CN112050788B - Multispectral remote sensing image collection system of light and small unmanned aerial vehicle - Google Patents
Multispectral remote sensing image collection system of light and small unmanned aerial vehicle Download PDFInfo
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- CN112050788B CN112050788B CN202010666927.4A CN202010666927A CN112050788B CN 112050788 B CN112050788 B CN 112050788B CN 202010666927 A CN202010666927 A CN 202010666927A CN 112050788 B CN112050788 B CN 112050788B
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
- B64D27/24—Aircraft characterised by the type or position of power plant using steam, electricity, or spring force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0227—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using notch filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
- G01J2003/2826—Multispectral imaging, e.g. filter imaging
Abstract
The invention discloses a multispectral remote sensing image acquisition device of a light and small unmanned aerial vehicle, which comprises an unmanned aerial vehicle main body, wherein the unmanned aerial vehicle main body comprises four driving components fixedly connected to the periphery of the unmanned aerial vehicle main body; and a wireless transmission chip is arranged on the surface of the control mainboard. This multispectral remote sensing image collection system of light and small-size unmanned aerial vehicle, change the light filter that the hole can change not used spectral band through setting up, can drive the light filter of not a section of thick bamboo spectral band through setting up servo motor and remove to between spectral sensor and the photographic lens at most, the mode that adopts the electro-magnet circular telegram comes the fixed light filter mounting bracket, make its rigidity, thereby make the device can change the light filter of different spectral bands through control servo motor and electro-magnet as required in the high altitude, need not the landing operation, the image collection efficiency has been improved.
Description
Technical Field
The invention relates to the technical field of image acquisition, in particular to a multispectral remote sensing image acquisition device for a small light unmanned aerial vehicle.
Background
Light unmanned aerial vehicle refers to unmanned aerial vehicle that unmanned aerial vehicle overall mass is greater than 7kg and is less than 116 kg. At present, a multispectral image collection system for unmanned aerial vehicle carries on comprises two or more than two camera lenses mostly, and uses the great unmanned aerial vehicle of volume or can carry on by heavy bigger unmanned aerial vehicle. The device is not suitable for a flight platform of a light and small unmanned aerial vehicle, so that the shortage of a civil low-altitude multispectral remote sensing image acquisition device consisting of the light and small electric unmanned aerial vehicle is caused.
Meanwhile, during multispectral imaging, the volume and the weight of the machine body are large due to the fact that the plurality of groups of lenses are used, the whole energy consumption is more during the air-parking operation, the optical filter of the image acquisition device of a single optical filter needs to be manually replaced and cannot be automatically replaced during the high-altitude operation, the unmanned aerial vehicle still needs to be stopped on the ground, and the aerial photography efficiency is greatly influenced.
Therefore, a multispectral remote sensing image acquisition device of a small light unmanned aerial vehicle is provided.
Disclosure of Invention
The invention aims to provide a multispectral remote sensing image acquisition device for a small light unmanned aerial vehicle, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multispectral remote sensing image acquisition device of a light and small unmanned aerial vehicle comprises an unmanned aerial vehicle main body, wherein the unmanned aerial vehicle main body comprises four driving assemblies fixedly connected to the periphery of the unmanned aerial vehicle main body, a power supply storage battery and a control main board are arranged inside the unmanned aerial vehicle main body, and the power supply storage battery provides power for the control main board and the driving assemblies; the surface of the control mainboard is provided with a wireless transmission chip, the lower surface of the unmanned aerial vehicle main body is fixedly connected with an image acquisition box, the bottom of the image acquisition box is fixedly connected with a damping support component, the lower surface of the image acquisition box is respectively provided with an acquisition hole and a replacement hole, the inside of the acquisition hole is fixedly connected with a multispectral sensor and a photographic lens, the inside of the image acquisition box is also provided with a vertical groove and a transverse groove, the inside of the unmanned aerial vehicle main body is fixedly connected with a servo motor, an output shaft of the servo motor extends to the inside of the vertical groove and is fixedly connected with a fixing ring, the surface of the fixing ring is fixedly connected with a plurality of optical filter mounting frames, the optical filter mounting frames are positioned inside the transverse grooves, one end of the optical filter mounting frames, which is far away, the servo motor drives the optical filter mounting rack to clamp and fix the optical filter to rotate between the multi-spectral sensor and the photographic lens, and the position of the optical filter is fixed through the electromagnet.
