CN117928926A

CN117928926A - Unmanned aerial vehicle broadcast operation performance testing device and testing method

Info

Publication number: CN117928926A
Application number: CN202410338221.3A
Authority: CN
Inventors: 于庆旭; 曹光乔; 龚艳; 陈永生; 陈明江; 陈晓; 王振伟
Original assignee: Chinese Academy Of Agricultural Sciences Western Agriculture Research Center; Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Current assignee: Chinese Academy Of Agricultural Sciences Western Agriculture Research Center; Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Priority date: 2024-03-25
Filing date: 2024-03-25
Publication date: 2024-04-26
Anticipated expiration: 2044-03-25
Also published as: CN117928926B

Abstract

The invention discloses a device and a method for testing broadcasting operation performance of an unmanned aerial vehicle, which belong to the technical field of intelligent agricultural machinery and comprise the following steps: the intelligent testing system comprises a supporting platform, an intelligent testing platform and an intelligent testing system; according to the invention, a plurality of devices are placed in a test area, the unmanned aerial vehicle flying and broadcasting granular materials are collected through the cloth unfolded by the devices, if the broadcasting materials are large particles, the quantity of the collected granular materials can be detected through an infrared counter, then the unmanned aerial vehicle flying and broadcasting operation performance test is realized through a data calculation and analysis method, if the seeds are small particles, the high-precision electronic scale is used for weighing the collected granular materials when counting is not right, then the unmanned aerial vehicle flying and broadcasting operation performance test is realized through a data calculation and analysis method, and meanwhile, the unmanned aerial vehicle flying and broadcasting operation performance pre-judging can be realized through observing the height of the seeds in a collecting pipe through naked eyes.

Description

Unmanned aerial vehicle broadcast operation performance testing device and testing method

Technical Field

The invention belongs to the technical field of intelligent agricultural machinery, and particularly relates to an unmanned aerial vehicle broadcast operation performance testing device and testing method.

Background

Traditional agricultural manual broadcasting has gradually been replaced by unmanned aerial vehicle flight broadcasting due to the problems of labor shortage, low efficiency, high cost and the like, and unmanned aerial vehicle flight broadcasting needs to test the operation performance before being put into operation.

At present, the unmanned aerial vehicle flight broadcasting operation performance test is generally realized by manually collecting particles by adopting a collecting box and manually counting or weighing the collected particles, and the method has the following defects: the collection box occupies a large area, is inconvenient to carry, and has the defects of serious particle bouncing, difficult collection, more human interference factors in the test process, long test time and poor test result.

In view of this, a device and a method for testing the broadcasting performance of an unmanned aerial vehicle are designed to solve the above problems.

Disclosure of Invention

To solve the problems set forth in the background art. The invention provides a device and a method for testing the broadcasting operation performance of an unmanned aerial vehicle, which have the characteristics of wide application range, mechanized whole testing process and accurate testing result.

The invention further aims to provide a test method of the unmanned aerial vehicle broadcast operation performance test device.

In order to achieve the above purpose, the present invention provides the following technical solutions: an unmanned aerial vehicle broadcast operation capability test device includes: supporting platform, intelligent test platform and intelligent test system, wherein:

the support platform is quickly assembled and arranged at each acquisition point position in the test site and used for supporting the intelligent test platform;

the intelligent test platform comprises a portable collection mechanism, a guide pipe, an infrared counter, a plastic test tube, a support test tube base, a high-precision electronic scale, a mobile data acquisition end and a storage battery, wherein the support platform is respectively provided with the high-precision electronic scale, the mobile data acquisition end and the storage battery are respectively positioned on two vertical sides of the high-precision electronic scale, the top end of the high-precision electronic scale is provided with the support test tube base, the plastic test tube is arranged in the top end of the support test tube base, the support platform is provided with the guide pipe, the top end of the guide pipe is provided with the portable collection mechanism, the infrared counter is fixedly connected on the guide pipe, the bottom end of the guide pipe extends into the plastic test tube, and the portable collection mechanism, the infrared counter, the plastic test tube and the high-precision electronic scale are sequentially used for collecting, counting and collecting particle materials broadcasted by a weighing unmanned aerial vehicle;

The intelligent test system comprises a test data receiving terminal and an intelligent terminal, wherein the test data receiving terminal is arranged outside a test site and is in wireless connection with a plurality of mobile data acquisition ends, the test data receiving terminal is connected with the intelligent terminal through wires, test software is arranged in the intelligent terminal and comprises a test condition parameter setting module, a broadcast operation breadth test module, a broadcast operation uniformity test module and a test result display module, the test condition parameter setting module is used for setting test condition parameters according to performance to be tested, the broadcast operation breadth test module is used for testing the broadcast operation breadth of the unmanned aerial vehicle, the broadcast operation uniformity test module is used for testing the broadcast operation uniformity of the unmanned aerial vehicle, and the test result display module is used for displaying the test results.

Preferably, the support platform includes: the device comprises a supporting bottom plate, a first bubble level, an adjusting screw rod, supporting legs, a second bubble level, a plugging rod and placing plates, wherein the high-precision electronic scale is arranged in the middle of the supporting bottom plate, a mobile data acquisition end and a storage battery are fixedly connected to the supporting bottom plate and located on two vertical sides of the high-precision electronic scale, the first bubble level is fixedly embedded in one side end of the supporting bottom plate, the second bubble level is fixedly embedded in the front end of the supporting bottom plate, the first bubble level is vertical to the second bubble level, the horizontal state of the supporting surface of the supporting bottom plate is displayed in real time, first threaded holes are respectively formed in four corners of the supporting bottom plate, the adjusting screw rod is connected with the adjusting screw rod in a threaded mode, the supporting legs are fixedly connected to the bottom end of the adjusting screw rod, the supporting legs are rotatably adjusted through handles at the upper ends of the adjusting screw rod, first placing holes are formed in the rear end of the supporting bottom plate, the first placing holes are formed in the inserting rod, the bottom end of the first placing holes is fixedly inserted into the ground, the plugging rod is detachably connected to the plugging rod from top to bottom, two placing plates are detachably connected to the front end of the placing plates, and the front end of the placing plates are provided with two through holes.

Preferably, the locking through groove has been seted up to the board rear end of placing, the third screw hole has been seted up respectively to board left and right sides of placing, third screw hole threaded connection has locking screw, locking screw is close to each other the end and is connected with the arc latch segment through the bearing respectively, and the grafting pole passes two arc latch segments, controls the clearance of two symmetrical arc latch segments through two locking screw, realizes quick locking and dismantles the grafting pole.

Preferably, the portable collection mechanism from the top down in proper order the pipe binding off on pipe top inner wall and the loose collar of activity cup joint on the pipe, pipe binding off outer wall is provided with umbrella form flexible collection cloth, the rigid coupling has elastic tether on the umbrella form flexible collection cloth, umbrella form flexible collection cloth outer wall is provided with solid fixed ring, gu fixed ring through with the fixed umbrella form flexible collection cloth bottom mounting that realizes between the pipe binding off, gu fixed ring outer wall along circumference equidistant articulated have a plurality of first support frames fixed with umbrella form flexible collection cloth, set up fourth screw hole on the loose collar, fourth screw hole internal thread connection has the fastening screw of butt pipe, the loose collar top along circumference equidistant articulated have a plurality of and the articulated second support frames of corresponding position first support frame.

Preferably, the test condition parameter setting module includes an experimental environment parameter setting module, an operation flight parameter setting module, a broadcast material type setting module, a first data emptying module, a first parameter determining module and a first returning module, wherein the experimental environment parameter setting module sets experimental environment parameters, the operation flight parameter setting module sets unmanned aerial vehicle flight parameters, the broadcast material type setting module sets broadcast material types, the first data emptying module is used for data emptying under the condition of error of parameter setting, the first parameter determining module is used for determining under the condition of correct parameter setting, and the first returning module is used for returning to the previous step.

