CN210437390U

CN210437390U - Many rotor unmanned aerial vehicle of water sampling

Info

Publication number: CN210437390U
Application number: CN201921363817.XU
Authority: CN
Inventors: 王中阁; 于跃
Original assignee: Shenzhen Zhouji Tonghang Investment Holdings Co ltd
Current assignee: Shenzhen Zhouji Tonghang Investment Holdings Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-01
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to an unmanned aerial vehicle water intaking technical field just discloses a many rotor unmanned aerial vehicle of water sampling, including quick-witted frame plate, sampling box and shaft coupling, the left end fixedly connected with pivot one of shaft coupling, the outer wall fixedly connected with conical gear one of pivot one, the fixed block of surface fixedly connected with under the top of sampling box, the bottom swing joint of fixed block has pivot two, the top outer wall fixedly connected with conical gear two of pivot two, the bottom fixedly connected with threaded rod of pivot two, the outer wall swing joint of threaded rod has the piston. Rotate through conical gear one and drive conical gear two and rotate, conical gear two rotates and drives two rotations of pivot, and two rotations of pivot drive the threaded rod and rotate, and the threaded rod produces the screw thread with the thread groove in the piston and rotates, drives the piston and upwards slides and blocks up two inlet tube packings to the good effect of sampling device leakproofness has been reached.

Description

Many rotor unmanned aerial vehicle of water sampling

Technical Field

The utility model relates to an unmanned aerial vehicle water intaking technical field specifically is a many rotor unmanned aerial vehicle of water sampling.

Background

China is vast in China and has a large number of natural lakes, wherein the area of the lakes is 2700 more than 1 square kilometer, the total area is about 9 ten thousand square kilometers, and in addition to the natural lakes with a large number, the China also has tens of thousands of artificial lakes on the China. Along with the reinforcing of people's environmental protection consciousness, also more and more frequently to the collection analysis of lake water sample, traditional water quality testing sampling often all is that the measurement personnel carry the instrument to rent the ship to the water area in the middle of the sample water, but can not be close to the lake sampling mankind that takes place the dangerization article pollution, rent this moment the artifical sample of ship will lead to the fact harm to sample personnel's healthy, current sample unmanned aerial vehicle can get into sample in the hazardous environment, unmanned aerial vehicle sampling device's leakproofness is poor at that time, when the flight is unstable, the water sample spills easily and leaks.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a many rotor unmanned aerial vehicle of water sampling possesses the good advantage of sampling device leakproofness, has solved the poor problem of current sample unmanned aerial vehicle sampling device leakproofness.

(II) technical scheme

For the good purpose of above-mentioned sampling device leakproofness of realization, the utility model provides a following technical scheme: a multi-rotor unmanned aerial vehicle for taking water samples comprises a frame plate, wherein the tops of two ends of the frame plate are fixedly connected with a first motor, the top of the first motor is movably connected with a spiral fan blade, the middle of the top of the frame plate is fixedly connected with a flight controller, the two ends of the bottom of the frame plate are fixedly connected with brackets, the bottoms of the two brackets are fixedly connected with transverse connecting rods, the middle of the bottom of the frame plate is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is movably connected with a sampling box, a baffle is fixedly connected between the inner walls of the sampling box, the top of the left side of the baffle is fixedly connected with a support, the top of the support is fixedly connected with a second motor, the left end of the second motor is fixedly connected with a coupler, the left end of the coupler is fixedly connected with a, the utility model discloses a sampling box, including sampling box, fixed block, bottom outer wall fixedly connected with bevel gear two, the bottom fixedly connected with threaded rod of pivot two, the outer wall swing joint of threaded rod has the piston, the latter half both sides of sampling box are all fixed the intercommunication and are had the inlet tube, fixedly connected with drain pipe between the top of sampling box and the baffle, the sampling box inner wall fixed mounting of inlet tube top has pressure sensor.

Preferably, the width of piston is greater than the diameter of inlet tube, and the piston can be plugged up two inlet tubes when upwards sliding to inlet tube department, does not let the water of sample spill through the inlet tube.

Preferably, an output shaft is fixedly connected between the second motor and the coupler, and the output shaft outputs the power of the second motor to the coupler and transmits the power to the first rotating shaft through the coupler.

Preferably, a signal wire is inserted into the electric telescopic rod, the signal wire in the electric telescopic rod is connected with the second motor and the flight controller, and a control signal of the flight controller is transmitted to the second motor to control the second motor.

