CN106525493B - Unmanned aerial vehicle for taking water sample and water taking method - Google Patents
Unmanned aerial vehicle for taking water sample and water taking method Download PDFInfo
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- CN106525493B CN106525493B CN201611062005.2A CN201611062005A CN106525493B CN 106525493 B CN106525493 B CN 106525493B CN 201611062005 A CN201611062005 A CN 201611062005A CN 106525493 B CN106525493 B CN 106525493B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 title claims description 10
- 230000006698 induction Effects 0.000 claims abstract description 59
- 238000004804 winding Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000005070 sampling Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
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Abstract
The invention provides an unmanned aerial vehicle for taking water samples, which comprises an unmanned aerial vehicle main body, a turntable, an inductor, a water taking motor, an induction seat, a water taking kettle and a main control board, and is characterized in that: the main control board sets up the inside at the unmanned aerial vehicle main part, the lower extreme of unmanned aerial vehicle main part is provided with an installation box, and carousel, inductor and water intaking motor all set up in the installation box, and the carousel passes through the motor shaft to be connected with the water intaking motor, is provided with winding wire in the carousel, and the water intaking kettle passes through the induction seat setting at the lower extreme of installation box and is connected with the carousel through winding wire, the bottom of installation box is provided with the hollow spliced pole with columniform, and the inductive head of inductor passes the diapire setting of installation box in the outside of hollow spliced pole, and the inductor corresponds with the position of induction seat. According to the invention, the lifting water taking kettle hung by the winding wire is arranged on the unmanned aerial vehicle, and the water taking motor is used for driving the turntable to take up and pay off so as to automatically collect the water sample.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for taking water samples and a water taking method.
Background
At present, the water environment monitoring in China mainly comprises on-line monitoring and manual monitoring. The online monitoring is carried out by establishing a fixed online monitoring station, so that the real-time water quality data monitoring is carried out, the cost is high, and the online monitoring cannot be widely applied in a large range; the manual monitoring is used as a main monitoring mode, and mainly depends on a large number of field samples, and the water quality is manually measured in a laboratory, so that the method has the advantages of high flexibility, wide operable range and the like. For wide water areas, the water quality of the water is required to be sampled and detected, the water needs to reach a designated water area first and then the water sample is collected for further detection, and at present, the water sample is collected at fixed points in the wide water area with a certain difficulty, the work efficiency is low due to the lack of efficient sampling tools, the traditional manual sampling method mainly drives into a sampling area through a driving ship or a yacht and the like for manual sampling, and the method has high cost and low efficiency, and is inconvenient for manual sampling due to various sampling environments.
Unmanned aerial vehicles have been widely used in the fields of aerial photography, medicine spraying and the like at present, but are not applied to the aspect of automatic water sample collection, so that it is necessary to design unmanned aerial vehicle equipment which can quickly reach a specified water area and can automatically take water.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a drone that can quickly reach a designated area of water for water intake.
The technical scheme adopted by the invention is as follows: an unmanned aerial vehicle for taking water sample, includes unmanned aerial vehicle main part, carousel, inductor, water intaking motor, induction seat, water intaking kettle and main control board, its characterized in that: the main control board sets up the inside at the unmanned aerial vehicle main part, the lower extreme of unmanned aerial vehicle main part is provided with an installation box, and carousel, inductor and water intaking motor all set up in the installation box, and the carousel passes through the motor shaft to be connected with the water intaking motor, is provided with winding wire in the carousel, and the water intaking kettle passes through the induction seat setting at the lower extreme of installation box and is connected with the carousel through winding wire, the bottom of installation box is provided with the hollow spliced pole with columniform, and the inductive head of inductor passes the diapire setting of installation box in the outside of hollow spliced pole, and the inductor corresponds with the position of induction seat.
Furthermore, the unmanned aerial vehicle main body comprises a plurality of fixed wings, and the fixed wings are uniformly arranged in a surrounding mode to form a circular structure.