Preferably, the broadcast operation breadth test module includes first parameter setting module, first data display module and first instruction selection module that up to down set gradually, first parameter setting module includes collection point quantity N ₁ setting module, collection face side length A ₁ display module, collection point arrangement width L ₁ setting module and homogeneity index delta ₁ setting module, collection point quantity N ₁ setting module, collection point arrangement width L ₁ setting module and homogeneity index delta ₁ setting module are for setting up through input frame input parameter, collection face side length A ₁ display module is for automatic display data through the output frame, and the calculation formula of output value sets up: The output value is umbrella-shaped flexible collection cloth spreading size, the first data display module comprises a plurality of first virtual collection point operation modules and a breadth test curve graph display module which are arranged in a row, the first virtual collection point operation modules are command buttons which can slide in a window, meanwhile, the first virtual collection point operation modules can pop up a first collection point pairing and sorting module which can be paired with mobile data collection ends of all collection point positions of a test site one by one, the successfully paired first virtual collection point operation modules can display equipment numbers of paired mobile data collection ends, when the test is started, the first virtual collection point operation modules display measurement data of the mobile data collection ends corresponding to all collection point positions in real time, the first collection point pairing and sorting module is provided with a sorting row number setting module, a sorting column number setting module and an equipment number setting module, the sequencing line number setting module sets the sequencing line number of the equipment, the equipment number setting module sets the number of the equipment, the breadth test curve display module comprises a particle distribution actual curve A, a particle distribution fitting curve B, a breadth boundary line C and an effective breadth numerical value D, the first instruction selection module comprises a first counting instruction module, a first weighing instruction module, a 1/2 method instruction module, a horizontal translation method instruction module, a mirror image translation method instruction module, a first data zero clearing module, a first starting test module, a first ending test module, a first test result storage module and a second return module, the first counting instruction module is used for counting, the first weighing instruction module is used for weighing, the method comprises the steps that a 1/2 method instruction module analyzes by a 1/2 method, a horizontal translation method instruction module analyzes by a horizontal translation method, a mirror image translation method instruction module analyzes by a mirror image translation method, a first data clearing module clears data, a first start test module starts a test, a first end test module ends the test, a first test result storage module stores a test result, and a second return module returns to the previous step, wherein:

the 1/2 method analysis is suitable for a broadcasting operation test application scene with the head direction of the unmanned aerial vehicle line feed changed or the head direction unchanged, and specifically comprises the following steps:

The first step: the intelligent terminal analyzes and processes the test data, and a particle distribution actual curve A is drawn according to the data of each acquisition point;

And a second step of: a sixth order polynomial curve is fitted by adopting a least square method, the sixth order polynomial curve is a particle distribution fitting curve B, and the sixth order polynomial is as follows: y is weighing or counting data, and x is the distance between the test platform and the flight route;

And a third step of: setting calculation The maximum value y _max of the sixth-order polynomial y in the interval is set as a judging condition of a breadth boundary line by taking half of the maximum value y _max;

fourth step: setting a polynomial y= =according to sixth order Respectively solving a boundary value x _L、x_R of the left width and a boundary value of the right width, and displaying an effective width value D by a width test curve graph display module;

The horizontal translation method analysis is suitable for a broadcasting operation test application scene with unchanged unmanned aerial vehicle line feed head orientation, and specifically comprises the following steps:

The first step: the intelligent terminal analyzes and processes the test data, draws a particle distribution actual curve A according to the data of each set acquisition point, and takes a middle flight route as a central axis;

And a second step of: setting the particle distribution actual curve A horizontally shifted to the left to generate a left central axis, wherein the left central axis is an unmanned aerial vehicle left-hand line-feed flying route for simulating the direction of a line-feed head, the unmanned aerial vehicle is simulated to generate a newly generated particle distribution actual curve A for left-hand line-feed operation, and similarly, horizontally shifting the particle distribution actual curve A to the right to generate a right central axis, and the distance between the left horizontal translation and the right horizontal translation at the same time is the breadth value of broadcast operation;

And a third step of: setting test values of all the collecting points in the left central axis and the right central axis to accumulate, simulating accumulated values of particles in all the collecting points after being increased in the process of the line changing and broadcasting operation of the unmanned aerial vehicle, generating a particle distribution superposition curve E, and calculating variation coefficients of the accumulated values of all the collecting points in the left central axis and the right central axis, namely simulating and calculating particle distribution uniformity variation coefficients of the line changing and broadcasting operation of the unmanned aerial vehicle;

Fourth step: setting the practical particle distribution curve, wherein the translation distance of each time of the practical particle distribution curve to the left and the right is equal to the value of the input collecting surface side length A ₁, and repeatedly calculating the particle distribution uniformity variation coefficients of the collecting points in the left central axis and the right central axis until the n+1st particle distribution uniformity variation coefficient is larger than the input uniformity index delta ₁ for the first time;

Fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to twice the effective breadth value, and setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be half of the horizontal distance between the left central axis and the right central axis calculated for the nth time, namely the effective breadth value D displayed by the breadth test curve graph display module;

The mirror image translation method analysis is suitable for broadcasting operation test application scenes of unmanned aerial vehicle line feed to change head orientation, and specifically comprises the following steps:

The first step: the intelligent terminal analyzes and processes the test data, draws a particle distribution actual curve A according to the data of each acquisition point, takes a middle flight route as a central axis, mirrors the particle distribution actual curve A by the central axis, and generates a particle distribution mirror image curve F;

And a second step of: setting the particle distribution mirror image curve F horizontally shifted to the left to generate a left central axis, wherein the left central axis is an unmanned aerial vehicle left-hand line-feed flying route for simulating the change of the direction of a line-feed head, and simulating a particle distribution actual curve A newly generated by the unmanned aerial vehicle left-hand line-feed operation;

And a third step of: setting test values of all the collecting points in the left central axis and the right central axis to accumulate, simulating accumulated values after particles in all the collecting points are increased in the process of the unmanned aerial vehicle back and forth line feed broadcast operation, generating a particle distribution superposition mirror image curve G, and calculating particle distribution uniformity variation coefficients in the left central axis and the right central axis, namely simulating and calculating the particle distribution uniformity variation coefficients of the unmanned aerial vehicle back and forth line feed broadcast operation;

Fourth step: setting the practical particle distribution curve A, wherein the horizontal movement distance of the practical particle distribution curve A to the left and the right is equal to the input value of the side length A ₁ of the collecting surface, and repeatedly calculating the uniformity variation coefficients of the particle distribution in the left central axis and the right central axis until the (n+1) th particle distribution uniformity variation coefficient is larger than the input uniformity index delta ₁ for the first time;

Fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to two times of effective breadth values, and taking half of the horizontal distance between the left central axis and the right central axis calculated for the nth time to be the effective breadth value D displayed by the breadth test graph display module.

Preferably, the broadcast operation uniformity testing module includes a second parameter setting module, a second data display module and a second instruction selecting module, which are sequentially set from top to bottom, where the second parameter setting module includes a collection surface side length a ₂ display module, a broadcast width L ₂ setting module and a collection point row spacing B ₂ setting module, and each row of collection point number N ₂ setting module, a broadcast width L ₂ setting module and a collection point row spacing B ₂ setting module are configured to input parameters through an input frame, and the collection surface side length a ₂ display module automatically displays data through an output frame, and an output value calculation formula is set as follows: The output value is umbrella-shaped flexible collection and distribution spreading size, the second data display module comprises a real-time collection point measurement result display module and a real-time collection point measurement result display module of broadcasting uniformity, which are arranged at the upper right corner, a second virtual collection point operation module and an unmanned aerial vehicle flight route, wherein the second virtual collection point operation module and the unmanned aerial vehicle flight route are arranged in three rows corresponding to collection points in a test site, the real-time collection result display module and the real-time collection result display module of broadcasting uniformity are arranged at each mu, the second virtual collection point operation module is a command button capable of sliding in a window, meanwhile, the second virtual collection point operation module can pop up a second collection point pairing and sorting module, the second collection point pairing and sorting module is identical to the first collection point pairing and sorting module in structure, the second command selection module comprises a second counting command module, a second weighing command module, a second data clearing module, a second starting test module, a second ending test module, a second test result storage module and a third return module, the second command operation module is used for automatically displaying the values, the second data clearing command module is used for clearing the second data, and the second data storage module is used for testing the first-stage data storage module and the second data storage module is used for testing results.