Preferably, the piston is rubber products, and the rubber is good with the inner wall sliding connection leakproofness of sampling case the latter half, can not make the water sample of getting in the frame board leak.

Preferably, the piston is internally provided with a thread groove, and the thread groove in the piston drives the piston to slide up and down by performing thread motion with a threaded rod, so that the water inlet pipe is blocked.

Preferably, the contact positions of the fixed block, the second rotating shaft and the first rotating shaft are provided with grooves, the opening positions of the grooves are small, the first rotating shaft and the second rotating shaft are limited in the grooves to rotate, and therefore the first rotating shaft and the second rotating shaft cannot be separated from the fixed block.

Preferably, the drain pipe is used for pouring the water sample in the sample tank when unmanned aerial vehicle flies back to the ground, and the diameter of drain pipe is less, can not spill when jolting on the way in flight.

Preferably, the electric telescopic rod can stretch out and draw back when the sampling box enters the water surface, so that the sampling box enters a deeper water area for sampling.

Preferably, pressure sensor and inlet tube are located same water flat line, when the piston slided to the shutoff and stops two inlet tubes, and pressure sensor transmits feedback signal and makes its stall for motor two, and the piston no longer rises, keeps stopping up the state of inlet tube.

(III) advantageous effects

Compared with the prior art, the utility model provides a many rotor unmanned aerial vehicle of water sampling possesses following beneficial effect:

1. this many rotor unmanned aerial vehicle of water sampling, it rotates the drive shaft coupling through two motors and rotates, the shaft coupling rotates and drives a pivot and rotates, a pivot rotation drives a bevel gear and rotates, a bevel gear rotates and drives two rotations of bevel gear, two rotations of bevel gear drive pivot two rotations, two rotations of pivot drive threaded rod rotate, threaded rod and the threaded groove in the piston produce the screw thread and rotate, it upwards slides to drive the piston, two stall of motor when the piston slides to blocking up two inlet tubes, the piston blocks up the back with two inlet tubes, just can not leak away the water in the sampling box, the diameter of drain pipe is very little simultaneously, thereby the good effect of sampling device leakproofness has been reached.

2. This many rotor unmanned aerial vehicle of water sampling, the latter half through with the sampling case designs into squarely, designs into the piston and can follow the gliding square slider of sampling incasement wall in sampling case the latter half, and the piston can not rotate along with the threaded rod when can making threaded rod and piston produce the screw thread and rotate together, because the piston is square not the circular shape can not rotate to reached when threaded rod and piston produce the screw thread rotation the piston can carry out gliding effect from top to bottom along the latter half inner wall of sampling case.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the sampling device of the present invention;

fig. 3 is a schematic view of a part of the structure of the fixing block of the present invention.