Further, two optional support frames are arranged at the two sides of the installation box at the lower end of the unmanned aerial vehicle main body.
Further, a GPS (global positioning system) locator is arranged at the top end of the unmanned aerial vehicle main body and used for GPS positioning.
Further, the mounting box is of a square structure, the mounting box is divided into three areas averagely through two partition boards, the water taking control area is located in the middle of the mounting box, the battery bins are arranged on two sides of the water taking control area, and the battery is connected with the main control board, the sensor and the water taking motor respectively.
Further, be provided with bellied cone-shaped connector in the cavity spliced pole, cone-shaped connector enables induction seat and cavity spliced pole quick location and zonulae occludens.
Further, a plurality of through holes are formed in the middle of the rotary table, the through holes are used for fixing one end of the winding wire, a rotary table protective cover is additionally arranged on the outer ring of the rotary table to prevent the winding wire from being separated from the rotary table, and the winding wire is sealed in the winding groove by the rotary table protective cover.
Further, the inductor is an infrared inductor, the inductor comprises an emitter and a receiver, two inductors are arranged, and when any one of the two inductors senses that the induction seat is in, an instruction is sent to enable the water taking motor to stop rotating.
Further, the induction seat comprises a connection clamping seat, a rotary clamping head and an induction head ring, wherein the connection clamping seat is of a flat square structure, one side of the connection clamping seat is internally provided with a long fixing groove, the fixing groove is used for being clamped into a connector at the upper end of the water taking kettle, the rotary clamping head is rotatably fixed above the fixing groove through a rotary shaft, an arc clamping groove is formed in the lower side of the rotary clamping head, a clamping column is arranged at the position of the lower side of the fixing groove corresponding to the clamping groove of the rotary clamping head, the clamping groove can be clamped into the clamping column when the rotary clamping head rotates downwards, the induction head ring is connected above the connection clamping seat, the induction head ring is of a cylinder shape and is directly larger than the diameter of a hollow connecting column, the inside of the induction head ring is arranged into a conical shape which is sunken downwards, and the size of the conical shape is matched with the size of the conical connector.
Further, the water taking kettle comprises a handle and a kettle body, the handle is arranged at the upper end of the kettle body, the width of the handle is smaller than that of a fixing groove on the induction seat, the handle is clamped into the fixing groove to be capable of being connected with the handle and the fixing groove quickly, a movable door cover is arranged at the top of the kettle body, a water inlet hole and a movable pressing plate are arranged at the bottom of the kettle body, the diameter of the movable pressing plate is larger than that of the water inlet hole, the movable pressing plate is covered above the water inlet hole, four 7-shaped blocking pieces are arranged around the movable pressing plate, the four 7-shaped blocking pieces form a cylindrical movable area, and the movable pressing plate is limited to move in the movable area.
Furthermore, the kettle body is made of glass materials or acrylic materials with high water adhesiveness.