Preferably, the drill operation uniformity testing module includes a third parameter setting module, a third data display module and a third instruction selecting module that are set up in order from top to bottom, the third parameter setting module includes a collection point number N ₃ setting module, a collection surface side length a ₃ display module, a width of broadcast L ₃ setting module, a collection point row interval B ₃ setting module and a collection point row number M ₃ setting module, a collection point number N ₃ setting module, a width of broadcast L ₃ setting module, a collection point row interval B ₃ setting module and a collection point row number M ₃ setting module are set up through input parameters of an input frame, a numerical value setting of the collection point row number M ₃ setting module is smaller than six rows, the collection surface side length a ₃ display module is configured to automatically display data through an output frame, and an output value calculation formula is set up as follows: The output value is umbrella-shaped flexible collection and distribution expansion size, the third data display module comprises a third virtual collection point operation module, a total broadcast uniformity display module, a first-column broadcast uniformity display module, a second-column broadcast uniformity display module, a third-column broadcast uniformity display module, a fourth-column broadcast uniformity display module, a fifth-column broadcast uniformity display module and a sixth-column broadcast uniformity display module, wherein the third virtual collection point operation module is arranged in a plurality of rows corresponding to collection points in a test site, the third collection point operation module is matched with the first collection point operation module in a structure, the third instruction selection module comprises a third counting instruction module, a third weighing instruction module, a third starting test module, a third ending test module, a third test result storage module and a fourth-column return module, the third counting instruction module is used for ending test results, and the third weighing instruction module is used for ending test results, and the third-stage test result storage module is used for testing results.

A method for testing the broadcasting operation performance of an unmanned aerial vehicle comprises the following steps:

S1: according to the test requirements and the collection point layout, placing a plurality of sets of assembled support platforms at each collection point in a test site, clamping a conduit in two through holes, enabling the outlet at the lower end of the conduit to be aligned with a plastic test tube, completing the support of the intelligent test platform by the support platform to be fixed on the ground at the collection point, unlocking an elastic tether, and adjusting the position of a movable ring through fastening screws so as to fix the size of an unfolded collection surface of umbrella-shaped flexible collection cloth, thereby completing the installation of test equipment;

s2: the test equipment is electrified, the mobile data acquisition end is connected with the indicator lamp to light up, the signal butt joint of the mobile data acquisition end and the test data receiving terminal is completed, and the test signal butt joint is completed;

S3: opening an intelligent test system, selecting a test mode for testing the broadcasting operation performance of the unmanned aerial vehicle, inputting test environment parameters, operation flight parameters and broadcasting material types on a test condition parameter setting module, clicking a broadcasting operation breadth test module, a broadcasting operation uniformity test module or a broadcasting operation uniformity test module, and entering a corresponding performance test interface;

S4: clicking each virtual acquisition point operation module in the performance test interface, popping up an acquisition point pairing and sorting module, inputting the equipment number of each acquisition point moving data acquisition end and the row number and the column number of the sorting in the test field, realizing that each virtual acquisition point operation module in the intelligent test system is paired with an intelligent test platform of each acquisition point in the test field, realizing that the intelligent test system reads the particle number and weight test data of each acquisition point in the test field, and completing test data transmission;

S5: clicking to start the test module to start the test, displaying the test result on the test result display module, automatically storing the measurement result by the measurement result storage module, automatically generating a detection report, selecting a test result file, clicking to check or export a command button, checking the test result report, determining a performance test result, and completing a performance detection test.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, a plurality of devices are placed in a test area, the unmanned aerial vehicle is collected through the upper collection cloth unfolded by the devices, if the collected particle materials are large particles, the quantity of the collected particle materials can be detected through the infrared counter, then the unmanned aerial vehicle is used for carrying out the unmanned aerial vehicle flight broadcasting operation performance test through a data calculation and analysis method, if the seeds are small particles, the collected particle materials can be weighed through a high-precision electronic scale when counting is not carried out, then the unmanned aerial vehicle flight broadcasting operation performance test is realized through a data calculation and analysis method, and meanwhile, the unmanned aerial vehicle flight broadcasting operation performance pre-judgment can be realized through observing the height of the seeds in the lower collection pipe through naked eyes.

2. According to the invention, the counting result of the infrared counter and the weighing result of the high-precision electronic scale can be remotely transmitted to the test data receiving terminal through the mobile data collector, namely, a tester can obtain test data in real time without real-time squatting, so that the test result can be output more quickly.

3. The device provided by the invention has the advantages that all the structures are detachable, so that the device can be conveniently carried, and the occupied area when not tested is reduced.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is an overall perspective view of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a cross-sectional view of the portable collection mechanism of the invention;

FIG. 5 is an enlarged view of the invention at B in FIG. 4;

FIG. 6 is an interface diagram of a performance test option of the present invention;

FIG. 7 is a schematic interface diagram of a test condition parameter setting module according to the present invention;

FIG. 8 is an interface schematic diagram of a broadcast operation breadth test module according to the present invention;

FIG. 9 is a schematic diagram of 1/2 method data processing and curve generation according to the present invention;

FIG. 10 is a schematic diagram of horizontal translation data processing and curve generation according to the present invention;

FIG. 11 is a schematic diagram of mirror translation data processing and curve generation in accordance with the present invention;

FIG. 12 is an interface schematic of a broadcast operation uniformity test module according to the present invention;

FIG. 13 is an interface schematic diagram of a drill job uniformity test module according to the present invention;

FIG. 14 is an interface diagram of a test result storage module according to the present invention;

In the figure: 1. a support platform; 1-1, a supporting bottom plate; 1-2, a first bubble level; 1-3, adjusting a screw; 1-4, supporting legs; 1-5, a second bubble level; 1-6, inserting a connecting rod; 1-7, placing a plate; k1: a first threaded hole; k2: a first placement hole; k3: a through hole;

1-7-1, locking through grooves; 1-7-2, locking the screw; 1-7-3, arc locking blocks; and K4: a third threaded hole;

2. An intelligent test platform; 2-1, a portable collection mechanism; 2-2, a catheter; 2-3, an infrared counter; 2-4, a plastic test tube; 2-5, supporting a test tube base; 2-6, a high-precision electronic scale; 2-7, moving a data acquisition end; 2-8, a storage battery;

2-1-1, umbrella-shaped flexible collecting cloth; 2-1-2, a first support frame; 2-1-3, a second supporting frame; 2-1-4, closing in the conduit; 2-1-5, fixing ring; 2-1-6, a movable ring; 2-1-7, fastening screws; 2-1-8, an elastic tether; and K5: a fourth threaded hole;

3. An intelligent test system; 3-1, a test data receiving terminal; 3-2, an intelligent terminal; 3-3, a test condition parameter setting module; 3-4, a broadcast operation breadth testing module; 3-5, a broadcasting operation uniformity testing module; 3-6, a drill operation uniformity test module; 3-7, a test result display module;

3-3-1, an experimental environment parameter setting module; 3-3-2, an operation flight parameter setting module; 3-3-3, a broadcast material type setting module; 3-3-4, a first data emptying module; 3-3-5, a first parameter determination module; 3-3-6, a first return module;

3-4-1, a first parameter setting module; 3-4-2, a first data display module; 3-4-3, a first instruction selection module;

3-4-1-1, and a collection point number N ₁ setting module; 3-4-1-2, and a collecting surface side length A ₁; 3-4-1-3, and setting a module for the arrangement width L ₁ of the acquisition points; 3-4-1-4, a uniformity index delta ₁ is set up as a module;

3-4-2-1, a first virtual acquisition point operation module; 3-4-2-2, a breadth test curve graph display module; 3-4-2-3, a first acquisition point pairing and ordering module;

3-4-2-3-1, and a sequencing row number setting module; 3-4-2-3-2, and a sequencing column number setting module; 3-4-2-3-3, and a device number setting module;

3-4-3-1, a first counting instruction module; 3-4-3-2, a first weighing instruction module; 3-4-3-3, 1/2 method instruction module; 3-4-3-4, a horizontal translation method instruction module; 3-4-3-5, a mirror image translation method instruction module; 3-4-3-6, a first data clearing module; 3-4-3-7, a first start test module; 3-4-3-8, a first ending test module; 3-4-3-9, a first test result storage module; 3-4-3-10, a second return module;

3-5-1, a second parameter setting module; 3-5-2, a second data display module; 3-5-3, a second instruction selection module;

3-5-1-1, and N ₂ collecting points in each row; 3-5-1-2, and a collecting surface side length A ₂; 3-5-1-3, and the width L ₂ of the sowing width is set as a module; 3-5-1-4, and the acquisition point row spacing B ₂ is set as a module;

3-5-2-1, and a real-time test result display module for the amount of the broadcast particles per mu; 3-5-2-2, and a broadcasting uniformity real-time test result display module; 3-5-2-3, a second virtual acquisition point operation module; 3-5-2-4, and a second acquisition point pairing and sequencing module;

