CN113259570A - Test platform for detecting state of unmanned aerial vehicle - Google Patents
Test platform for detecting state of unmanned aerial vehicle Download PDFInfo
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- CN113259570A CN113259570A CN202110614957.5A CN202110614957A CN113259570A CN 113259570 A CN113259570 A CN 113259570A CN 202110614957 A CN202110614957 A CN 202110614957A CN 113259570 A CN113259570 A CN 113259570A
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000000889 atomisation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 210000003437 trachea Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000035924 thermogenesis Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- General Physics & Mathematics (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a test platform for detecting the state of an unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles, and the technical scheme of the test platform comprises a test box, a test box body and an openable sealing door, wherein the test box body comprises a box body and a sealing door; the test platform is arranged at the bottom of the inner wall of the box body and used for placing the unmanned aerial vehicle; the refrigerating system is arranged at the top of the box body, acts on the interior of the box body and is used for adjusting the temperature of the interior of the box body; the atomization system is arranged on one side of the box body, extends into the box body and is used for adjusting the humidity in the box body; the air pressure adjusting system is arranged on one side of the box body, acts on the interior of the box body and is used for adjusting the air pressure in the box body; the environment detection assembly is arranged in the box body and used for detecting the environment in the box body.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a test platform for detecting states of an unmanned aerial vehicle.
Background
With the development of the unmanned aerial vehicle industry, unmanned aerial vehicles are widely applied to various exploration operations, wherein icing phenomenon can be generated due to the impact of supercooled water drops in the atmosphere in the process of crossing icing meteorological conditions or exploring icebergs and ice holes, and even normal flight of the unmanned aerial vehicle is seriously influenced, so that the test of the icing condition on the surface of the unmanned aerial vehicle is an important index for detecting the performance of the unmanned aerial vehicle,
in the unmanned aerial vehicle surface icing detection process, mostly under airtight condition, adjust humiture and atmospheric pressure in the enclosure space, then come to shoot the video recording to unmanned aerial vehicle testing process through camera and camera, borrow this to analyze the unmanned aerial vehicle surface icing condition, but in the testing process of reality, the temperature is lower in the enclosure space, there is a large amount of aqueous vapor, consequently, the aqueous vapor accumulates easily on the lens of camera or camera, thereby form the icing on the lens surface easily, seriously influence the shooting effect of camera parts.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a test platform for detecting the state of an unmanned aerial vehicle, which has the advantages that the icing of lenses of shooting parts can be effectively prevented on the premise of not influencing the test environment as much as possible, and the shooting effect is ensured.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A test platform for detecting unmanned aerial vehicle state is applied to unmanned aerial vehicle surface anti-icing test, includes:
the test box comprises a box body and an openable sealing door;
the test platform is arranged at the bottom of the inner wall of the box body and used for placing the unmanned aerial vehicle;
the refrigerating system is arranged at the top of the box body, acts on the interior of the box body and is used for adjusting the temperature of the interior of the box body;
the atomization system is arranged on one side of the box body, extends into the box body and is used for adjusting the humidity in the box body;
the air pressure adjusting system is arranged on one side of the box body, acts on the interior of the box body and is used for adjusting the air pressure in the box body;
the environment detection assembly is arranged inside the box body and used for detecting the environment inside the box body;
further comprising:
the shooting assembly is arranged at the top of the inner wall of the box body and used for shooting the surface condition of the unmanned aerial vehicle;
the video recording component is arranged on one side of the inner wall of the box body and used for recording videos in real time in the surface testing process of the unmanned aerial vehicle:
the electrifying assembly is arranged on the other side of the box body, is respectively connected with the shooting assembly and the video recording assembly and is used for electrifying the shooting assembly and the video recording assembly;
wherein, the video recording subassembly includes:
a support plate;
the shell is arranged on the supporting plate;
the lifting device is arranged on one side of the inner wall of the box body, is connected with the supporting plate and is used for adjusting the position of the shell;
a camera assembly disposed inside the housing;
an anti-icing mechanism disposed inside the housing and acting at the lens of the camera assembly for preventing icing at the lens of the camera assembly;
and the recovery part is arranged in the shell and acts on the lens of the camera assembly and is used for reducing the influence of the anti-icing mechanism on the internal environment of the box body.
