through the top side wall of the measuring shell, and the non-working end of the fan body is fixedly connected with the camera controller through a resistance strain sensor; An air inlet and an air outlet are arra