3-5-3-1, a second counting instruction module; 3-5-3-2, a second weighing instruction module; 3-5-3-3, and a second data clearing module; 3-5-3-4, and a second start test module; 3-5-3-5, and a second ending test module; 3-5-3-6, a second test result storage module; 3-5-3-7, a third return module;

3-6-1, a third parameter setting module; 3-6-2, a third data display module; 3-6-3, a third instruction selection module;

3-6-1-1, and N ₃ collection points in each row; 3-6-1-2, and a collecting surface side length A ₃; 3-6-1-3, and the width L ₃ of the sowing width is set as a module; 3-6-1-4, and the distance B ₃ between the acquisition point rows is set as a module; 3-6-1-5, and setting a module for collecting the point array number M ₃;

3-6-2-1, a third virtual acquisition point operation module; 3-6-2-2, and a granule amount display module is broadcast in each mu; 3-6-2-3, and a total sowing uniformity display module; 3-6-2-4, a first row broadcasting uniformity display module; 3-6-2-5, a second row broadcasting uniformity display module; 3-6-2-6, and a third row broadcasting uniformity display module; 3-6-2-7, and a fourth row broadcasting uniformity display module; 3-6-2-8, and a fifth row broadcasting uniformity display module; 3-6-2-9, a sixth row broadcasting uniformity display module; 3-6-2-10, and a third acquisition point pairing and sequencing module;

3-6-3-1, a third counting instruction module; 3-6-3-2, a third weighing instruction module; 3-6-3-3, and a third start test module; 3-6-3-4, and a third ending test module; 3-6-3-5, and a third test result storage module; 3-6-3-6, and a fourth return module.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-14, the present invention provides the following technical solutions: an unmanned aerial vehicle broadcast operation capability test device includes: supporting platform 1, intelligent test platform 2 and intelligent test system 3, wherein:

the support platform 1 is quickly assembled and arranged at each collecting point position in the test site and is used for supporting the intelligent test platform 2;

The intelligent test platform 2 comprises a portable collecting mechanism 2-1, a guide pipe 2-2, an infrared counter 2-3, a plastic test tube 2-4, a support test tube base 2-5, a high-precision electronic scale 2-6, a mobile data acquisition end 2-7 and a storage battery 2-8, wherein the support platform 1 is respectively provided with the high-precision electronic scale 2-6, the mobile data acquisition end 2-7 and the storage battery 2-8 are respectively positioned on two vertical sides of the high-precision electronic scale 2-6, the top end of the high-precision electronic scale 2-6 is provided with the support test tube base 2-5, the inside of the top end of the support test tube base 2-5 is provided with the plastic test tube 2-4, the support platform 1 is provided with the guide pipe 2-2, the top end of the guide pipe 2-2 is provided with the portable collecting mechanism 2-1, the infrared counter 2-3 is fixedly connected to the guide pipe 2-2, the bottom end of the guide pipe 2-2 extends into the plastic test tube 2-4, the portable collecting mechanism 2-1, the infrared counter 2-3, the plastic test tube 2-4, and the high-precision electronic scale 2-6, the portable collecting mechanism 2-6, the unmanned aerial vehicle and the unmanned aerial vehicle are sequentially used for collecting and weighing the materials;

the intelligent test system 3 comprises a test data receiving terminal 3-1 and an intelligent terminal 3-2 which are arranged outside a test site, wherein the test data receiving terminal 3-1 is in wireless connection with a plurality of mobile data acquisition ends 2-7, the test data receiving terminal 3-1 is connected with the intelligent terminal 3-2 through wires, test software is arranged in the intelligent terminal 3-2, the test software comprises a test condition parameter setting module 3-3, a broadcast operation breadth test module 3-4, a broadcast operation uniformity test module 3-5, a drill operation uniformity test module 3-6 and a test result display module 3-7, the test condition parameter setting module 3-3 is used for setting test condition parameters according to performance to be tested, the broadcast operation breadth test module 3-4 is used for testing the broadcast operation breadth of the unmanned aerial vehicle, the broadcast operation uniformity test module 3-5 is used for testing the broadcast operation uniformity of the unmanned aerial vehicle, and the drill operation uniformity test module 3-6 is used for testing the drill operation uniformity of the unmanned aerial vehicle, and the test result display module 3-7 is used for displaying the test results.

Specifically, the support platform 1 includes: the high-precision electronic scale 2-6 is arranged in the middle of the supporting bottom plate 1-1, the mobile data acquisition end 2-7 and the storage battery 2-8 are fixedly connected on the supporting bottom plate 1-1 and positioned on the two vertical sides of the high-precision electronic scale 2-6, the first bubble level meter 1-2 is fixedly embedded in one side end of the supporting bottom plate 1-1, the second bubble level meter 1-5 is fixedly embedded in the front end of the supporting bottom plate 1-1, the first bubble level meter 1-2 is perpendicular to the second bubble level meter 1-5, the horizontal state of the supporting surface of the supporting bottom plate 1-1 is displayed in real time, the four corners of the supporting bottom plate 1-1 are respectively provided with a first threaded hole K1, an adjusting screw 1-3 is connected with the first threaded hole K1 in a threaded manner, the bottom end of the adjusting screw 1-3 is fixedly connected with a supporting leg 1-4, the height of the supporting leg 1-4 is adjusted through the rotation of a handle at the upper end of the adjusting screw 1-3, the horizontal state of the supporting surface of the supporting bottom plate 1-1 is quickly adjusted, the rear end of the supporting bottom plate 1-1 is provided with a first placing hole K2, the bottom end of the first placing hole K2 is provided with a plugging rod 1-6, the bottom end of the plugging rod 1-6 is inserted into the ground for fixing, two placing plates 1-7 are detachably connected from top to bottom, the front end of each placing plate 1-7 is provided with a through hole K3, and a guide pipe 2-2 is arranged in the two through holes K3.

Specifically, the rear end of the placing plate 1-7 is provided with a locking through groove 1-7-1, the left side and the right side of the placing plate 1-7 are respectively provided with a third threaded hole K4, the inner threads of the third threaded hole K4 are connected with locking screws 1-7-2, the mutually approaching ends of the locking screws 1-7-2 are respectively connected with arc locking blocks 1-7-3 through bearings, the inserting connection rod 1-6 penetrates through the two arc locking blocks 1-7-3, and the gap between the two symmetrical arc locking blocks 1-7-3 is controlled through the two locking screws 1-7-2, so that the inserting connection rod 1-6 is rapidly locked and disassembled.

Specifically, the portable collecting mechanism 2-1 is fixedly connected with a conduit closing-in 2-1-4 on the inner wall of the top end of the conduit 2-2 and a movable ring 2-1-6 movably sleeved on the conduit 2-2 from top to bottom in sequence, an umbrella-shaped flexible collecting cloth 2-1-1 is arranged on the outer wall of the conduit closing-in 2-1-4, an elastic tether 2-1-8 is fixedly connected on the umbrella-shaped flexible collecting cloth 2-1-1, a fixed ring 2-1-5 is arranged on the outer wall of the umbrella-shaped flexible collecting cloth 2-1-1, the bottom end of the fixed ring 2-1-5 is fixed with the bottom end of the umbrella-shaped flexible collecting cloth 2-1 through fixation between the conduit closing-in 2-1-4, a plurality of first supporting frames 2-1-2 fixed with the umbrella-shaped flexible collecting cloth 2-1-1 are hinged to the outer wall of the fixed ring 2-1-5 at equal intervals along the circumferential direction, a fourth threaded hole K5 is arranged on the ring 2-1-6, a fastening screw 2-1-7 abutted to the conduit 2-2 is connected to the inner thread of the fourth threaded hole K5, and a plurality of second supporting frames are hinged with the corresponding supporting frames 2-1-1 along the circumferential direction at equal intervals along the first supporting frames and the second supporting frames 2-1-2-1.

Specifically, the test condition parameter setting module 3-3 includes an experimental environment parameter setting module 3-3-1, an operation flight parameter setting module 3-3-2, a broadcast material type setting module 3-3-3, a first data emptying module 3-3-4, a first parameter determining module 3-3-5 and a first returning module 3-3-6, the experimental environment parameter setting module 3-3-1 sets experimental environment parameters, the operation flight parameter setting module 3-3-2 sets unmanned plane flight parameters, the broadcast material type setting module 3-3-3 sets broadcast material types, the first data emptying module 3-3-4 is used for data emptying under the condition of error setting of the parameters, the first parameter determining module 3-3-5 is used for determining under the condition of correct setting of the parameters, and the first returning module 3-3-6 is used for returning to the previous step.