Another object of the present invention is to provide a water intake method of an unmanned aerial vehicle, comprising the following steps:
(1) And (5) installing and taking a kettle: taking a kettle with a corresponding size, clamping a handle of the kettle into a fixed groove of an induction seat, then rotating a rotary clamping head to be fixed with a clamping column, thereby fixing the kettle with the induction seat, and fastening one end of a winding wire to the induction seat;
(2) Flying to a specified position: the unmanned aerial vehicle body is controlled by the remote control equipment to position the specified water taking position by the GPS, the unmanned aerial vehicle body is a safe distance of about 2-5 meters away from the water taking surface, and then the unmanned aerial vehicle body remains hovering;
(3) Releasing the water taking kettle to take water: the remote control sends out a control instruction to take water, the water taking motor rotates positively to drive the winding wire on the turntable to release slowly, so that the water taking kettle automatically descends to a specified water surface setting depth to finish taking water; when the kettle body enters the water surface, the movable pressing plate leaves the bottom surface of the kettle body under the action of buoyancy of the water surface to open the water inlet hole, water enters the container, when the kettle body continuously enters the underwater depth, the movable door cover is automatically opened under the action of buoyancy after contacting the water surface, the kettle body becomes a bottom water inlet container, the top water is discharged from the automatic dynamic water taking container, the kettle body automatically rises after reaching the set water depth, the movable door cover at the top of the kettle body is automatically closed under the action of water pressure, the bottom movable pressing plate is automatically attached to the movable pressing plate of the kettle body to close the water inlet hole, water sample collection is finished, and the water sample in the kettle body is kept in a static state;
(4) The locking kettle flies back: the automatic reverse rotation of water intaking motor is received the revolving disk with the winding wire after the automatic water intaking, and the water intaking kettle slowly rises, and the back is connected with the cavity spliced pole to the water intaking kettle location card is steady, and the inductor enters into between the transmitter and the receiver of two inductors this moment, and the inductor sends instruction drive water intaking motor and stops rotating to the locking water intaking motor, the water intaking kettle is received the unmanned aerial vehicle bottom this moment, realizes getting kettle and unmanned aerial vehicle main part and becomes an integer, guarantees the flight safety that returns, can operate unmanned aerial vehicle main part subassembly and fly back the flying spot, accomplishes water intaking operation.
Compared with the prior art, the lifting water taking kettle hung by the winding wire is arranged on the unmanned aerial vehicle, the purpose of automatically collecting the water sample is achieved by utilizing the water taking motor to drive the turntable to take up and pay off wires, and meanwhile, the sensor is also arranged for judging whether the water taking kettle returns correctly after sampling, so that the water taking kettle and the unmanned aerial vehicle main body are integrated, the safety of the return flight is ensured, and the working efficiency is effectively improved. The invention can collect water with different depths through program setting, is convenient and reliable to use, and effectively solves the defect that water samples are inconvenient to collect in wide water areas.
Drawings
Fig. 1 is a schematic structural view of an unmanned aerial vehicle for taking water samples according to the invention;
FIG. 2 is a schematic view of the mounting case of FIG. 1;
FIG. 3 is a state diagram of the use of the unmanned aerial vehicle for taking water samples according to the present invention;
FIG. 4 is a schematic view of the structure of the induction seat shown in FIG. 1;
fig. 5 is a schematic view of the water bottle of fig. 1.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
As shown in fig. 1 and 2, an unmanned aerial vehicle for taking water sample comprises an unmanned aerial vehicle main body 1, a turntable 2, an inductor 3, a water taking motor 4, an induction seat 5, a water taking kettle 6 and a main control board (not shown), wherein the main control board is arranged in the unmanned aerial vehicle main body 1 and used for controlling the flight of the unmanned aerial vehicle main body 1 and the work of the water taking motor 4, the lower end of the unmanned aerial vehicle main body 1 is provided with an installation box 11, the turntable 2, the inductor 3 and the water taking motor 4 are all arranged in the installation box 11, the turntable 2 is connected with the water taking motor 4 through a motor shaft, a winding wire 23 is arranged in the turntable 2, and the water taking kettle 6 is arranged at the lower end of the installation box 11 through the induction seat 5 and is connected with the turntable 2 through the winding wire 23.
The unmanned aerial vehicle main body 1 includes a plurality of fixed wings 12, and a plurality of fixed wings 12 evenly encircle the setting and constitute a circular structure, and the both sides that unmanned aerial vehicle main body 1 lower extreme is located mounting box 11 are provided with two optional support frames 13 for support when unmanned aerial vehicle main body 1 falls to the ground is fixed, and the top of unmanned aerial vehicle main body 1 is provided with GPS locator 14 for carry out GPS location.