Further, elevating gear includes the guide rail, the inner wall of guide rail is provided with the latch that the equidistance distributes, the bar hole has all been seted up to the both sides of guide rail, the surperficial sliding connection of guide rail has the removal seat, the inner wall of removing the seat all rotates and is connected with the pivot, two the opposite side of pivot all runs through the bar hole extends to the inside of guide rail, and two the opposite side fixedly connected with of pivot with latch intermeshing's gear, remove the seat pass through the bolt with the backup pad is articulated, one side of removing the seat still is provided with the drive pivot pivoted motor case.
Furthermore, a heat source box body used for supplementing heat is further arranged at the top of the movable seat, and a heat source part is arranged in the heat source box body.
Furthermore, the anti-icing mechanism comprises a positioning cylinder, an air inlet fan and a heat source inlet pipe, wherein the positioning cylinder, the air inlet fan and the heat source inlet pipe are sleeved on the surface of the camera assembly, deicing channels distributed in an annular mode are formed in the positioning cylinder, one side of each deicing channel, which is close to the corresponding lens, is opened towards the corresponding lens, the air inlet fan is arranged in the casing and is far away from one side of the corresponding lens, the heat source inlet pipe is communicated with one side, which is far away from the corresponding lens, of the casing, one end, far away from the casing, of the heat source inlet pipe is respectively communicated with the motor box and the heat source box through a three-way joint, and an electromagnetic valve is arranged at an interface, which is connected with the motor box and the heat source box.
Furthermore, the recycling portion comprises an air return cover sleeved on the surface of the positioning barrel, one side, close to the lens, of the air return cover is communicated with air suction pipes distributed in an annular mode, one end, far away from the air return cover, of each air suction pipe faces towards the lens, the air suction pipes are arranged on one sides of the deicing channels, one sides, far away from the air suction pipes, of the air return covers are communicated with air return pumps through air pipes, one sides, far away from the air pipes, of the air return pumps are communicated with air return pipes, and the air return pipes are also communicated with the motor box and the heat source box through three-way connectors.
Furthermore, the electrifying assembly comprises a cable storage box, an electrifying cable, an electrifying plug, a paying-off mechanism and a plurality of reversing pulleys, the paying-off mechanism is arranged in the cable storage box, the reversing pulleys are arranged on one side of the box body and the corresponding inner wall, one end of the electrifying cable penetrates through the cable storage box, penetrates through the paying-off mechanism and the reversing pulleys in sequence and is connected with the electrifying plug, and the electrifying plug penetrates through the supporting plate and the casing and is spliced with the camera assembly.
Further, paying out machine constructs including a plurality of spring pipe that crisscross distribution in proper order, the inner wall of spring pipe is provided with the spring, the one end fixedly connected with ejector pin of spring, the ejector pin is kept away from one side of spring is provided with the leading wheel, the inboard laminating mutually of circular telegram cable and leading wheel.
Furthermore, the top of the movable seat is fixedly connected with a positioning plate, and one end of the electrified cable penetrates through the positioning plate and is fixedly connected with the positioning plate.
Furthermore, the environment detection assembly comprises a temperature sensor, a humidity sensor and a pressure sensor which are arranged on the inner wall of the box body.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the process of operating the unmanned aerial vehicle to move up and down, the servo motor can be controlled to work through the remote controller, the servo motor works to drive the rotating shaft to rotate, the rotating shaft can drive the gear to rotate, in the gear rotating process, the latch can provide a reverse acting force for the gear, so that the gear can move in the guide rail, and further the moving seat is driven to move, so that the effect of adjusting the height of the shell can be achieved, the distance between the video recording assembly and the unmanned aerial vehicle is always kept within a set threshold value, and the real-time recording of the icing condition on the surface of the unmanned aerial vehicle in the process of flying or moving up and down of the unmanned aerial vehicle is facilitated;
(2) in the scheme, in the test process, the camera assembly operates, the heat source component works to heat gas in the heat source box body in the process, the air inlet fan operates, at the moment, one end of the tee joint, which is connected with the heat source box body, is opened, hot air is extracted through the heat source inlet pipe, the hot air enters the interior of the shell through the heat source inlet pipe and then acts on the lens through the deicing channel, and blown hot air can effectively blow off water vapor on the lens, so that the accumulation of the water vapor can be effectively avoided, the surface of the lens is prevented from being frozen, in addition, the temperature in the interior of the box body is reduced, the camera assembly has the condition of frost damage, and in the process of ice prevention, the hot air firstly passes through the interior of the shell, so that the temperature in the interior of the shell can not be too low, a good anti-freezing effect is achieved on the camera assembly, and the frost damage of the internal components is avoided;
(3) this scheme is at video recording subassembly operation in-process, and the return-air pump operation spouts most gas on lens surface through the deicing passageway and can be inhaled the return-air cover inside by the breathing pipe, then enters into the inside reheating of heat source box again through return-air pump and muffler, and steam that this in-process can effectual reduction blow on the lens diffuses to the inside possibility of box, reduces the influence of lens anti-icing process to testing environment, has guaranteed the accuracy that detects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the case of the present invention;
FIG. 3 is a schematic view of the connection between the lifting device and the supporting plate according to the present invention;
FIG. 4 is a cross-sectional view of a video cassette recording assembly according to the present invention;
FIG. 5 is a cross-sectional view of the housing of the present invention;
FIG. 6 is an enlarged view taken at B of FIG. 4 in accordance with the present invention;
fig. 7 is an enlarged view of the invention at a in fig. 4.