Specifically, the broadcast operation breadth test module 3-4 includes a first parameter setting module 3-4-1, a first data display module 3-4-2 and a first instruction selection module 3-4-3, which are sequentially set from top to bottom, the first parameter setting module 3-4-1 includes a collection point number N ₁ setting module 3-4-1-1, a collection surface side length a ₁ display module 3-4-1-2, a collection point arrangement width L ₁ setting module 3-4-1-3 and a uniformity index delta ₁ setting module 3-4-1-4, the collection point number N ₁ setting module 3-4-1-1, the collection point arrangement width L ₁ setting module 3-4-1-3 and the uniformity index delta ₁ setting module 3-4-1-4 are set by input parameters through an input frame, the collection surface side length a ₁ display module 3-4-1-2 is automatically displayed by an output frame, and a calculation formula of an output value is set as follows: The output value is the unfolding size of umbrella-shaped flexible collecting cloth 2-1-1, the first data display module 3-4-2 comprises a plurality of first virtual collecting point operation modules 3-4-2-1 and a breadth test curve graph display module 3-4-2-2 which are arranged in a row, the first virtual collecting point operation module 3-4-2-1 is a command button which can slide in a window, meanwhile, the first virtual collecting point operation module 3-4-2-1 can pop up the first collecting point pairing and sorting module 3-4-2-3 to be paired with the mobile data collecting ends 2-7 at the positions of all collecting points of a test site one by one, the first virtual acquisition point operation module 3-4-2-1 which is successfully paired can display the equipment number of the paired mobile data acquisition end 2-7, when the test is started, the first virtual acquisition point operation module 3-4-2-1 displays the measurement data of the mobile data acquisition end 2-7 corresponding to each acquisition point position in real time, the first acquisition point pairing and ordering module 3-4-2-3 is provided with an ordering row number setting module 3-4-2-3-1, an ordering row number setting module 3-4-2-3-2 and an equipment number setting module 3-4-2-3-3, the ordering row number setting module 3-4-2-3-1 sets the ordering row number of the equipment, the ordering row number setting module 3-4-2-3-2 sets the ordering row number of the equipment, the equipment number setting module 3-4-2-3-3 sets the number of the equipment, the breadth test curve display module 3-4-2-2 comprises a particle distribution actual curve A, a particle distribution fitting curve B, a breadth boundary line C and an effective breadth value D, the first instruction selection module 3-4-3 comprises a first counting instruction module 3-4-3-1, a first weighing instruction module 3-4-3-2, a 1/2 method instruction module 3-4-3-3, a horizontal translation method instruction module 3-4-3-4, a mirror translation method instruction module 3-4-3-5, a first data zero clearing module 3-4-3-6, a first starting test module 3-4-3-7, a first ending test module 3-4-3-8, a first test result saving module 3-4-3-9 and a second return module 3-4-3-10, the first counting instruction module 3-4-3-1 is used for counting, the first weighing instruction module 3-4-3-2 is used for weighing, the 1/2 method instruction module 3-4-3-3 is used for analyzing by a 1/2 method, the horizontal translation method instruction module 3-4-3-4 is used for analyzing by a horizontal translation method, the mirror image translation method instruction module 3-4-3-5 is used for analyzing by a mirror image translation method, the first data clearing module 3-4-3-6 is used for data clearing, the first start test module 3-4-3-7 is used for starting the test, the first end test module 3-4-3-8 is used for ending the test, the first test result storage module 3-4-3-9 stores the test result, and the second return module 3-4-3-10 returns to the previous step, wherein:

The first step: the intelligent terminal 3-2 analyzes and processes the test data, and draws a particle distribution actual curve A according to the data of each acquisition point;

fourth step: setting a polynomial y= =according to sixth order Respectively solving boundary values x _L、x_R of left and right widths, and horizontal distance values of boundary lines of the left and right widths, wherein a width test curve graph display module 3-4-2-2 displays an effective width value D;

The first step: the intelligent terminal 3-2 analyzes and processes the test data, draws a particle distribution actual curve A according to the data of each set acquisition point, and takes a middle flight route as a central axis;

Fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to twice the effective breadth value, and setting the effective breadth value D displayed by the breadth test curve graph display module 3-4-2-2 to be half the horizontal distance between the left central axis and the right central axis calculated for the nth time;

The first step: the intelligent terminal 3-2 analyzes and processes the test data, sets an actual particle distribution curve A drawn according to the data of each acquisition point, sets a middle flight route as a central axis, sets a mirror image particle distribution curve A of the central axis, and sets a mirror image particle distribution curve F;

Fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to twice the effective breadth value, and taking half of the horizontal distance between the left central axis and the right central axis calculated for the nth time to be the effective breadth value D displayed by the breadth test curve graph display module 3-4-2-2.

Specifically, the broadcast operation uniformity testing module 3-5 includes a second parameter setting module 3-5-1, a second data display module 3-5-2, and a second instruction selecting module 3-5-3, which are sequentially set from top to bottom, where the second parameter setting module 3-5-1 includes a collection surface side length a ₂ display module 3-5-1-2, a broadcast width L ₂ setting module 3-5-1-3, and a collection point line spacing B ₂ setting module 3-5-1-4, a collection surface number N ₂ setting module 3-5-1-1, a broadcast width L ₂ setting module 3-5-1-3, and a collection surface line spacing B ₂ setting module 3-5-1-4 are set by input parameters via an input frame, a collection surface side length a ₂ display module 3-5-1-4 is automatically displayed data via an output frame, and an output value calculation setting formula is set as follows: The output value is the unfolding size of umbrella-shaped flexible collecting cloth 2-1-1, the second data display module 3-5-2 comprises a real-time test result display module 3-5-2-1 for the amount of broadcast particles per mu, which are arranged at the upper right corner, a real-time test result display module 3-5-2-2 for the broadcast uniformity, a second virtual collecting point operation module 3-5-2-3 which is arranged in three rows corresponding to collecting points in a test field in the middle and a flight route of an unmanned plane, the real-time test result display module 3-5-2-1 for the amount of broadcast particles per mu and the real-time test result display module 3-5-2-2 for the broadcast uniformity automatically display numerical values, the second virtual acquisition point operation module 3-5-2-3 is a command button capable of sliding in a window, meanwhile, the second virtual acquisition point operation module 3-5-2-3 can pop up the second acquisition point pairing and sorting module 3-5-2-4, the structure of the second acquisition point pairing and sorting module 3-5-2-4 is the same as that of the first acquisition point pairing and sorting module 3-4-2-3, and the second command selection module 3-5-3 comprises a second counting instruction module 3-5-3-1, a second weighing instruction module 3-5-3-2, a second data zero clearing module 3-5-3-3, a second starting test module 3-5-3-4, a second ending test module 3-5-3-5, a second ending test module 3-5, the second test result saving module 3-5-3-6 and the third return module 3-5-3-7, the second counting instruction module 3-5-3-1 is used for counting, the second weighing instruction module 3-5-3-2 is used for weighing, the second data zero clearing module 3-5-3-3 is used for clearing data, the second starting test module 3-5-3-4 is used for starting the test, the second ending test module 3-5-3-5 is used for ending the test, the second test result saving module 3-5-3-6 is used for saving the test result, and the third return module 3-5-3-7 returns to the previous stage.

Setting a calculation formula of the granule amount to be broadcast per mu as the granule amount to be broadcast per mu =In the followingThe number of particles or the weight value of the collection points in the j-th row and the j-th column are N ₂, and the number of the collection points in each row is the number of the collection points in each row;

the broadcasting uniformity is represented by a broadcasting uniformity variation coefficient, and the calculation formula is broadcasting uniformity In/>For the number of particles or weight values for the i-th row, column j, the number of collection points per row, N ₂.