Preferably, drive assembly includes fixed connection at unmanned aerial vehicle main part wing pole all around, the one end fixedly connected with brushless motor of unmanned aerial vehicle main part is kept away from to the wing pole, brushless motor's output shaft fixedly connected with screw.
Preferably, the last fixed surface of unmanned aerial vehicle main part installs supplementary bird repellent device, supplementary bird repellent device includes the landing slab of fixed connection at unmanned aerial vehicle main part upper surface, the last fixed surface of landing slab is connected with the montant, the top fixed surface of montant is connected with plastic bearing, plastic bearing's outer loop fixedly connected with drives the bird blade, the surface mounting who drives the bird blade has the reflector.
Preferably, the shock attenuation supporting component includes the telescopic link of fixed connection at the image acquisition box lower surface, the quantity of telescopic link is four, four the even distribution of telescopic link is in the four corners department of image acquisition box lower surface, the interior pole that the equal fixedly connected with slope in front and the back of the bottom expansion end of telescopic link set up, the side fixedly connected with horizontal pole of the bottom expansion end of telescopic link, the surface cover of horizontal pole is equipped with the connecting plate, the through-hole with the horizontal pole adaptation is seted up on the surface of connecting plate, the surface that the horizontal pole passed the one end of through-hole is provided with the spacing ring, the lower fixed surface of connecting plate is connected with the bottom plate, the last fixed surface of bottom plate is connected with the cover and is established the outer sleeve on interior pole bottom surface.
Preferably, the light filter mounting bracket comprises bottom circle frame and top circle frame, and the top circle frame passes through small-size screw and installs the light filter centre gripping between bottom circle frame and top circle frame, the interior diapire fixedly connected with auxiliary bearing in vertical groove, servo motor's output shaft fixed connection is at auxiliary bearing's inner ring, the sealed lid that is used for the shutoff to change the hole is installed through the bolt to the lower surface of image acquisition box.
Preferably, the electromagnet is coupled with the control main board, the electromagnet is electrified to generate magnetic attraction with the magnetic block, and the gap between the electromagnet and the magnetic block is smaller than 0.01 cm.
Preferably, the multispectral sensor and the servo motor are both coupled with a control mainboard through leads, the control mainboard is connected with a storage card through leads, and the storage card can be taken out of the outer surface of the unmanned aerial vehicle main body.
Preferably, the replacement holes are communicated with the transverse grooves, and the number of the filter mounting frames is four.
Preferably, the telescopic link comprises the telescopic bottom movable end of lower open sleeve and grafting at the lower open sleeve of fixed connection at the image acquisition box lower surface, the top fixedly connected with extension spring of bottom movable end, the top of extension spring and the interior roof fixed connection of lower open sleeve, the surface mounting of bottom movable end has the spacing ring that prevents bottom movable end and lower open sleeve excessive separation.
Advantageous effects
The invention provides a multispectral remote sensing image acquisition device of a light and small unmanned aerial vehicle, which has the following beneficial effects:
1. this multispectral remote sensing image collection system of light and small-size unmanned aerial vehicle, install the telescopic link at unmanned aerial vehicle main part lower surface through the setting, can cushion most gravity when making this unmanned aerial vehicle fall to the ground, install the bottom plate in the connecting plate bottom through the setting, when making unmanned aerial vehicle fall to the ground, the contact surface of increase and ground that can, through setting up the interior pole that is located between bottom plate and the telescopic link, outer sleeve and reset spring, the phenomenon of turning on one's side that the single-point is exerting oneself and causes when preventing unmanned aerial vehicle from falling to the ground to improve the device fall to.
2. This multispectral remote sensing image collection system of light and small-size unmanned aerial vehicle, change the light filter that the hole can change not used spectral band through setting up, can drive the light filter of not a section of thick bamboo spectral band through setting up servo motor and remove to between spectral sensor and the photographic lens at most, the mode that adopts the electro-magnet circular telegram comes the fixed light filter mounting bracket, make its rigidity, thereby make the device can change the light filter of different spectral bands through control servo motor and electro-magnet as required in the high altitude, need not the landing operation, the image collection efficiency has been improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the auxiliary bird repelling device of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic side sectional view of the telescopic rod of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic view of a front cross-sectional structure of the main body and the image acquisition box of the unmanned aerial vehicle of the present invention;
FIG. 7 is a schematic top view of the filter mount of the present invention.