The reference numbers in the figures illustrate:
1. a test box; 2. a test platform; 3. a refrigeration system; 4. an atomization system; 5. a shooting component; 6. a video component; 601. a support plate; 602. a housing; 603. a lifting device; 6031. a guide rail; 6032. a movable seat; 6033. a rotating shaft; 6034. a gear; 6035. a motor case; 6036. a heat source box body; 604. a camera assembly; 605. an anti-icing mechanism; 6051. a positioning cylinder; 6052. a deicing channel; 6053. an air inlet fan; 6054. a heat source inlet pipe; 606. a recovery unit; 6061. a gas return cover; 6062. an air intake duct; 6063. an air return pump; 6064. an air return pipe; 7. a power-on component; 701. a cable storage box; 702. an electrified cable; 703. a power-on plug; 704. a pay-off mechanism; 7041. a spring tube; 7042. a spring; 7043. a guide wheel; 7044. a top rod; 705. a diverting pulley; 8. an air pressure regulating system; 9. and (7) positioning the plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a test platform for detecting a state of an unmanned aerial vehicle is applied to an anti-icing test on a surface of the unmanned aerial vehicle, and includes:
the test box 1 comprises a box body and an openable sealing door;
the test platform 2 is arranged at the bottom of the inner wall of the box body and used for placing the unmanned aerial vehicle;
the refrigerating system 3 is arranged at the top of the box body, and the refrigerating system 3 acts on the interior of the box body and is used for adjusting the temperature of the interior of the box body;
the atomization system 4 is arranged on one side of the box body, extends into the box body and is used for adjusting the humidity in the box body;
the air pressure adjusting system 8 is arranged on one side of the box body, acts on the interior of the box body and is used for adjusting the air pressure in the box body;
the environment detection assembly is arranged inside the box body and used for detecting the environment inside the box body;
further, refrigerating system 3 adopts the refrigeration of compressor unit, it is comparatively ripe in the application of prior art, do not do specific details here again, atomizing system 4 includes the water tank, the water pump, pipeline and nozzle that correspond, the water pump is taken out the water in the water tank and is followed the nozzle blowout through the pipeline, a humidity for adjusting the box inside, wherein the nozzle chooses for use the air atomization nozzle that the accessible was adjusted atmospheric pressure and hydraulic pressure and is realized average water droplet volume diameter (MVD) and change, atmospheric pressure governing system 8 adopts the aspiration pump that has other functions of pump drainage, through taking out or discharging other atmospheric pressure of adjusting the box inside.
In addition, the refrigeration system 3, the atomization system 4 and the air pressure adjusting system 8 are only used in one embodiment, and other devices such as temperature, humidity and air pressure adjusting devices can be used.
Further, the environment detection assembly comprises a temperature sensor, a humidity sensor and a pressure sensor which are arranged on the inner wall of the box body.
