CN112285033A - Unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions - Google Patents
Unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions Download PDFInfo
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- CN112285033A CN112285033A CN202011118388.7A CN202011118388A CN112285033A CN 112285033 A CN112285033 A CN 112285033A CN 202011118388 A CN202011118388 A CN 202011118388A CN 112285033 A CN112285033 A CN 112285033A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention discloses an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions, which comprises an unmanned aerial vehicle, a sample collection device and a plurality of groups of sampling mechanisms, wherein the sampling mechanisms are arranged on the sample collection device and communicated with the sample collection device, the sample collection device is arranged at the bottom of the unmanned aerial vehicle, each sampling mechanism comprises a drill bit, an inner cylinder and an outer cylinder, the bottom of the inner cylinder and the top of the drill bit rotate relatively, the inner wall of the outer cylinder is abutted against the outer wall of the drill bit, a suction mechanism is arranged on the inner wall of the outer cylinder, a cavity for communicating the inner cylinder is arranged on the drill bit, the tail end of the cavity is flush with the outer wall of the drill bit, a first hose fixedly connected with the inner cylinder is arranged in the inner cylinder, the cavity is communicated with the first hose, a plurality of annular second hoses are sleeved outside the first hose, magnetic sheets are, the soil removal device can avoid soil from being difficult to remove due to wrinkles on the inner wall of the pipeline, and avoid overlarge data error caused by subsequent detection work.
Description
Technical Field
The invention relates to a construction device, in particular to an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions.
Background
Satellite image can't be applied to partial forest environment monitoring because its spatial resolution and spectral resolution's restriction, sets up the object reflectivity that hyperspectral remote sensing sensor can gather different spectral bands on unmanned aerial vehicle to realize long-range quick survey appearance. And traditional collection side is difficult to acquire the forest data information in space, moreover because data acquisition work function is single at every turn, can not carry out sample collection with the soil of forest simultaneously, and current forest soil collection device result of use is relatively poor, can not gather the soil of the different degree of depth, and pipeline is because can remain the soil of very big part on the inner wall in addition, and the soil sample that causes the different degree of depth can the intensive mixing be in the same place, leads to the data error that subsequent detection work produced too big.
Disclosure of Invention
Aiming at the existing problems, the invention aims to solve the technical problems that the accumulation of soil on the inner wall of a conveying pipeline can be reduced, the soil is difficult to remove due to the fact that the inner wall of the pipeline is wrinkled, and the phenomenon that the data error generated by subsequent detection work is overlarge is avoided.
The invention provides an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions, which comprises an unmanned aerial vehicle, a sample collection device and a plurality of groups of sampling mechanisms, wherein the sampling mechanisms are arranged on the sample collection device and communicated with the sample collection device, the sample collection device is arranged at the bottom of the unmanned aerial vehicle, each sampling mechanism comprises a drill bit, an inner cylinder and an outer cylinder, the bottom of the inner cylinder and the top of the drill bit rotate relatively, the inner wall of the outer cylinder is abutted against the outer wall of the drill bit, the inner wall of the outer cylinder is provided with a suction mechanism, the drill bit is provided with a cavity for communicating the inner cylinder, the cavity is communicated with a first hose, the tail end of the cavity is flush with the outer wall of the drill bit, the inner cylinder is internally provided with a first hose fixedly connected with the inner cylinder, and a plurality of annular second hoses are sleeved outside, be equipped with the magnetic sheet on the outer wall of second hose, be equipped with on the second hose and be used for controlling the gaseous confession of filling the gassing and get the mechanism, be equipped with the auger that elastic material made in the first hose, be equipped with on the inner wall of urceolus and be used for the drive the drill bit with auger pivoted actuating mechanism, the auger with the top fixed connection of drill bit, suction mechanism be used for with sample suction in the first hose sample collection device, the inner wall of inner tube is equipped with magnetism and inhales the mechanism, magnetism inhale the mechanism with the magnetic sheet actuation mutually, first hose receives the frictional force direction of second hose with the rotation opposite direction of auger, suction mechanism, actuating mechanism and gaseous confession are got the mechanism and all are connected with external signal, suction mechanism, actuating mechanism and gaseous confession are got the mechanism and all are connected with external power supply electricity.
Further, the sample collection device comprises a plurality of shells, the shells are fixedly connected, a conveying pipe communicated with the shells is arranged on the shells, a first control valve is arranged on the conveying pipe and connected with an external signal, the first control valve is electrically connected with an external power supply, and the conveying pipe is communicated with the suction mechanism.