Specifically, the drill operation uniformity testing module 3-6 includes a third parameter setting module 3-6-1, a third data display module 3-6-2, and a third instruction selecting module 3-6-3, which are sequentially set from top to bottom, where the third parameter setting module 3-6-1 includes a collection point number N ₃ setting module 3-6-1-1, a collection surface side length a ₃ display module 3-6-1-2, a width of broadcast L ₃ setting module 3-6-1-3, a collection point column interval B ₃ setting module 3-6-1-4, and a collection point column number M ₃ -6-1-5, each column of collection point number N ₃ setting module 3-6-1-1, a width of broadcast L ₃ setting module 3-6-1-3, a collection point column interval B ₃ setting module 3-6-1-4, and a collection point column number M ₃ setting module 3-6-1-5 are input parameters set through an input frame, a collection point column number M5384 is an automatic calculation value setting is smaller than the collection point column number M3-6-1-5, and the collection point column number M ₃ -1-5 is an output frame number value is smaller than the display module 3-1-25-5, and the data is output from the frame number 1-5.The output value is the unfolding size of umbrella-shaped flexible collecting cloth 2-1-1, the third data display module 3-6-2 comprises a plurality of third virtual collecting point operation modules 3-6-2-1 which are arranged on the left side and are arranged in a plurality of rows corresponding to collecting points in a test site, each mu of broadcasting particle quantity display module 3-6-2, total broadcasting uniformity display module 3-6-2-3, first-row broadcasting uniformity display module 3-6-2-4, second-row broadcasting uniformity display module 3-6-2-5, third-row broadcasting uniformity display module 3-6-2-6, fourth-row broadcasting uniformity display module 3-6-2-7, fifth-row broadcasting uniformity display module 3-6-2-8 and sixth-row broadcasting uniformity display module 3-6-2-9 which are arranged on the right side, the third virtual acquisition point operation module 3-6-2-1 can pop up the third acquisition point pairing and sequencing module 3-6-2-10, the third acquisition point pairing and sequencing module 3-6-2-10 has the same structure as the first acquisition point pairing and sequencing module 3-4-2-3, the third instruction selection module 3-6-3 comprises a third counting instruction module 3-6-3-1, a third weighing instruction module 3-6-3-2, a third start test module 3-6-3-3, the third end test module 3-6-3-4, the third test result storage module 3-6-3-5 and the fourth return module 3-6-3-6, the third counting instruction module 3-6-3-1 is used for counting, the third weighing instruction module 3-6-3-2 is used for weighing, the third start test module 3-6-3-3 is used for starting a test, the third end test module 3-6-3-4 is used for ending a test, the third test result storage module 3-6-3-5 is used for storing a test result, and the fourth return module 3-6-3-6 returns to the previous stage.

The calculation formula of the granule amount scattered per mu is the granule amount scattered per mu=In the followingFor the number of particles or the weight value of the collection points in the j-th row, N ₃ is the number of the collection points in each row, and M ₃ is the number of the collection points;

the total broadcasting uniformity is represented by broadcasting uniformity variation coefficient, and the calculation formula is broadcasting uniformity In/>For the number of particles or the weight value of the collection points in the j-th row, N ₃ is the number of the collection points in each row, and M ₃ is the number of the collection points;

The broadcasting uniformity of the 1 st row is represented by a broadcasting uniformity variation coefficient, and the calculation formula is the broadcasting uniformity of the 1 st row In/>The number of particles or the weight value of the collection points in the 1 st row and the 1 st column is N ₃, and the number of the collection points in each column is N ₃;

The broadcasting uniformity of the 2 nd row is represented by a broadcasting uniformity variation coefficient, and the calculation formula is the broadcasting uniformity of the 2 nd row In/>The number of particles or the weight value of the collection points in the row and the column 2 is i, and N ₃ is the number of the collection points in each column;

similarly, the 3 rd, 4 th, 5 th and 6 th broadcasting uniformity were calculated using the same calculation formulas described above.

S1: according to the test requirements and the collection point layout, placing a plurality of sets of assembled support platforms 1at each collection point in a test site, clamping a conduit 2-2 in two through holes K3, enabling the outlet at the lower end of the conduit 2-2 to be aligned with a plastic test tube 2-4, completing the support of the support platform 1 to support and fix the intelligent test platform 2 on the ground at the collection point, unlocking an elastic tether 2-1-8, adjusting the position of a movable ring 2-1-6 through a fastening screw 2-1-7 so as to fix the unfolded collection surface size of an umbrella-shaped flexible collection cloth 2-1-1, and completing the installation of test equipment;

S2: the test equipment is electrified, the mobile data acquisition end 2-7 is connected with the indicator lamp to be lighted, the signal butt joint of the mobile data acquisition end 2-7 and the test data receiving terminal 3-1 is completed, and the test signal butt joint is completed;

S3: opening an intelligent test system, selecting a test mode for testing the broadcasting operation performance of the unmanned aerial vehicle, inputting test environment parameters, operation flight parameters and broadcasting material types on a test condition parameter setting module 3-3, clicking a broadcasting operation breadth test module 3-4, a broadcasting operation uniformity test module 3-5 or a broadcasting operation uniformity test module 3-6, and entering a corresponding performance test interface;

S4: clicking each virtual acquisition point operation module in the performance test interface, popping up an acquisition point pairing and sorting module, inputting the equipment numbers of each acquisition point position moving data acquisition end 2-7 and the row numbers and column numbers ordered in the test site, realizing that each virtual acquisition point operation module in the intelligent test system 3 is paired with an intelligent test platform 2 of each acquisition point in the test site, realizing that the intelligent test system 3 reads the particle number and weight test data of each acquisition point in the test site, and completing test data transmission;

Table 1: data table derived from broadcast test result of astragalus sinicus unmanned aerial vehicle

Table 2: data table derived from drill test result of unmanned rice plane

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Unmanned aerial vehicle broadcast operation capability test device, its characterized in that includes: supporting platform (1), intelligent test platform (2) and intelligent test system (3), wherein:

The supporting platform (1) is quickly assembled and arranged at each collecting point position in the testing site and is used for supporting the intelligent testing platform (2);

The intelligent test platform (2) comprises a portable collecting mechanism (2-1), a guide pipe (2-2), an infrared counter (2-3), a plastic test tube (2-4), a test tube supporting base (2-5), a high-precision electronic scale (2-6), a mobile data collecting end (2-7) and a storage battery (2-8), wherein the high-precision electronic scale (2-6), the mobile data collecting end (2-7) and the storage battery (2-8) are respectively arranged on the support platform (1), the mobile data collecting end (2-7) and the storage battery (2-8) are respectively arranged on two vertical sides of the high-precision electronic scale (2-6), the top end of the high-precision electronic scale (2-6) is provided with a test tube supporting base (2-5), the inside of the top end of the test tube supporting base (2-5) is provided with the plastic test tube (2-4), the guide pipe (2-2) is arranged on the support platform (1), the top end of the guide pipe (2-2) is provided with the portable collecting mechanism (2-1), the infrared counter (2-3) is fixedly connected on the guide pipe (2-2) to the inside the test tube (2-4), and the test tube (2-4) extends to the portable test tube collecting mechanism The infrared counter (2-3), the plastic test tube (2-4) and the high-precision electronic scale (2-6) are used for sequentially collecting, counting, collecting and weighing the granular materials broadcasted by the unmanned aerial vehicle;

The intelligent test system (3) comprises a test data receiving terminal (3-1) and an intelligent terminal (3-2) which are arranged outside a test site, wherein the test data receiving terminal (3-1) is in wireless connection with a plurality of mobile data acquisition ends (2-7), the test data receiving terminal (3-1) is connected with the intelligent terminal (3-2) through wires, test software is arranged in the intelligent terminal (3-2), the test software comprises a test condition parameter setting module (3-3), a broadcasting operation breadth test module (3-4), a broadcasting operation uniformity test module (3-5), a broadcasting operation uniformity test module (3-6) and a test result display module (3-7), the test condition parameter setting module (3-3) is used for setting test condition parameters according to-be-tested performance, the broadcasting operation breadth test module (3-4) is used for testing broadcasting operation breadth of the unmanned aerial vehicle, the broadcasting operation uniformity test module (3-5) is used for testing broadcasting operation uniformity of the unmanned aerial vehicle, and the broadcasting operation uniformity test module (3-6) is used for displaying the test result display result.