Referring to fig. 1 and fig. 2, a test platform for detecting a state of an unmanned aerial vehicle further includes:
the shooting assembly 5 is arranged at the top of the inner wall of the box body and used for shooting the surface condition of the unmanned aerial vehicle;
the electrifying component 7 is arranged on the other side of the box body, is respectively connected with the shooting component 5 and the video recording component 6, and is used for electrifying the shooting component 5 and the video recording component 6;
referring to fig. 3 and 4, the recording module 6 includes:
a support plate 601;
a housing 602 disposed on the support plate 601;
a lifting device 603 disposed on one side of the inner wall of the case and connected to the supporting plate 601 for adjusting the position of the housing 602;
a camera assembly 604 disposed inside the housing 602;
an anti-icing mechanism 605 disposed inside the housing 602 and acting at the lens of the camera assembly 604 for preventing icing at the lens of the camera assembly 604;
and a recycling part 606 which is arranged inside the housing 602 and acts on the lens of the camera assembly 604 to reduce the influence of the anti-icing mechanism 605 on the internal environment of the box body.
Referring to fig. 3, 4 and 6, the lifting device 603 includes a guide rail 6031, the inner wall of the guide rail 6031 is provided with latch teeth distributed at equal intervals, two sides of the guide rail 6031 are both provided with strip-shaped holes, the surface of the guide rail 6031 is connected with a moving seat 6032 in a sliding manner, the inner wall of the moving seat 6032 is connected with a rotating shaft 6033 in a rotating manner, opposite sides of the two rotating shafts 6033 penetrate through the strip-shaped holes and extend into the guide rail 6031, the opposite sides of the two rotating shafts 6033 are fixedly connected with gears 6034 engaged with the latch teeth, the moving seat 6032 is hinged with a supporting plate 601 through bolts, one side of the moving seat 6032 is further provided with a motor box 6035 for driving the rotating shaft 6033 to rotate, a servo motor is installed inside the motor box 6035, the servo motor can be controlled by a remote controller to operate during the up and down movement of the unmanned aerial vehicle, the servo motor operates to drive the rotating shaft 6033 to rotate, the gears 6034 are driven by the rotating shaft 6033, during the rotation of the gears 6034, the latch can provide a reverse effort for it, and then makes gear 6034 remove in guide rail 6031, and then drives and remove seat 6032 and remove to can reach the effect of adjustment casing 602 height, make the distance between video recording subassembly 6 and the unmanned aerial vehicle remain throughout in the threshold value of settlement, help vacating the air at unmanned aerial vehicle or reciprocate the in-process and record in real time to the condition of freezing on unmanned aerial vehicle surface.
Further, a heat source box 6036 for supplying heat is further arranged at the top of the moving seat 6032, and a heat source component is arranged inside the heat source box 6036 and used for generating heat and heating the gas entering the heat source box 6036 so as to be used for removing moisture on the surface of the lens in the following process.
Referring to fig. 3 and 5, the anti-icing mechanism 605 includes a positioning cylinder 6051, an air intake fan 6053 and a heat source inlet tube 6054, which are sleeved on the surface of the camera assembly 604, the positioning cylinder 6051 is internally provided with deicing channels 6052 distributed annularly, one side of the deicing channels 6052 close to the lenses is opened towards the lenses, the air intake fan 6053 is arranged inside the housing 602 and is far away from the lenses, the heat source inlet tube 6054 is communicated with one side of the housing 602 far away from the lenses, one end of the heat source inlet tube 6054 far away from the housing 602 is respectively communicated with the motor box 6035 and the heat source box 6036 through a three-way joint, and an electromagnetic valve is arranged at an interface of the three-way joint connected with the motor box 6035 and the heat source box 6036, during the test, the camera assembly 604 operates, during the process, the air inside the heat source box 6036 is heated by the heat source assembly, the air intake fan 6053 operates, at the time, one end of the three-way joint connected with the heat source box 6036 is opened, and advance the pipe 6054 through the heat source and take out hot gas, hot gas advances inside the pipe 6054 gets into casing 602 through the heat source, then act on the lens through deicing passageway 6052, the hot-blast aqueous vapor that blows out can effectually blow off on the lens, thereby can effectually avoid aqueous vapor accumulation, avoid the lens surface to freeze, in addition because the inside temperature of box reduces, there is the condition of freezing damage in camera subassembly 604, and at the anti-icing in-process, hot gas is at first inside through casing 602, can make the inside temperature of casing 602 can not hang down excessively, and then played good frostproofing effect to camera subassembly 604, avoid inside components and parts to freeze.