Further, the suction mechanism comprises a suction pump, the suction pump is respectively communicated with the conveying pipe, the suction pump is arranged on the inner wall of the outer barrel and is electrically connected with an external power supply, and the suction pump is connected with an external signal.
Further, actuating mechanism includes the motor, the motor is located on the inner wall of urceolus, the output of motor is equipped with first gear and second gear, be equipped with a plurality of tooth pieces on the outer wall of drill bit, first gear with the tooth piece meshes mutually, be equipped with the third gear on the transmission shaft of auger, the second gear with the third gear meshes mutually, be equipped with the dead lever on the inner tube, the dead lever with the inner wall fixed connection of urceolus, the motor is connected with external power supply electricity, motor and external signal are connected.
Further, gaseous confession is got mechanism and is included air feed pump and communicating pipe, the air feed pump with communicating pipe is linked together, the air feed pump is located on the inner wall of inner tube, be equipped with a plurality of second control valves on communicating pipe, still be equipped with the third control valve on communicating pipe, communicating pipe passes through the second control valve with the second hose is linked together, air feed pump, second control valve with the third control valve all is connected with external signal, air pump, second control valve with the third control valve all is connected with external power supply electricity.
Furthermore, a projection fixedly connected with the magnetic sheet is arranged on the magnetic sheet, the projection is connected with the second hose, and the magnetic attraction mechanism is aligned with the magnetic sheet.
Further, the magnetic attraction mechanism is a magnet.
Furthermore, a hyperspectral remote sensing sensor is arranged at the bottom of the casing at the lowest position and is electrically connected with an external power supply, and the hyperspectral remote sensing sensor is connected with an external signal.
Furthermore, the shell is provided with a connecting rod, the connecting rod is provided with an electric telescopic rod, the electric telescopic rod is fixedly connected with the outer barrel, the electric telescopic rod is connected with an external signal, and the electric telescopic rod is electrically connected with an external power supply.
The invention has the beneficial effects that:
according to the unmanned aerial vehicle with the forest heavy metal spectrum inversion and sample collection functions, the unmanned aerial vehicle can be landed to different collection points according to actual needs, collected by the sampling mechanism, and collected soil is conveyed into the sample collection device, so that the collection work of soil samples is completed. When the device is used for collecting soil samples, the drill bit is driven to rotate by the driving mechanism and then drills the soil in the forest by the drill bit, in addition, the drill bit can rotate relative to the inner barrel, soil can be led into the first hose through the cavity under the suction effect of the suction mechanism, the auger is driven to rotate by the driving mechanism, the gas supply mechanism carries out alternate inflation and deflation on the second hose, the diameter of the first hose is reduced after the expansion of the second hose, the soil on the inner wall of the first hose is pushed towards the direction of the auger by the first hose in the multi-section one-by-one reduction process, the auger can drive the soil to rotate and rise when rotating, and the soil in the rising state can be synchronously pushed upwards by the soil on the inner wall of the first hose, residual amount on the inner wall of the first hose is effectively reduced, friction force between the soil and the inner wall of the first hose can be generated due to rotation of the soil, so that the first hose is screwed to cause the inner wall of the first hose to generate wrinkles, and further soil at the wrinkles can not be removed, force opposite to the screwing direction of the first hose can be generated on the first hose through the cooperation of the magnetic suction mechanism and the magnetic sheet, the first hose is ensured not to have an overlarge screwing angle as much as possible, and the wrinkles generated on the inner wall of the first hose can be effectively reduced, so that soil with different depths can be completely transported, soil samples with different depths are prevented from being mixed together, and after the soil samples with any depth are transported, residual soil in the first hose can be effectively removed through continuous suction of the suction mechanism, and then the soil sample of the next depth can be collected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an overall structure diagram of an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions according to the invention;
FIG. 2 is a cross-sectional view of the outer cylinder of the unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions;
FIG. 3 is a cross-sectional view of an inner cylinder of an unmanned aerial vehicle with forest heavy metal spectral inversion and sample collection functions according to the invention;
FIG. 4 is a top view of an inner cylinder of the unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions.