The installation box 11 is of a square structure, the installation box 11 is divided into three areas averagely by two partition boards (not shown) in the installation box 11, a water taking control area 111 is arranged in the middle of the installation box, battery bins 112 are arranged on two sides of the water taking control area 111, batteries 113 are arranged in the battery bins 112, and the batteries 113 are respectively connected with the main control board, the sensor 3 and the water taking motor 4 and are used for respectively supplying power to the main control board, the sensor 3 and the water taking motor 4; the bottom end of the mounting box 11 is provided with a hollow connecting column 15 which is cylindrical, the induction head of the inductor 3 passes through the bottom wall of the mounting box 11 and is arranged at the outer side of the hollow connecting column 15, and the inductor 3 corresponds to the induction seat 5 in position; further, in order to enhance the tightness of the butt joint between the induction seat 5 and the hollow connecting column 15, a raised conical connector 151 is provided in the hollow connecting column 15, and the conical connector 151 can enable the induction seat 5 to be rapidly positioned and tightly connected with the hollow connecting column 15, so that the connection precision is improved.
The turntable 2 is of a wheel type structure, a winding groove (not shown in the figure) which is concave inwards is formed in the turntable 2 and is used for winding a winding wire 23, a plurality of through holes 21 are formed in the middle of the turntable 2, the through holes 21 are used for fixing one end of the winding wire 23, in order to prevent the winding wire 23 from being separated from the turntable, a turntable protective cover 22 is additionally arranged on the outer ring of the turntable 2, and the winding wire 23 is sealed in the winding groove by the turntable protective cover 22 so as to prevent the winding wire 23 from loosening, falling off or winding and knotting.
The inductor 3 is used for detecting whether the induction seat 5 is connected with the hollow connecting column 15, the inductor 3 is an infrared inductor, and the inductor 3 comprises a transmitter and a receiver. When the water taking kettle 6 is reset, the induction seat 5 is positioned between the emitter and the receiver, the receiver cannot receive infrared signals, namely, an instruction is sent to drive the water taking motor 4 to stop rotating, and the water taking kettle 6 is reset successfully. In order to improve stability, two sensors 3 are provided, and when any one of the two sensors 3 senses that the induction seat 5 is in, an instruction is sent to stop the water intake motor 4.
The water intake motor 4 is used for driving the turntable 2 to collect and release the winding wire 23, and the water intake motor 4 can rotate forward and backward to collect and release the winding wire 23.
The induction seat 5 is used for fast connecting and fixedly connecting the water intake kettle 6 with the unmanned aerial vehicle main body 1, as shown in fig. 4, the induction seat 5 comprises a connecting clamping seat 51, a rotary clamping head 52 and an induction head ring 53, the connecting clamping seat 51 is of a flat square structure, one side of the connecting clamping seat 51 is internally provided with a long fixing groove 511, the fixing groove 511 is used for being clamped into a connector at the upper end of the water intake kettle 6 so as to be connected with the water intake kettle 6, the rotary clamping head 52 is rotatably fixed above the fixing groove 511 through a rotary shaft, an arc clamping groove 521 is arranged at the lower side of the rotary clamping head 52, the lower part of the fixed slot 511 corresponds to the clamping groove 521 of the rotary clamping head 52, a clamping column 54 is arranged at the position of the clamping groove 521, the clamping groove 521 can be clamped on the clamping column 54 when the rotary clamping head 52 rotates downwards, the fixed slot 511 can be closed to play a locking role, and then the water taking kettle 6 is quickly connected with the induction seat 5, the induction head ring 53 is connected above the connection clamping seat 51, the induction head ring 53 is cylindrical and is directly larger than the diameter of the hollow connecting column 15, the induction head ring 53 is used for being connected with the hollow connecting column 15, the inside of the induction head ring 53 is arranged into a conical shape which is sunken downwards, and the size of the conical shape is matched with the size of the conical connector 151, so that good connection precision is achieved.