Referring to fig. 3 and 5, the recycling portion 606 includes an air returning cover 6061 sleeved on the surface of the positioning cylinder 6051, one side of the air returning cover 6061 close to the lens is communicated with the air suction pipes 6062 distributed annularly, one end of the air suction pipes 6062 far from the air returning cover 6061 is inclined towards the lens, the air suction pipes 6062 are arranged on one side of the deicing channel 6052, one side of the air returning cover 6061 far from the air suction pipes 6062 is communicated with the air returning pump 6063 through air pipes, one side of the air returning pump 6063 far from the air pipes is communicated with the air returning pipe 6064, the air returning pipe 6064 is also communicated with the motor box 6035 and the heat source box 6036 through a three-way joint, during the operation of the video recording component 6, the air returning pump 6063 operates, most of the air sprayed to the surface of the lens through the deicing channel 6052 is sucked into the air returning cover 6061 by the air suction pipes 6062, and then re-enters the heat source box 6036 through the air returning pump 6063 and 6064 to re-heat, thereby effectively reducing the possibility that the hot air blown onto the lens is diffused into the box 6036 to the interior, the influence of the anti-icing process of the lens on the detection environment is reduced, and the detection accuracy is ensured.
Further, when observing the freezing condition of the up-and-down take-off in-process of unmanned aerial vehicle, need to operate video recording subassembly 6 and unmanned aerial vehicle synchronous rising, servo motor needs continuous operation in this process, because the motor operation thermogenesis is too big, consequently can open the solenoid valve between muffler 6064 and the motor case 6035, make the gas of taking out enter into inside the motor case 6035, be used for dispelling the heat to servo motor, gas after the while absorption heat still can advance inside the pipe 6054 reentrant casing 602 through the heat source, be used for follow-up to the lens bloies.
Referring to fig. 4 and 7, the power-on assembly 7 includes a cable storage box 701, a power-on cable 702, a power-on plug 703, a pay-off mechanism 704 and a plurality of direction-changing pulleys 705, the pay-off mechanism 704 is disposed inside the cable storage box 701, the direction-changing pulleys 705 are disposed on one side of the box body and corresponding to an inner wall of the box body, one end of the power-on cable 702 penetrates through the cable storage box 701, sequentially penetrates through the pay-off mechanism 704 and the direction-changing pulleys 705, and is connected to the power-on plug 703, the power-on plug 703 penetrates through the supporting plate 601 and the casing 602 and is plugged into the camera assembly 604, the pay-off mechanism 704 includes a plurality of spring tubes 7041 sequentially distributed in a staggered manner, a spring 7042 is disposed on an inner wall of the spring 7041, a push rod 7044 is fixedly connected to one end of the spring 7042, a guide wheel 7043 is disposed on a side of the push rod 7044 away from the spring 7042, and the power-on cable 702 is attached to an inner side of the guide wheel 7043.
Adopt above-mentioned design, in video recording subassembly 6 lift in-process, video recording subassembly 6 can pull circular telegram cable 702 and move, when pulling circular telegram cable 702 and moving, circular telegram cable 702 can extrude leading wheel 7043, leading wheel 7043 passes through ejector pin 7044 extrusion spring 7042 this moment, and then make circular telegram cable 702 whole tend to the straight line, and then make the effective length increase of circular telegram cable 702, prevent circular telegram cable 702 and break, and in video recording subassembly 6 upwards moves the in-process, spring 7042 promotes ejector pin 7044, it buckles to promote circular telegram cable 702, and then make the wire remain the state of straining all the time, avoid circular telegram cable 702 to twine, lead to follow-up unable operation.
Referring to fig. 6, a positioning plate 9 is fixedly connected to the top of the moving seat 6032, one end of the power cable 702 penetrates through the positioning plate 9 and is fixedly connected to the positioning plate 9, and the positioning plate 9 is used for fixing the end of the power cable 702, so as to prevent the power cable 702 from pulling the power plug 703, which may cause the video recording assembly 6 to be powered off.
It should be noted that the shooting assembly 5 is basically the same in structure except for the essential difference between the camera and the video camera, and in addition, the pipeline used in the above design is covered with a heat preservation belt on the surface to reduce the heat diffusion rate.