2. The unmanned aerial vehicle broadcast operation performance test device according to claim 1, wherein: the support platform (1) comprises: the device comprises a supporting bottom plate (1-1), a first bubble level (1-2), an adjusting screw (1-3), supporting legs (1-4), a second bubble level (1-5), a plug-in rod (1-6) and a placing plate (1-7), wherein a high-precision electronic scale (2-6) is arranged in the middle of the supporting bottom plate (1-1), a mobile data acquisition end (2-7) and a storage battery (2-8) are fixedly connected to the supporting bottom plate (1-1) and positioned on the two vertical sides of the high-precision electronic scale (2-6), the first bubble level (1-2) is fixedly embedded at one side end of the supporting bottom plate (1-1), the second bubble level (1-5) is fixedly embedded at the front end of the supporting bottom plate (1-1), the first bubble level (1-2) is vertical to the second bubble level (1-5), the level state of the supporting surface of the supporting bottom plate (1-1) is displayed in real time, first threaded holes (K1) are respectively formed in four corners of the supporting bottom plate (1-1), the first threaded holes (K) are connected with the adjusting screw (3) and the adjusting screw (1-3) is fixedly connected to the bottom end of the supporting bottom plate (1-1), the height of the supporting legs (1-4) is adjusted through the rotation of the handles at the upper ends of the adjusting screws (1-3), the horizontal state of the supporting surface of the supporting bottom plate (1-1) is quickly adjusted, a first placing hole (K2) is formed in the rear end of the supporting bottom plate (1-1), a plugging rod (1-6) with the bottom end inserted into the ground to be fixed is arranged in the first placing hole (K2), two placing plates (1-7) are detachably connected to the plugging rod (1-6) from top to bottom, through holes (K3) are formed in the front ends of the placing plates (1-7), and the guide pipe (2-2) is arranged in the two through holes (K3).

3. The unmanned aerial vehicle broadcast operation performance test device according to claim 2, wherein: the novel locking device is characterized in that a locking through groove (1-7-1) is formed in the rear end of the placing plate (1-7), third threaded holes (K4) are formed in the left side and the right side of the placing plate (1-7) respectively, locking screws (1-7-2) are connected with the inner threads of the third threaded holes (K4), arc-shaped locking blocks (1-7-3) are connected to the mutually approaching ends of the locking screws (1-7-2) through bearings respectively, a plugging rod (1-6) penetrates through the two arc-shaped locking blocks (1-7-3), and the gap between the two symmetrical arc-shaped locking blocks (1-7-3) is controlled through the two locking screws (1-7-2), so that the plugging rod (1-6) can be locked and disassembled rapidly.

4. A device for testing the performance of unmanned aerial vehicle broadcast operation according to claim 3, wherein: the portable collecting mechanism (2-1) is fixedly connected with a conduit closing-in (2-1-4) on the inner wall of the top end of the conduit (2-2) and a movable ring (2-1-6) movably sleeved on the conduit (2-2) from top to bottom in sequence, an umbrella-shaped flexible collecting cloth (2-1-1) is arranged on the outer wall of the conduit closing-in (2-1-4), an elastic tether (2-1-8) is fixedly connected on the umbrella-shaped flexible collecting cloth (2-1-1), a fixing ring (2-1-5) is arranged on the outer wall of the umbrella-shaped flexible collecting cloth (2-1-1), the fixing ring (2-1-5) is fixed at the bottom end of the umbrella-shaped flexible collecting cloth (2-1-1) through the fixation between the fixing ring and the conduit closing-in (2-1-4), a plurality of first supporting frames (2-1-2) fixed with the umbrella-shaped flexible collecting cloth (2-1-1) are hinged on the outer wall of the fixing ring (2-1-5) at equal intervals along the circumferential direction, a fourth threaded hole (7) is formed in the fourth conduit (2-1-5) and a threaded hole (2-5), the top end of the movable ring (2-1-6) is hinged with a plurality of second supporting frames (2-1-3) hinged with the first supporting frames (2-1-2) at corresponding positions at equal intervals along the circumferential direction.

5. The unmanned aerial vehicle broadcast operation performance test device according to claim 4, wherein: the test condition parameter setting module (3-3) comprises an experimental environment parameter setting module (3-3-1), an operation flight parameter setting module (3-3-2), a broadcast material type setting module (3-3-3), a first data emptying module (3-3-4), a first parameter determining module (3-3-5) and a first return module (3-3-6), wherein the experimental environment parameter setting module (3-3-1) sets experimental environment parameters, the operation flight parameter setting module (3-3-2) sets unmanned aerial vehicle flight parameters, the broadcast material type setting module (3-3-3) sets broadcast material types, the first data emptying module (3-3-4) is used for data emptying under the condition of error setting of the parameters, the first parameter determining module (3-3-5) is used for determining under the condition of correct setting of the parameters, and the first return module (3-3-6) is used for returning to the previous step.

6. The unmanned aerial vehicle broadcast operation performance test device according to claim 5, wherein: the broadcast operation breadth test module (3-4) comprises a first parameter setting module (3-4-1), a first data display module (3-4-2) and a first instruction selection module (3-4-3) which are sequentially arranged from top to bottom, wherein the first parameter setting module (3-4-1) comprises a collection point number N ₁ setting module (3-4-1-1), a collection surface side length A ₁ display module (3-4-1-2), a collection point arrangement width L ₁ setting module (3-4-1-3) and a uniformity index delta ₁ setting module (3-4-1-4), the collection point number N ₁ setting module (3-4-1-1), the collection point arrangement width L ₁ setting module (3-4-1-3) and the uniformity index delta ₁ setting module (3-4-1-4) are set through input parameters of an input frame, the collection surface side length A ₁ display module (3-4-1-2) is automatically displayed through an output frame and the calculation data are set as an output value through an output frame, and the calculation formula is set.The output value is the unfolding size of umbrella-shaped flexible collection cloth (2-1-1), a first data display module (3-4-2) comprises a plurality of first virtual collection point operation modules (3-4-2-1) and a breadth test graph display module (3-4-2-2) which are arranged in a row, the first virtual collection point operation modules (3-4-2-1) are command buttons which can slide in windows, meanwhile, the first virtual collection point operation modules (3-4-2-1) can pop up first collection point pairing and sorting modules (3-4-2-3), the first virtual collection point operation modules (3-4-2-1) are paired with mobile data collection ends (2-7) at all collection point positions of a test site one by one, the first virtual collection point operation modules (3-4-2-1) which are successful in pairing can display the equipment numbers of the paired mobile data collection ends (2-7), when a test is started, the first virtual collection point operation modules (3-4-2-1) display the mobile data collection ends (2-7) corresponding to the positions of each collection point in real time, and the first data collection point operation modules (3-4-2-3-2-3 are provided with the serial numbers of the first collection point operation modules (3-4-2-3) and sorting modules (3-4-2-3) which are arranged in a row A sequencing row number setting module (3-4-2-3-2) and a device number setting module (3-4-2-3-3), wherein the sequencing row number setting module (3-4-2-3-1) sets a sequencing row number of the device, the sequencing row number setting module (3-4-2-3-2) sets a sequencing row number of the device, the device number setting module (3-4-2-3-3) sets a number of the device, the breadth test graph display module (3-4-2-2) comprises a display particle distribution actual curve A, a particle distribution fitting curve B, a breadth boundary line C and an effective breadth value D, the first instruction selection module (3-4-3) comprises a first counting instruction module (3-4-3-1), a first weighing instruction module (3-4-3-2), a 1/2 method instruction module (3-4-3-3), a horizontal translation method instruction module (3-4-3-4), a mirror image translation method instruction module (3-4-3-5), a first data starting module (3-4-3-3), and a first data starting module (3-4-3-8-3-8) A first test result storage module (3-4-3-9) and a second return module (3-4-3-10), wherein the first counting instruction module (3-4-3-1) is used for counting, the first weighing instruction module (3-4-3-2) is used for weighing, the 1/2 method instruction module (3-4-3-3) is used for analyzing by a 1/2 method, the horizontal translation method instruction module (3-4-3-4) is used for analyzing by a horizontal translation method, the mirror translation method instruction module (3-4-3-5) is used for analyzing by a mirror translation method, the first data clearing module (3-4-3-6) is used for clearing data, the first starting test module (3-4-3-7) is used for starting a test, the first ending test module (3-4-3-8) is used for ending the test, the first test result storage module (3-4-3-9) is used for storing test results, and the second return module (3-4-3-5) is used for returning, wherein the first step (3-4-3-10) is used for returning:

The first step: the intelligent terminal (3-2) analyzes and processes the test data, and draws a particle distribution actual curve A according to the data of each acquisition point;

fourth step: setting a polynomial y= =according to sixth order Respectively solving boundary values x _L、x_R of left and right widths, and horizontal distance values of boundary lines of the left and right widths, wherein a width test curve graph display module (3-4-2-2) displays an effective width value D;

The first step: the intelligent terminal (3-2) analyzes and processes the test data, draws a particle distribution actual curve A according to the data of each set acquisition point, and takes a middle flight route as a central axis;

Fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to twice the effective breadth value, and setting the effective breadth value D displayed by the breadth test curve graph display module (3-4-2-2) to be half the horizontal distance between the left central axis and the right central axis calculated for the nth time;

the first step: the intelligent terminal (3-2) analyzes and processes the test data, sets an actual particle distribution curve A drawn according to the data of each acquisition point, sets a middle flight route as a central axis, sets a mirror image particle distribution curve A of the central axis, and sets a mirror image particle distribution curve F;

fifth step: setting the horizontal distance between the left central axis and the right central axis calculated for the nth time to be equal to twice the effective breadth value, and taking half of the horizontal distance between the left central axis and the right central axis calculated for the nth time to be the effective breadth value D displayed by the breadth test curve graph display module (3-4-2-2).