The water taking kettle 6 is used for extracting a water sample, as shown in fig. 5, the water taking kettle 6 comprises a handle 61 and a kettle body 62, the handle 61 is arranged at the upper end of the kettle body 62, the width of the handle 61 is smaller than that of a fixed groove 511 on the induction seat 5, a horizontal bar 61 is clamped into the fixed groove 511 to connect the handle 61 and the fixed groove 511 quickly, a movable door cover 621 is arranged at the top of the kettle body 62, a water inlet hole 622 and a movable pressing plate 326 are arranged at the bottom of the kettle body 62, the diameter of the movable pressing plate 326 is larger than that of the water inlet hole 622, the movable pressing plate 326 is covered above the water inlet hole 622, four 7-shaped blocking pieces 624 are arranged around the movable pressing plate 326, the four 7-shaped blocking pieces 624 form a cylindrical movable area, the movable pressing plate 326 is limited to move in the movable area, and in order to ensure the air tightness of the water taking kettle 6 and prevent water leakage, and the material of the kettle body 62 is made of glass material or acrylic material with high water adhesion; when the kettle body 62 enters the water surface, the movable pressing plate 623 leaves the bottom surface of the kettle body 62 under the action of water surface buoyancy to open the water inlet hole 622, water enters the container, the movable door cover 621 at the top of the kettle is in a normally closed state, when the kettle body 62 continuously enters the underwater depth, the movable door cover 621 is automatically opened under the action of buoyancy after contacting the water surface, the kettle body 62 becomes a bottom water inlet and top water outlet automatic dynamic water taking container, after the kettle body 62 reaches the set water depth, the kettle body 62 automatically rises, the movable door cover at the top of the kettle body 62 is automatically closed under the action of water pressure, the bottom movable pressing plate automatically clings to the movable pressing plate 326 of the kettle body 62 to close the water inlet hole 622, water sample collection is finished, and the water sample in the kettle body 62 is kept in a static state.
The method for taking water based on the unmanned aerial vehicle provided by the invention comprises the following steps:
1. installing and taking a kettle: taking a water taking kettle 6 with a corresponding size, clamping a handle 61 of the water taking kettle into a fixed groove 511 of the induction seat 5, then rotating a rotary clamping head 52 to be fixed with a clamping column 54, thereby fixing the water taking kettle 6 with the induction seat 5, and fastening one end of a winding wire 23 on the induction seat 5;
2. flying to a specified position: the unmanned aerial vehicle body 1 is controlled by remote control equipment to position the unmanned aerial vehicle body 1 by a GPS to fly to a specified water taking position, the unmanned aerial vehicle body 1 is a safe distance of about 2-5 meters away from a water taking surface, and then the unmanned aerial vehicle body 1 remains hovering;
3. releasing the water taking kettle to take water: the remote control sends out a control instruction to enable the water taking motor 4 to rotate forward to drive the winding wire 23 on the turntable 2 to release slowly, so that the water taking kettle 6 automatically descends to a specified water surface setting depth to finish water taking; when the kettle body 62 enters the water surface, the movable pressing plate 623 leaves the bottom surface of the kettle body 62 under the action of the buoyancy of the water surface to open the water inlet hole 622, when the kettle body 62 continuously enters the underwater depth, the movable door cover 621 automatically opens under the action of the buoyancy after contacting the water surface, at this time, the kettle body 62 becomes an automatic dynamic water taking container for water at the bottom and water at the top, after the kettle body 62 reaches the set water depth, the kettle body 62 automatically rises, the movable door cover at the top of the kettle body 62 is automatically closed under the action of the water pressure, the movable pressing plate at the bottom automatically contacts the movable pressing plate 326 of the kettle body 62 to close the water inlet hole 622, the water sample collection is finished, and the water sample in the kettle body 62 is kept in a static state;
4. the locking kettle flies back: the automatic water intake back water intaking motor 4 is automatic to be reversed and will twine wire 23 and withdraw carousel 2, water intaking kettle 6 slowly rises, after the induction seat 5 is connected with cavity spliced pole 15, water intaking kettle 6 location card is steady, induction seat 5 enters into between the transmitter and the receiver of two inductors 3 this moment, inductor 3 sends instruction drive water intaking motor 4 and stops rotating promptly, and lock water intaking motor 4, water intaking kettle 6 withdraws unmanned aerial vehicle bottom this moment, realize getting kettle and unmanned aerial vehicle main part and become a whole, ensure the flight safety of returning, can operate unmanned aerial vehicle main part 1 subassembly and fly back the flying spot, accomplish water intaking operation.