In the figure, 1 is an unmanned aerial vehicle, 2 is a drill bit, 3 is an inner cylinder, 4 is an outer cylinder, 5 is a cavity, 6 is a first hose, 7 is a second hose, 8 is a magnetic sheet, 9 is an auger, 10 is an electric telescopic rod, 11 is a connecting rod, 12 is a hyperspectral remote sensing sensor, 13 is a magnet, 14 is a bump, 15 is a shell, 16 is a conveying pipe, 17 is a first control valve, 18 is a suction pump, 19 is a motor, 20 is a first gear, 21 is a second gear, 22 is a tooth block, 23 is a third gear, 24 is a fixing rod, 25 is a communicating pipe, 26 is a second control valve, 27 is a third control valve, and 28 is an air supply pump.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the invention provides an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions, which comprises an unmanned aerial vehicle 1, a sample collection device and a plurality of groups of sampling mechanisms, wherein the sampling mechanisms are arranged on the sample collection device and communicated with the sample collection device, the sample collection device is arranged at the bottom of the unmanned aerial vehicle 1, each sampling mechanism comprises a drill bit 2, an inner cylinder 3 and an outer cylinder 4, the bottom of the inner cylinder 3 and the top of the drill bit 2 rotate relatively, the inner wall of the outer cylinder 4 is abutted against the outer wall of the drill bit 2, the inner wall of the outer cylinder 4 is provided with a suction mechanism, the drill bit 2 is provided with a cavity 5 for communicating with the inner cylinder 3, the cavity 5 is communicated with a first hose 6, the tail end of the cavity 5 is level with the outer wall of the drill bit 2, the inner cylinder 3 is internally provided with the first hose 6 fixedly, the outside cover of first hose 6 has a plurality of ring form second hose 7, be equipped with magnetic sheet 8 on the outer wall of second hose 7, be equipped with on second hose 7 and be used for controlling the gaseous confession of inflating gas to get the mechanism, auger 9 that elastic material made is equipped with in first hose 6, be equipped with on the inner wall of urceolus 4 and be used for the drive drill bit 2 with auger 9 pivoted actuating mechanism, auger 9 with the top fixed connection of drill bit 2, suction mechanism is used for with sample suction in first hose 6 the sample collection device, the inner wall of inner tube 3 is equipped with magnetism and inhales the mechanism, magnetism inhale the mechanism with magnetic sheet 8 actuation mutually, first hose 6 receives second hose 7's frictional force direction with auger 9's rotation direction is opposite, suction mechanism, actuating mechanism and gaseous confession are got the mechanism and are all connected with external signal, the suction mechanism, the driving mechanism and the gas supply and taking mechanism are all electrically connected with an external power supply, the device is descended to different collection points according to actual needs, and the collected soil is conveyed to the sample collection device through collection of the sampling mechanism, so that the collection work of soil samples is completed. When the device is used for collecting soil samples, the drill bit 2 is driven to rotate by the driving mechanism, then the drill bit 2 drills the forest land, in addition, the drill bit 2 can rotate relative to the inner barrel 3, soil can be led to the first hose 6 through the cavity 5 under the suction effect of the suction mechanism, the auger 9 is driven by the driving mechanism to rotate, the second hose 7 is inflated and deflated by the gas supply and taking mechanism, the diameter of the first hose 6 is reduced after the second hose 7 is inflated, and then the soil on the inner wall of the first hose 6 is pushed towards the direction of the auger 9 in the multi-section one-by-one shrinkage process of the first hose 6, and the auger 9 can drive the soil to rotate and ascend when rotating, the soil in the ascending state can be enabled to push the soil on the inner wall of the first hose 6 upwards synchronously, the residual amount on the inner wall of the first hose 6 is effectively reduced, and friction force between the soil and the inner wall of the first hose 6 can be generated due to the rotation of the soil, so that the first hose 6 is screwed and the inner wall of the first hose 6 is enabled to generate wrinkles, further the soil at the wrinkles can not be removed, through the matching of the magnetic attraction mechanism and the magnetic sheet 8, the force opposite to the screwing direction of the first hose 6 can be generated on the first hose 6, the first hose 6 is ensured not to have an overlarge screwing angle as far as possible, the wrinkles generated on the inner wall of the first hose 6 are effectively reduced, the soil at different depths can be completely transported, and the soil samples at different depths are prevented from being mixed together, after the soil sample at any depth is conveyed, residual soil in the first hose 6 can be effectively removed through continuous suction of the suction mechanism, and further the soil sample at the next depth can be collected.