7. The unmanned aerial vehicle broadcast operation performance test device according to claim 6, wherein: the broadcast operation uniformity testing module (3-5) comprises a second parameter setting module (3-5-1), a second data display module (3-5-2) and a second instruction selecting module (3-5-3) which are sequentially arranged from top to bottom, wherein the second parameter setting module (3-5-1) comprises a collection point number N ₂ setting module (3-5-1-1), a collection surface side length A ₂ display module (3-5-1-2), a broadcast width L ₂ setting module (3-5-1-3) and a collection point row spacing B ₂ setting module (3-5-1-4), the collection point number N ₂ setting module (3-5-1-1), the broadcast width L ₂ setting module (3-5-1-3) and the collection point row spacing B ₂ setting module (3-5-1-4) are set through input parameters of an input frame, the collection surface side length A ₂ display module (3-5-1-2) is an output data setting formula, and the collection surface side length A ₂ display module (3-5-1-2) is an output data setting value through an output frame automatic calculation formula: The output value is the unfolding size of umbrella-shaped flexible collecting cloth (2-1-1), the second data display module (3-5-2) comprises a real-time test result display module (3-5-2-1) for the amount of broadcast particles per mu arranged at the upper right corner and a real-time test result display module (3-5-2-2) for the broadcast uniformity, a second virtual collecting point operation module (3-5-2-3) which is arranged in three rows corresponding to collecting points in a test field in the middle and a flight route of an unmanned aerial vehicle, the real-time test result display module (3-5-2-1) for the amount of broadcast particles per mu and the real-time test result display module (3-5-2-2) for the broadcast uniformity automatically display values, the second virtual acquisition point operation module (3-5-2-3) is a command button capable of sliding in a window, meanwhile, the second virtual acquisition point operation module (3-5-2-3) can pop up the second acquisition point pairing and ordering module (3-5-2-4), the structure of the second acquisition point pairing and ordering module (3-5-2-4) is the same as that of the first acquisition point pairing and ordering module (3-4-2-3), and the second command selection module (3-5-3) comprises a second counting command module (3-5-3-1), the system comprises a second weighing instruction module (3-5-3-2), a second data zero clearing module (3-5-3-3), a second starting test module (3-5-3-4), a second ending test module (3-5-3-5), a second test result storage module (3-5-3-6) and a third return module (3-5-3-7), wherein the second weighing instruction module (3-5-3-1) is used for counting, the second weighing instruction module (3-5-3-2) is used for weighing, the second data zero clearing module (3-5-3-3) is used for clearing data, the second starting test module (3-5-3-4) is used for starting test, the second ending test module (3-5-3-5) is used for ending test, the second test result storage module (3-5-3-6) is used for storing test results, and the third return module (3-5-3-7) returns to the previous stage.

8. The unmanned aerial vehicle broadcast operation performance test device according to claim 7, wherein: the drill operation uniformity test module (3-6) comprises a third parameter setting module (3-6-1), a third data display module (3-6-2) and a third instruction selection module (3-6-3) which are sequentially arranged from top to bottom, the third parameter setting module (3-6-1) comprises a collection surface side length A ₃ display module (3-6-1-2), a sowing width L ₃ setting module (3-6-1-3), a collection point column interval B ₃ setting module (3-6-1-4) and a collection point column number M ₃ setting module (3-6-1-5), the collection point number N ₃ setting module (3-6-1-1), the sowing width L ₃ setting module (3-6-1-3), the collection point column interval B ₃ setting module (3-6-1-4) and the collection point column interval M ₃) are set to be six-point numbers (35-5) which are input into a collection frame through the collection point column number setting module (3-6-1-5), the collecting surface side length A ₃ display module (3-6-1-2) automatically displays data through an output frame, and an output value calculation formula is set as follows: The output value is the unfolding size of umbrella-shaped flexible collecting cloth (2-1-1), the third data display module (3-6-2) comprises a plurality of third virtual collecting point operation modules (3-6-2-1) which are arranged on the left side and correspond to collecting points in a test site and are arranged in a plurality of rows, an automatic display value per mu of broadcasting particle quantity display module (3-6-2-2), a total broadcasting uniformity display module (3-6-2-3), a first row broadcasting uniformity display module (3-6-2-4), a second row broadcasting uniformity display module (3-6-2-5), a third row broadcasting uniformity display module (3-6-2-6), a fourth row broadcasting uniformity display module (3-6-2-7), a fifth row broadcasting uniformity display module (3-6-2-8) and a sixth row broadcasting uniformity display module (3-6-2-9), the third virtual acquisition point operation module (3-6-2-1) can pop up a third acquisition point pairing and ordering module (3-6-2-10), the structure of the third acquisition point pairing and ordering module (3-6-2-10) is the same as that of the first acquisition point pairing and ordering module (3-4-2-3), the third instruction selection module (3-6-3) comprises a third counting instruction module (3-6-3-1), a third weighing instruction module (3-6-3-2), a third starting test module (3-6-3-3), a third ending test module (3-6-3-4), a third test result storage module (3-6-3-5) and a fourth return module (3-6-3-6), the third counting instruction module (3-6-3-1) is used for counting, the third weighing instruction module (3-6-3-2) is used for weighing, the third starting test module (3-6-3-3) is used for starting a test, the third ending test module (3-6-3-4) is used for ending the test, the third test result storage module (3-6-3-5) is used for storing a test result, and the fourth return module (3-6-3-6) returns to the first stage.

9. The test method of the unmanned aerial vehicle broadcast operation performance test device is characterized by comprising the following steps of:

S1: according to the test requirements and the collection point layout, placing a plurality of sets of assembled support platforms (1) at each collection point in a test site, clamping a conduit (2-2) in two through holes (K3), enabling the outlet at the lower end of the conduit (2-2) to be aligned with a plastic test tube (2-4), completing the support of the support platforms (1) to support and fix the intelligent test platforms (2) on the ground at the collection points, unlocking elastic ropes (2-1-8), adjusting the positions of movable rings (2-1-6) through fastening screws (2-1-7) to fix the unfolded collection surface size of umbrella-shaped flexible collection cloth (2-1-1), and completing the installation of test equipment;

S2: the test equipment is electrified, the mobile data acquisition end (2-7) is connected with the indicator lamp to be lighted, the signal butt joint of the mobile data acquisition end (2-7) and the test data receiving terminal (3-1) is completed, and the test signal butt joint is completed;

S3: opening an intelligent test system, selecting a test mode for testing the broadcasting operation performance of the unmanned aerial vehicle, inputting test environment parameters, operation flight parameters and broadcasting material types on a test condition parameter setting module (3-3), clicking a broadcasting operation breadth test module (3-4), a broadcasting operation uniformity test module (3-5) or a drilling operation uniformity test module (3-6), and entering a corresponding performance test interface;

S4: clicking each virtual acquisition point operation module in the performance test interface, popping up an acquisition point pairing and sorting module, inputting the equipment number of each acquisition point position moving data acquisition end (2-7) and the row number and column number ordered in the test site, realizing that each virtual acquisition point operation module in the intelligent test system (3) is paired with an intelligent test platform (2) of each acquisition point in the test site, realizing that the intelligent test system (3) reads the particle number and weight test data of each acquisition point in the test site, and completing test data transmission;