The invention has simple structure and novel design, the lifting water taking kettle hung by the winding wire is arranged on the unmanned aerial vehicle, the purpose of automatically collecting the water sample is achieved by utilizing the water taking motor to drive the turntable to take up and pay off wires, and meanwhile, the sensor is also arranged for judging whether the water taking kettle returns correctly after sampling, so that the water taking kettle and the unmanned aerial vehicle main body are integrated, the safety of the return flight is ensured, and the working efficiency is effectively improved. The invention can collect water with different depths through program setting, is convenient and reliable to use, and effectively solves the defect that water samples are inconvenient to collect in wide water areas.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (5)
1. An unmanned aerial vehicle for taking water sample, includes unmanned aerial vehicle main part (1), carousel (2), inductor (3), water intaking motor (4), induction seat (5), water intaking kettle (6) and main control board, its characterized in that: the main control board is arranged in the unmanned aerial vehicle main body (1), an installation box (11) is arranged at the lower end of the unmanned aerial vehicle main body (1), the rotary table (2), the inductor (3) and the water taking motor (4) are all arranged in the installation box (11), the rotary table (2) is connected with the water taking motor (4) through a motor shaft, a winding wire (23) is arranged in the rotary table (2), the water taking kettle (6) is arranged at the lower end of the installation box (11) through the induction seat (5) and is connected with the rotary table (2) through the winding wire (23), a hollow connecting column (15) is arranged at the bottom end of the installation box (11), an induction head of the inductor (3) penetrates through the bottom wall of the installation box (11) and is arranged at the outer side of the hollow connecting column (15), and the inductor (3) corresponds to the position of the induction seat (5).
A raised conical connector (151) is arranged in the hollow connecting column (15), and the conical connector (151) can enable the induction seat (5) to be rapidly positioned and tightly connected with the hollow connecting column (15);
a plurality of perforations (21) are formed in the middle of the turntable (2), the perforations (21) are used for fixing one end of a winding wire (23), and in order to prevent the winding wire (23) from being separated from the turntable, a turntable protective cover (22) is additionally arranged on the outer ring of the turntable (2), and the turntable protective cover (22) is used for sealing the winding wire (23) in a winding groove;
the two sensors (3) are arranged, and when any one of the two sensors (3) senses the induction seat (5) to enter, an instruction is sent to enable the water taking motor (4) to stop rotating;
the induction seat (5) comprises a connecting clamping seat (51), a rotary clamping head (52) and an induction head ring (53), wherein the connecting clamping seat (51) is of a flat square structure, one side of the connecting clamping seat (51) is internally provided with a long fixing groove (511), the fixing groove (511) is used for being clamped into a connector at the upper end of the water taking kettle (6), the rotary clamping head (52) is rotatably fixed above the fixing groove (511) through a rotating shaft, an arc-shaped clamping groove (521) is formed in the lower side of the rotary clamping head (52), a clamping column (54) is arranged below the fixing groove (511) corresponding to the clamping groove (521) of the rotary clamping head (52), the clamping groove (521) can be clamped into the clamping column (54) when the rotary clamping head (52) rotates downwards, the induction head ring (53) is connected above the connecting clamping seat (51), the induction head ring (53) is of a cylindrical shape and is directly larger than the diameter of the hollow connecting column (15), the inside of the induction head ring (53) is arranged to be in a conical shape, and the inside of the induction head ring (53) is matched with the conical shape in size and small and large and small.