The working principle of the invention is as follows: when the surface icing test of the unmanned aerial vehicle is carried out, firstly, the unmanned aerial vehicle is placed on a test platform 2, then the temperature in the box body is adjusted by using a refrigerating system 3, atomized water is sprayed into the box body through an atomizing system 4 and used for adjusting the humidity in the box body, meanwhile, the air pressure in the box body is adjusted through an air pressure adjusting system 8, and then shooting and video recording are carried out on the detection process through a shooting assembly 5 and a video recording assembly 6;
in the process of dynamically testing the unmanned aerial vehicle, the unmanned aerial vehicle is operated to lift through a remote controller, then the shell 602 is driven to synchronously lift along with the unmanned aerial vehicle through the lifting device 603, so that the camera assembly 604 is always kept at the same distance from the unmanned aerial vehicle, and the effect is recorded conveniently;
in the detection process, the camera assembly 604 operates, the heat source component works to heat the gas in the heat source box 6036, the air inlet fan 6053 operates, at the moment, one end of the tee joint connected with the heat source box 6036 is opened, hot air is extracted through the heat source inlet pipe 6054, the hot air enters the interior of the casing 602 through the heat source inlet pipe 6054 and then acts on the lens through the deicing channel 6052, the blown hot air can effectively blow off the water vapor on the lens, thereby effectively avoiding the accumulation of the water vapor and the icing of the lens surface, in addition, because the temperature in the interior of the casing is reduced, the camera assembly 604 has the condition of freezing damage, in the process of anti-icing, the hot air firstly passes through the interior of the casing 602, the temperature in the interior of the casing 602 can not be too low, thereby having good anti-freezing effect on the camera assembly 604 and avoiding the freezing damage of the interior components, in addition, in the process of operating the component 6, the air return pump 6063 operation, most gas that spouts the lens surface through deicing passageway 6052 can be inhaled back gas cover 6061 inside by breathing pipe 6062, then through air return pump 6063 and air return pipe 6064 reentrant heat source box 6036 inside reheating, the hot gas that can effectual reduction blow on the lens in this process diffuses the inside possibility of box, reduces the influence of lens anti-icing process to detecting environment, has guaranteed the accuracy that detects.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. A test platform for detecting unmanned aerial vehicle state is applied to unmanned aerial vehicle surface anti-icing test, includes:
the test box (1) comprises a box body and an openable sealing door;
the test platform (2) is arranged at the bottom of the inner wall of the box body and used for placing the unmanned aerial vehicle;
the refrigerating system (3) is arranged at the top of the box body, and the refrigerating system (3) acts on the interior of the box body and is used for adjusting the temperature of the interior of the box body;
the atomization system (4) is arranged on one side of the box body, extends into the box body and is used for adjusting the humidity in the box body;
the air pressure adjusting system (8) is arranged on one side of the box body, acts on the interior of the box body and is used for adjusting the air pressure in the box body;
the environment detection assembly is arranged inside the box body and used for detecting the environment inside the box body;
it is characterized by also comprising:
the shooting assembly (5) is arranged at the top of the inner wall of the box body and used for shooting the surface condition of the unmanned aerial vehicle;
video recording subassembly (6), set up in on the inner wall one side of box, be used for right unmanned aerial vehicle surface test process carries out real-time video recording:
the electrifying component (7) is arranged on the other side of the box body, is respectively connected with the shooting component (5) and the video recording component (6), and is used for electrifying the shooting component (5) and the video recording component (6);
wherein the video component (6) comprises:
a support plate (601);
a housing (602) disposed on the support plate (601);
the lifting device (603) is arranged on one side of the inner wall of the box body, is connected with the supporting plate (601) and is used for adjusting the position of the shell (602);
a camera assembly (604) disposed inside the housing (602);
an anti-icing mechanism (605) disposed inside the housing (602) and acting at the lens of the camera assembly (604) for preventing icing at the lens of the camera assembly (604);
a recovery part (606) arranged inside the housing (602) and acting on the lens of the camera assembly (604) for reducing the influence of the anti-icing mechanism (605) on the environment inside the box.