Specifically, the sample collection device includes a plurality of casings 15, fixed connection between the casing 15, be equipped with the conveyer pipe 16 that is linked together with it on the casing 15, be equipped with first control valve 17 on the conveyer pipe 16, first control valve 17 is connected with external signal, conveyer pipe 16 with suction mechanism is linked together, and is different through external signal control first control valve 17 opens or closes, can gather the soil sample of the different degree of depth at this device and carry out the batch and preserve in the difference in the casing 15, the soil sample of the reduction different degree of depth mixes together and leads to the inaccurate condition of subsequent testing result to take place.
Specifically, the suction mechanism includes a suction pump 18, the suction pump 18 is respectively communicated with the delivery pipe 16, the suction pump 18 is disposed on the inner wall of the outer tube 4, the suction pump 18 is electrically connected with an external power supply, soil can be sucked into the delivery pipe 16 through the suction pump 18, and the soil is introduced into the housing 15 by the action of negative pressure.
Specifically, the driving mechanism comprises a motor 9, the motor 9 is arranged on the inner wall of the outer barrel 4, the output end of the motor 9 is provided with a first gear 20 and a second gear 21, the outer wall of the drill bit 2 is provided with a plurality of tooth blocks 22, the first gear 20 is meshed with the tooth block 22, a third gear 23 is arranged on a transmission shaft of the packing auger 9, the second gear 21 is meshed with the third gear 23, a fixing rod 24 is arranged on the inner cylinder 3, the fixing rod 24 is fixedly connected with the inner wall of the outer barrel 4, the motor 9 is electrically connected with an external power supply, the motor 9 is connected with an external signal, and the motor 9 is driven by the motor 9, simultaneously, the motor 9 is adjusted to realize low rotating speed, so that the device can drive the drill bit 2 and the auger 9 simultaneously, and further the device can realize the functions of drilling and soil sample conveying.
Specifically, gaseous confession is got mechanism and is included air feed pump 28 and communicating pipe 25, air feed pump 28 with communicating pipe 25 is linked together, air feed pump 28 is located on the inner wall of inner tube 3, be equipped with a plurality of second control valve 26 on communicating pipe 25, still be equipped with third control valve 27 on communicating pipe 25, communicating pipe 25 passes through second control valve 26 with second hose 7 is linked together, second control valve 26 with third control valve 27 all is connected with external signal, through communicating pipe 25 second control valve 26's cooperation can be to the difference inflation in turn of second hose 7 can simultaneously can opening of third control valve 27 is right second hose 7 is deflated.
Specifically, be equipped with lug 14 with its fixed connection on the magnetic sheet 8, lug 14 with second hose 7 links to each other, magnetism inhale the mechanism with magnetic sheet 8 aligns, through the effect of lug 14 makes magnetic sheet 8 can with the outer wall of second hose 7 is certain contained angle, and then can make magnetism inhale the mechanism and exert magnetic force to it, thereby makes second hose 7 with first hose 6 can receive simultaneously with first hose 6 twists the power of opposite direction.
Specifically, the magnetic attraction mechanism is a magnet 13, and through the cooperation of the magnet 13 and the magnetic sheet 8, the screwing amplitude of the first hose 6 can be effectively reduced.
Specifically, the bottom of the casing 15 which is located at the lowest position is provided with the hyperspectral remote sensing sensor 12, the hyperspectral remote sensing sensor 12 is electrically connected with an external power supply, the hyperspectral remote sensing sensor 12 is connected with an external signal, and forest data can be collected through the hyperspectral remote sensing sensor 12.