In the figure: the device comprises a frame plate 1, a motor I2, a spiral fan blade 3, a flight controller 4, a support 5, a transverse connecting rod 6, an electric telescopic rod 7, a sampling box 8, a baffle 9, a support 10, a motor II 11, a coupler 12, a rotating shaft I13, a conical gear I14, a fixed block 15, a rotating shaft II 16, a conical gear II 17, a threaded rod 18, a piston 9, a water inlet pipe 20, a water outlet pipe 21 and a pressure sensor 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a multi-rotor unmanned aerial vehicle for taking water samples comprises a frame plate 1, wherein the tops of two ends of the frame plate 1 are fixedly connected with a motor 2, the top of the motor 2 is movably connected with a spiral fan blade 3, the spiral fan blade 3 provides flight power for the unmanned aerial vehicle to drive the unmanned aerial vehicle to fly, the middle of the top of the frame plate 1 is fixedly connected with a flight controller 4, the flight controller 4 is a flight control system and receives a ground command signal and sends commands to each part of the unmanned aerial vehicle, two ends of the bottom of the frame plate 1 are fixedly connected with brackets 5, the bottoms of the two brackets 5 are fixedly connected with a transverse connecting rod 6, the middle of the bottom of the frame plate 1 is fixedly connected with an electric telescopic rod 7, the electric telescopic rod 7 can be stretched when the sampling box 8 enters the water surface, so that the sampling box 8 enters deeper water area for sampling, a, a signal wire in the electric telescopic rod 7 is connected with a motor II 11 and a flight controller 4, a control signal of the flight controller 4 is transmitted to the motor II 11 to control the motor II 11, the bottom of the electric telescopic rod 7 is movably connected with a sampling box 8, the lower half part of the sampling box 8 is in a square shape, a piston 19 is also in a square shape, if the piston 19 and a water inlet pipe 20 are both in a round shape, the piston 19 can also rotate in the rotating process of a threaded rod 18 and can not slide up and down, a baffle plate 9 is fixedly connected between the inner walls of the sampling box 8, the top of the left side of the baffle plate 9 is fixedly connected with a support 10, the top of the support 10 is fixedly connected with a motor II 11, the left end of the motor II 11 is fixedly connected with a coupler 12, an output shaft is fixedly connected between the motor II 11 and the coupler 12, the output shaft outputs the power of, the left end of the coupler 12 is fixedly connected with a first rotating shaft 13, the outer wall of the first rotating shaft 13 is fixedly connected with a first conical gear 14, the lower surface of the top of the sampling box 8 is fixedly connected with a fixed block 15, the fixed block 15 plays a role in fixedly supporting the first rotating shaft 13 and a second rotating shaft 16, the contact part of the fixed block 15, the second rotating shaft 16 and the first rotating shaft 13 is provided with a groove, the opening of the groove is small, the first rotating shaft 13 and the second rotating shaft 16 are limited in the groove to rotate, so that the first rotating shaft 13 and the second rotating shaft 16 cannot be separated from the fixed block 15, the bottom of the fixed block 15 is movably connected with a second rotating shaft 16, the contact part of the second rotating shaft 16 and the baffle 9 is provided with a sealing ring, so that a water sample cannot enter the position of the second motor 11 and cannot get wet the second motor 11, the normal operation of the, the outer wall swing joint of threaded rod 18 has piston 19, the internally mounted of piston 19 has the thread groove, the thread groove in the piston 19 drives piston 19 to slide from top to bottom through carrying on the screw motion with threaded rod 18, and then realize the shutoff to inlet tube 20, piston 19 is the rubber goods, rubber and the inner wall sliding connection leakproofness of sampling case 8 the latter half, can not make the water sample of getting in the frame board 1 leak, the width of piston 19 is greater than the diameter of inlet tube 20, piston 19 can block two inlet tubes 20 when upwards sliding to inlet tube 20 department, let the water of sample leak through inlet tube 20, the latter half both sides of sampling case 8 all fixed intercommunication have inlet tube 20, inlet tube 20 sets up in sampling case 8 bottom, because the bottom of sampling case 8 contacts with the surface of water at first, if inlet tube 20 sets up in other places, sampling case 8 can not sink to the surface of water owing to the buoyancy that receives water, fixedly connected with drain pipe 21 between sampling box 8's top and baffle 9, drain pipe 21 is used for pouring out the water sample in the sampling box 8 when unmanned aerial vehicle flies back to ground, drain pipe 21's diameter is less, can not spill when jolting on the way in flight, 8 inner wall fixed mounting of sampling box above inlet tube 20 have pressure sensor 22, pressure sensor 22 can slide on piston 19 and send feedback signal for two 11 motors when blocking inlet tube 20, make two 11 stall of motor, and then make piston 19 not slide and make its blocking up inlet tube 20.

The working principle is that when a water sample needs to be taken, the unmanned aerial vehicle is started, the spiral fan blade 3 is driven to rotate through the rotation of the motor I2 to drive the unmanned aerial vehicle to fly to an area where the water sample needs to be taken, the unmanned aerial vehicle hovers above the water surface, the electric telescopic rod 7 slowly extends downwards to drive the sampling box 8 to enter the water surface, the piston 19 is positioned below the water inlet pipe 20 at the moment, sampled water enters the sampling box 8 through the two water inlet pipes 20, the electric telescopic rod 7 continues to extend downwards until the water in the sampling box 8 is filled, at the moment, the motor II 11 is controlled to rotate through the flight controller 4, the motor II 11 rotates to drive the coupler 12 to rotate, the coupler 12 rotates to drive the rotating shaft I13 to rotate, the rotating shaft I13 rotates to drive the conical gear I14 to rotate, the conical gear I14 rotates to drive the conical gear II 17, two 16 rotations of pivot drive threaded rod 18 rotate, threaded groove in threaded rod 18 and the piston 19 produces the screw thread and rotates, drive piston 19 upwards slides, pressure sensor 22 sends feedback signal for two 11 stop rotations of motor when piston 19 slides to blocking up two inlet tube 20, piston 19 blocks up the back with two inlet tube 20, the water in the sampling box 8 just can not leak out, then unmanned aerial vehicle takes the water of sample to fly back to the land, take off sampling box 8 from electric telescopic handle 7, pour out the extraction work of water sample promptly through drain pipe 21.