2. A test platform for detecting the status of a drone according to claim 1, characterized in that: elevating gear (603) include guide rail (6031), the inner wall of guide rail (6031) is provided with the latch that the equidistance distributes, the bar hole has all been seted up to the both sides of guide rail (6031), the surperficial sliding connection of guide rail (6031) has removal seat (6032), the inner wall of removal seat (6032) all rotates and is connected with pivot (6033), two the opposite side of pivot (6033) all runs through the bar hole extends to the inside of guide rail (6031), and two the opposite side fixedly connected with of pivot (6033) with latch intermeshing's gear (6034), remove seat (6032) through the bolt with backup pad (601) are articulated, one side of removing seat (6032) still is provided with the drive pivot (6033) pivoted motor case (6035).
3. A test platform for detecting the status of a drone according to claim 2, characterized in that: the top of the movable seat (6032) is also provided with a heat source box body (6036) used for supplementing heat, and a heat source component is arranged inside the heat source box body (6036).
4. A test platform for detecting the status of a drone according to claim 3, characterized in that: anti-icing mechanism (605) establishes including the cover camera subassembly (604) surperficial location section of thick bamboo (6051), admit air fan (6053) and heat source advance tub (6054), location section of thick bamboo (6051) inside deicing passageway (6052) of offering annular distribution, deicing passageway (6052) are close to one side opening orientation of lens the lens, admit air fan (6053) set up casing (602) is inside and keep away from one side of lens, the heat source advance tub (6054) with casing (602) is kept away from one side of lens is linked together, just heat source advance tub (6054) keep away from the one end of casing (602) pass through three way connection respectively with motor case (6035) with heat source box (6035) are linked together, just three way connection with motor case (6035) with the interface that heat source box (6035) are connected is provided with the solenoid valve.
5. A test platform for detecting the state of a drone according to claim 4, characterized in that: the recycling portion (606) is established including the cover the return air cover (6061) on a locating cylinder (6051) surface, return air cover (6061) is close to one side intercommunication of lens has breathing pipe (6062) of annular distribution, breathing pipe (6062) are kept away from the one end orientation of return air cover (6061) the lens slope, and breathing pipe (6062) set up one side of deicing passageway (6052), return air cover (6061) are kept away from one side of breathing pipe (6062) has return air pump (6063) through the trachea intercommunication, return air pump (6063) are kept away from tracheal one side intercommunication has return air pipe (6064), return air pipe (6064) also pass through three way connection with motor case (6035) and heat source box (6035) are linked together.
6. A test platform for detecting the status of a drone according to claim 2, characterized in that: the electrifying assembly (7) comprises a cable storage box (701), an electrifying cable (702), an electrifying plug (703), a paying-off mechanism (704) and a plurality of reversing pulleys (705), wherein the paying-off mechanism (704) is arranged in the cable storage box (701), the reversing pulleys (705) are arranged on one side of the box body and the corresponding inner wall, one end of the electrifying cable (702) penetrates through the inside of the cable storage box (701), sequentially penetrates through the paying-off mechanism (704) and the reversing pulleys (705) and is connected with the electrifying plug (703), and the electrifying plug (703) penetrates through the supporting plate (601) and the machine shell (602) and is spliced with the camera assembly (604).
7. A test platform for detecting the state of a drone according to claim 6, characterized in that: paying out machine structure (704) include spring pipe (7041) that a plurality of crisscross distribution in proper order, the inner wall of spring pipe (7041) is provided with spring (7042), the one end fixedly connected with ejector pin (7044) of spring (7042), ejector pin (7044) are kept away from one side of spring (7042) is provided with leading wheel (7043), the inboard of circular telegram cable (702) and leading wheel (7043) is laminated mutually.
8. A test platform for detecting the status of a drone according to claim 1, characterized in that: the top fixedly connected with locating plate (9) of removal seat (6032), the one end of circular telegram cable (702) run through locating plate (9) and with locating plate (9) fixed connection.
9. A test platform for detecting the status of a drone according to claim 1, characterized in that: the environment detection assembly comprises a temperature sensor, a humidity sensor and a pressure sensor which are arranged on the inner wall of the box body.
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| CN210465961U (en) * | 2019-03-20 | 2020-05-05 | 上海工程技术大学 | High and low temperature resistant camera protection device |
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| CN202471622U (en) * | 2012-02-23 | 2012-10-03 | 丹东华日理学电气有限公司 | X-ray digital panel imaging intelligent detection system device |
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