In the figure: 1 unmanned aerial vehicle main part, 2 power supply batteries, 3 wireless transmission chip, 4 image acquisition boxes, 5 gather the hole, 6 change holes, 7 multispectral sensor, 8 photographic lens, 9 vertical groove, 10 horizontal slot, 11 servo motor, 12 fixed ring, 13 light filter mounting bracket, 14 magnetic path, 15 electro-magnet, 16 wing pole, 17 brushless motor, 18 screw, 19 landing plate, 20 vertical pole, 21 plastic bearing, 22 light filter, 23 drive the bird blade, 24 telescopic link, 25 interior pole, 26 horizontal pole, 27 connecting plate, 28 bottom plates, 29 outer sleeve, 30 control mainboard, 31 storage card.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a multispectral remote sensing image collection system of light and small-size unmanned aerial vehicle, includes unmanned aerial vehicle main part 1, and unmanned aerial vehicle main part 1 includes four drive assembly of fixed connection in unmanned aerial vehicle main part 1 all around, and drive assembly includes fixed connection at unmanned aerial vehicle main part 1 all around wing pole 16, and the one end fixedly connected with brushless motor 17 of unmanned aerial vehicle main part 1 is kept away from to wing pole 16, and brushless motor 17's output shaft fixedly connected with screw 18.
Fixed surface installs supplementary bird repellent device in the upper surface of unmanned aerial vehicle main part 1, supplementary bird repellent device includes fixed connection at the landing slab 19 of 1 upper surface of unmanned aerial vehicle main part, landing slab 19's last fixed surface is connected with montant 20, montant 20's top fixed surface is connected with plastic bearing 21, plastic bearing 21's outer loop fixedly connected with drives bird blade 23, drives the surface mounting who drives bird blade 23 and has the reflector.
A power supply storage battery 2 and a control main board 30 are arranged inside the unmanned aerial vehicle main body 1, and the power supply storage battery 2 provides power for the control main board 30 and the driving assembly; the surface of control mainboard 30 is provided with wireless transmission chip 3, the lower fixed surface of unmanned aerial vehicle main part 1 is connected with image acquisition box 4, image acquisition box 4's bottom is fixed even has the shock attenuation supporting component, the shock attenuation supporting component includes fixed connection at the telescopic link 24 of image acquisition box 4 lower surface, telescopic link 24 is by fixed connection at the lower open sleeve of image acquisition box 4 lower surface and peg graft and constitute at the telescopic bottom movable end of lower open sleeve, the top fixedly connected with extension spring of bottom expansion end, the top of extension spring and the interior roof fixed connection of lower open sleeve, the surface mounting of bottom expansion end has the spacing ring that prevents bottom expansion end and lower open sleeve excessive separation.
The quantity of telescopic link 24 is four, four even distributions of telescopic link 24 are in the four corners department of 4 lower surfaces of image acquisition box, the interior pole 25 that the equal fixedly connected with slope in front and the back of the bottom expansion end of telescopic link 24 set up, the side fixedly connected with horizontal pole 26 of the bottom expansion end of telescopic link 24, the surface cover of horizontal pole 26 is equipped with connecting plate 27, the through-hole with horizontal pole 26 adaptation is seted up on the surface of connecting plate 27, the surface that horizontal pole 26 passed the one end of through-hole is provided with the spacing ring, the lower fixed surface of connecting plate 27 is connected with bottom plate 28, the outer sleeve 29 on interior pole 25 bottom surface is established to the last fixed surface of bottom plate 28 cover, the surface cover between interior pole.
The lower surface of an image acquisition box 4 is respectively provided with an acquisition hole 5 and a replacement hole 6, the inside of the acquisition hole 5 is fixedly connected with a multispectral sensor 7 and a photographic lens 8, the inside of the image acquisition box 4 is also provided with a vertical groove 9 and a transverse groove 10, the inside of an unmanned aerial vehicle main body 1 is fixedly connected with a servo motor 11, an output shaft of the servo motor 11 extends to the inside of the vertical groove 9 and is fixedly connected with a fixing ring 12, the surface of the fixing ring 12 is fixedly connected with a plurality of optical filter mounting frames 13, the optical filter mounting frames 13 are positioned inside the transverse groove 10, one end of each optical filter mounting frame 13 far away from the fixing ring 12 is fixedly connected with a magnetic block 14, each optical filter mounting frame 13 consists of a bottom circular frame and a top circular frame, each top circular frame clamps an optical filter 22 between the bottom circular frame and the top circular, output shaft fixed connection of servo motor 11 is at auxiliary bearing's inner ring, and the sealed lid that is used for the shutoff to change hole 6 is installed through the bolt to the lower surface of image acquisition box 4, changes hole 6 and is linked together with horizontal groove 10, and the quantity of light filter mounting bracket 13 is four.