In conclusion, the multi-rotor unmanned aerial vehicle for taking water samples drives the coupler 12 to rotate through the rotation of the second motor 11, the first coupler 12 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 drives the first conical gear 14 to rotate, the first conical gear 14 drives the second conical gear 17 to rotate, the second conical gear 17 drives the second rotating shaft 16 to rotate, the second rotating shaft 16 drives the threaded rod 18 to rotate, the threaded rod 18 and a threaded groove in the piston 19 generate threaded rotation to drive the piston 19 to slide upwards, the second motor 11 stops rotating when the piston 19 slides to block the two water inlet pipes 20, after the piston 19 blocks the two water inlet pipes 20, water in the sampling box 8 cannot leak out, meanwhile, the diameter of the water outlet pipe 21 is small, and therefore the good sealing effect of the sampling device is achieved; through designing the latter half of sampling case 8 into squarely, design piston 19 into can be at sampling case 8 the latter half along the gliding square slider of sampling case 8 inner wall, piston 19 can not rotate along with threaded rod 18 when can making threaded rod 18 and piston 19 produce the screw thread and rotate together, because piston 19 is square not circular shape can not rotate, thereby reached when threaded rod 18 and piston 19 produce the screw thread and rotate piston 19 can carry out gliding effect from top to bottom along the latter half inner wall of sampling case 8.

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

1. The utility model provides a many rotor unmanned aerial vehicle of water sampling, includes frame plate (1), its characterized in that: the top parts of the two ends of the frame plate (1) are fixedly connected with a first motor (2), the top part of the first motor (2) is movably connected with a spiral fan blade (3), the middle part of the top part of the frame plate (1) is fixedly connected with a flight controller (4), the two ends of the bottom part of the frame plate (1) are fixedly connected with supports (5), the bottom parts of the two supports (5) are fixedly connected with a transverse connecting rod (6), the middle part of the bottom part of the frame plate (1) is fixedly connected with an electric telescopic rod (7), the bottom part of the electric telescopic rod (7) is movably connected with a sampling box (8), a baffle (9) is fixedly connected between the inner walls of the sampling box (8), the top part of the left side of the baffle (9) is fixedly connected with a support (10), the top part of the support (10) is fixedly connected with a second motor (11), and the left, a first rotating shaft (13) is fixedly connected at the left end of the coupler (12), a first conical gear (14) is fixedly connected to the outer wall of the first rotating shaft (13), the lower surface of the top of the sampling box (8) is fixedly connected with a fixed block (15), the bottom of the fixed block (15) is movably connected with a second rotating shaft (16), the outer wall of the top of the second rotating shaft (16) is fixedly connected with a second conical gear (17), the bottom of the second rotating shaft (16) is fixedly connected with a threaded rod (18), the outer wall of the threaded rod (18) is movably connected with a piston (19), both sides of the lower half part of the sampling box (8) are fixedly communicated with water inlet pipes (20), a drain pipe (21) is fixedly connected between the top of the sampling box (8) and the baffle plate (9), and a pressure sensor (22) is fixedly arranged on the inner wall of the sampling box (8) above the water inlet pipe (20).

2. The multi-rotor unmanned aerial vehicle of claim 1, wherein: the width of the piston (19) is larger than the diameter of the water inlet pipe (20).

3. The multi-rotor unmanned aerial vehicle of claim 1, wherein: an output shaft is fixedly connected between the second motor (11) and the coupler (12).

4. The multi-rotor unmanned aerial vehicle of claim 1, wherein: the electric telescopic rod (7) is internally inserted with a signal wire.

5. The multi-rotor unmanned aerial vehicle of claim 1, wherein: the piston (19) is a rubber article.

6. The multi-rotor unmanned aerial vehicle of claim 1, wherein: the piston (19) is internally provided with a thread groove.

7. The multi-rotor unmanned aerial vehicle of claim 1, wherein: and grooves are formed in the contact positions of the fixed block (15) and the second rotating shaft (16) and the first rotating shaft (13).