Specifically, be equipped with connecting rod 11 on casing 15, be equipped with electric telescopic handle 10 on connecting rod 11, electric telescopic handle 10 with 4 fixed connection of urceolus, electric telescopic handle 10 is connected with external signal, electric telescopic handle 10 is connected with external power supply electricity, through electric telescopic handle 10's effect can make under the effect of drill bit 2 the different degree of depth of sampling mechanism entering soil.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection function, its characterized in that, includes unmanned aerial vehicle, sample collection device and a plurality of sampling mechanism of organizing, sampling mechanism locates on the sample collection device and be linked together with it, sample collection device locates unmanned aerial vehicle's bottom, sampling mechanism includes drill bit, inner tube and urceolus, the bottom of inner tube with the top of drill bit rotates relatively, the inner wall of urceolus with the outer wall butt of drill bit, be equipped with suction mechanism on the inner wall of urceolus, be equipped with on the drill bit and be used for communicateing the cavity of inner tube, the end of cavity is leveled mutually with the outer wall of drill bit, be equipped with the first hose of fixed connection with it in the inner tube, the cavity with first hose is linked together, the outside cover of first hose has a plurality of ring form second hoses, be equipped with the magnetic sheet on the outer wall of second hose, be equipped with on the second hose and be used for controlling the gaseous confession of filling the gassing and get the mechanism, be equipped with the auger that elastic material made in the first hose, be equipped with on the inner wall of urceolus and be used for the drive the drill bit with auger pivoted actuating mechanism, the auger with the top fixed connection of drill bit, suction mechanism be used for with sample suction in the first hose sample collection device, the inner wall of inner tube is equipped with magnetism and inhales the mechanism, magnetism inhale the mechanism with the magnetic sheet actuation mutually, first hose receives the frictional force direction of second hose with the rotation opposite direction of auger, suction mechanism, actuating mechanism and gaseous confession are got the mechanism and all are connected with external signal, suction mechanism, actuating mechanism and gaseous confession are got the mechanism and all are connected with external power supply electricity.
2. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions as claimed in claim 1, wherein the sample collection device comprises a plurality of shells, the shells are fixedly connected with each other, a conveying pipe communicated with the shells is arranged on the shells, a first control valve is arranged on the conveying pipe, the first control valve is connected with an external signal, the first control valve is electrically connected with an external power supply, and the conveying pipe is communicated with the suction mechanism.
3. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions of claim 1, wherein the suction mechanism comprises a suction pump, the suction pump is respectively communicated with the conveying pipe, the suction pump is arranged on the inner wall of the outer barrel and is electrically connected with an external power supply, and the suction pump is connected with an external signal.
4. The unmanned aerial vehicle with forest heavy metal spectral inversion and sample collection functions of claim 1, wherein the actuating mechanism comprises a motor, the motor is arranged on the inner wall of the outer barrel, the output end of the motor is provided with a first gear and a second gear, the outer wall of the drill bit is provided with a plurality of tooth blocks, the first gear is meshed with the tooth blocks, the transmission shaft of the auger is provided with a third gear, the second gear is meshed with the third gear, the inner barrel is provided with a fixing rod, the fixing rod is fixedly connected with the inner wall of the outer barrel, the motor is electrically connected with an external power supply, and the motor is connected with an external signal.
5. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection function of claim 1, characterized in that, gaseous supply mechanism includes air feed pump and communicating pipe, the air feed pump with communicating pipe is linked together, the air feed pump is located on the inner wall of inner tube, be equipped with a plurality of second control valves on communicating pipe, still be equipped with the third control valve on communicating pipe, communicating pipe pass through the second control valve with the second hose is linked together, air feed pump, second control valve and the third control valve all with external signal connection, air pump, second control valve with the third control valve all is connected with external power supply electricity.
6. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions as claimed in claim 1, wherein a protruding block fixedly connected with the magnetic sheet is arranged on the magnetic sheet, the protruding block is connected with the second hose, and the magnetic attraction mechanism is aligned with the magnetic sheet.
7. The unmanned aerial vehicle with forest heavy metal spectral inversion and sample collection functions of claim 1 or 6, wherein the magnetic attraction mechanism is a magnet.
8. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions as claimed in claim 1, wherein a hyperspectral remote sensing sensor is arranged at the bottom of the casing at the lowest position, the hyperspectral remote sensing sensor is electrically connected with an external power supply, and the hyperspectral remote sensing sensor is connected with an external signal.
9. The unmanned aerial vehicle with forest heavy metal spectrum inversion and sample collection functions as claimed in claim 1, wherein a connecting rod is arranged on the housing, an electric telescopic rod is arranged on the connecting rod, the electric telescopic rod is fixedly connected with the outer barrel, the electric telescopic rod is connected with an external signal, and the electric telescopic rod is electrically connected with an external power supply.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552079A (en) * | 2021-06-17 | 2021-10-26 | 海南省林业科学研究院(海南省红树林研究院) | Mangrove forest quantitative inversion system based on aviation hyperspectral data |
| CN113600104A (en) * | 2021-07-28 | 2021-11-05 | 海南富山油气化工有限公司 | Aromatization device suitable for diversified raw materials |
| CN115615744A (en) * | 2022-12-20 | 2023-01-17 | 中化明达河北地质工程有限公司 | Soil sampling detection device for rock and soil analysis |
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