The electromagnet 15 is arranged in the image acquisition box 4, the electromagnet 15 is coupled with the control main board 30, the electromagnet 15 is in magnetic adsorption with the magnetic block 14 after being electrified, the gap between the electromagnet 15 and the magnetic block 14 is smaller than 0.01cm, the servo motor 11 drives the optical filter mounting frame 13 to clamp and fix the optical filter 22 to rotate between the multi-spectral sensor 7 and the photographic lens 8, and the position is fixed through the electromagnet 15.
The working principle is as follows: when the multispectral remote sensing image acquisition device of the light and small unmanned aerial vehicle is used for low-altitude aerial photography and image acquisition, firstly, a sealing cover of a replacing hole 6 is opened, a remote control device is adopted to control a servo motor 11 to drive a light filter mounting frame 13 to rotate, four light filters 22 with different spectral bands are all mounted on the light filter mounting frame 13, finally, the sealing cover is covered, the unmanned aerial vehicle is controlled to fly to the air by utilizing four driving components, an operator controls the unmanned aerial vehicle on the ground, sends an instruction to a control main board 30 through a wireless transmission chip 3 to change the flight track of the main board, meanwhile, the servo motor 11 can be used for replacing the different spectral filters 22, after the replacement is finished, the power supply of an electromagnet 15 is controlled to be switched on, the position of the light filter mounting frame 13 is fixed, and when the multispectral remote sensing, the memory card 31 is removed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multispectral remote sensing image collection system of light and small-size unmanned aerial vehicle, includes unmanned aerial vehicle main part (1), its characterized in that: the unmanned aerial vehicle main body (1) comprises four driving assemblies fixedly connected to the periphery of the unmanned aerial vehicle main body (1), a power supply storage battery (2) and a control main board (30) are arranged inside the unmanned aerial vehicle main body (1), and the power supply storage battery (2) provides power for the control main board (30) and the driving assemblies; the surface of the control main board (30) is provided with a wireless transmission chip (3), the lower surface of the unmanned aerial vehicle main body (1) is fixedly connected with an image acquisition box (4), the bottom of the image acquisition box (4) is fixedly connected with a damping support component, the lower surface of the image acquisition box (4) is respectively provided with an acquisition hole (5) and a replacement hole (6), the interior of the acquisition hole (5) is fixedly connected with a multispectral sensor (7) and a photographic lens (8), the interior of the image acquisition box (4) is also provided with a vertical groove (9) and a transverse groove (10), the interior of the unmanned aerial vehicle main body (1) is fixedly connected with a servo motor (11), the output shaft of the servo motor (11) extends to the interior of the vertical groove (9) and is fixedly connected with a fixing ring (12), and the surface of the fixing ring (12) is fixedly connected with a plurality of optical, the optical filter mounting rack (13) is positioned inside the transverse groove (10), one end, far away from the fixing ring (12), of the optical filter mounting rack (13) is fixedly connected with a magnetic block (14), an electromagnet (15) is arranged inside the image acquisition box (4), and the servo motor (11) drives the optical filter mounting rack (13) to clamp and fix the optical filter (22) to rotate between the multi-spectral sensor (7) and the photographic lens (8) and fix the position of the optical filter mounting rack through the electromagnet (15);
the shock absorption supporting component comprises telescopic rods (24) fixedly connected to the lower surface of an image acquisition box (4), the number of the telescopic rods (24) is four, four telescopic rods (24) are uniformly distributed at four corners of the lower surface of the image acquisition box (4), inner rods (25) obliquely arranged are fixedly connected to the front and the back of the bottom movable end of each telescopic rod (24), transverse rods (26) are fixedly connected to the side surfaces of the bottom movable end of each telescopic rod (24), connecting plates (27) are sleeved on the surfaces of the transverse rods (26), through holes matched with the transverse rods (26) are formed in the surfaces of the connecting plates (27), limiting rings are arranged on the surfaces of one ends, penetrating through holes, of the transverse rods (26), bottom plates (28) are fixedly connected to the lower surfaces of the connecting plates (27), outer sleeves (29) arranged on the bottom surfaces of the inner rods (25) are fixedly connected to the upper surfaces of the bottom, and a return spring is sleeved on the surface between the inner rod (25) and the outer sleeve (29).
2. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: drive assembly includes fixed connection wing pole (16) all around in unmanned aerial vehicle main part (1), one end fixedly connected with brushless motor (17) of unmanned aerial vehicle main part (1) are kept away from in wing pole (16), the output shaft fixedly connected with screw (18) of brushless motor (17).
3. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: the utility model discloses an unmanned aerial vehicle, including unmanned aerial vehicle main part (1), the last fixed surface of unmanned aerial vehicle main part (1) installs supplementary bird repellent device, supplementary bird repellent device includes landing slab (19) of fixed connection at unmanned aerial vehicle main part (1) upper surface, the last fixed surface of landing slab (19) is connected with montant (20), the top fixed surface of montant (20) is connected with plastic bearing (21), the outer loop fixedly connected with of plastic bearing (21) drives bird blade (23), the surface mounting who drives bird blade (23) has the reflector.
4. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: light filter mounting bracket (13) comprises bottom circle frame and top circle frame, and the top circle frame passes through small-size screw and installs light filter (22) centre gripping between bottom circle frame and top circle frame, the interior diapire fixedly connected with auxiliary bearing of vertical groove (9), the output shaft fixed connection of servo motor (11) is at auxiliary bearing's inner ring, the sealed lid that is used for the shutoff to change hole (6) is installed through the bolt to the lower surface of image acquisition box (4).
5. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: the electromagnet (15) is coupled with the control main board (30), the electromagnet (15) and the magnetic block (14) generate magnetic attraction after being electrified, and the gap between the electromagnet (15) and the magnetic block (14) is smaller than 0.01 cm.
6. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: the multispectral sensor (7) and the servo motor (11) are both coupled with the control main board (30) through leads, the control main board (30) is connected with the storage card (31) through leads, and the storage card (31) can be taken out of the outer surface of the unmanned aerial vehicle main body (1).
7. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: the replacement holes (6) are communicated with the transverse grooves (10), and the number of the optical filter mounting frames (13) is four.
8. The multispectral remote sensing image acquisition device of the light small unmanned aerial vehicle as claimed in claim 1, wherein: telescopic link (24) are by the telescopic lower open sleeve of fixed connection at image acquisition box (4) lower surface and peg graft and constitute at the telescopic bottom movable end of lower open, the top fixedly connected with extension spring of bottom expansion end, the top of extension spring and the interior roof fixed connection of lower open sleeve, the surface mounting of bottom expansion end has the spacing ring that prevents bottom expansion end and lower open sleeve excessive separation.
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| CN202010666927.4A CN112050788B (en) | 2020-07-13 | 2020-07-13 | Multispectral remote sensing image collection system of light and small unmanned aerial vehicle |
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| CN202010666927.4A CN112050788B (en) | 2020-07-13 | 2020-07-13 | Multispectral remote sensing image collection system of light and small unmanned aerial vehicle |
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| CN112050788B true CN112050788B (en) | 2021-06-08 |
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| CN209889135U (en) * | 2019-04-22 | 2020-01-03 | 东华理工大学 | Multispectral remote sensing image collection system of light and small unmanned aerial vehicle |
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| CN204731516U (en) * | 2015-04-30 | 2015-10-28 | 信华精机有限公司 | A kind of switching device of optical fiber |
| CN205719940U (en) * | 2016-04-07 | 2016-11-23 | 河北省环境监测中心站 | High precision small Aerial Multispectral Remote Sensing system |
| CN209889135U (en) * | 2019-04-22 | 2020-01-03 | 东华理工大学 | Multispectral remote sensing image collection system of light and small unmanned aerial vehicle |
| CN110487409A (en) * | 2019-07-09 | 2019-11-22 | 国家海洋局温州海洋环境监测中心站 | The infrared water surface temperature measurement accuracy bearing calibration of unmanned plane based on thumb wheel rotating mechanism |
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