The water taking kettle (6) comprises a lifting handle (61) and a kettle body (62), the lifting handle (61) is arranged at the upper end of the kettle body (62), the width of the lifting handle (61) is smaller than that of a fixing groove (511) on the induction seat (5), a horizontal bar is clamped into the fixing groove (511) to be capable of being quickly connected with the fixing groove, a movable door cover (621) is arranged at the top of the kettle body (62), a water inlet hole (622) and a movable pressing plate (326) are arranged at the bottom of the kettle body (62), the diameter of the movable pressing plate (326) is larger than that of the water inlet hole (622), the movable pressing plate (326) covers the upper portion of the water inlet hole (622), four 7-shaped blocking pieces (624) are arranged around the movable pressing plate (326), and the four 7-shaped blocking pieces (624) form a cylindrical movable area to limit the movable pressing plate (326) to move in the movable area.
2. The unmanned aerial vehicle for taking water of claim 1, wherein: the top of unmanned aerial vehicle main part (1) is provided with GPS locator (14) for carry out GPS location.
3. The unmanned aerial vehicle for taking water of claim 1, wherein: the installation box (11) is of a square structure, the installation box (11) is divided into three areas by two partition boards, the water taking control area (111) is arranged in the middle of the installation box (11), the battery bins (112) are arranged on two sides of the water taking control area (111), the batteries (113) are arranged in the battery bins (112), and the batteries (113) are respectively connected with the main control board, the sensor (3) and the water taking motor (4).
4. The unmanned aerial vehicle for taking water of claim 1, wherein: the material of the kettle body (62) is made of glass material or acrylic material with high water adhesiveness.
5. A method of taking water for a water-sampling drone as claimed in any one of claims 1 to 4, wherein: the method comprises the following steps:
(1) And (5) installing and taking a kettle: taking a kettle (6) with a corresponding size, clamping a handle (61) of the kettle into a fixed groove (511) of an induction seat (5), then rotating a rotary clamping head (52) to be fixed with a clamping column (54), thereby fixing the kettle (6) with the induction seat (5), and fastening one end of a winding wire (23) to the induction seat (5);
(2) Flying to a specified position: the unmanned aerial vehicle main body (1) is controlled by remote control equipment to be positioned by a GPS to fly to a designated water taking position, the unmanned aerial vehicle main body (1) is a safe distance from a water taking surface by about 2-5 meters, and then the unmanned aerial vehicle main body (1) keeps hovering;
(3) Releasing the water taking kettle to take water: the remote control sends out a control instruction to enable the water taking motor (4) to rotate forward, and drives the winding wire (23) on the turntable (2) to release slowly, so that the water taking kettle (6) automatically descends to a specified water surface setting depth to finish water taking; when the kettle body (62) enters the water surface, the movable pressing plate (623) leaves the bottom surface of the kettle body (62) under the action of water surface buoyancy to open the water inlet hole (622), water enters the container, when the kettle body (62) continuously enters the underwater depth, the movable door cover (621) is automatically opened under the action of buoyancy after contacting the water surface, the kettle body (62) becomes a bottom water inlet and top water outlet automatic dynamic water taking container, after the kettle body (62) reaches the set water depth, the kettle body (62) automatically rises, the movable door cover at the top of the kettle body (62) is automatically closed under the action of water pressure, the movable pressing plate (326) at the bottom of the kettle body (62) is automatically attached to close the water inlet hole (622), the water sample collection is finished, and the water sample in the kettle body (62) is kept in a static state;
(4) The locking kettle flies back: after automatic water taking, the water taking motor (4) automatically reverses to retract the winding wire (23) into the rotary table (2), the water taking kettle (6) slowly rises, the induction seat (5) is connected with the hollow connecting column (15), the water taking kettle (6) is positioned and clamped stably, the induction seat (5) enters between the transmitters and the receivers of the two inductors (3) at the moment, the inductors (3) send instructions to drive the water taking motor (4) to stop rotating, the water taking motor (4) is locked, the water taking kettle (6) is retracted to the bottom of the unmanned aerial vehicle at the moment, the water taking kettle and the unmanned aerial vehicle main body are integrally changed, the return flight safety is ensured, and the unmanned aerial vehicle main body (1) component can be operated to fly back to a flying point to finish water taking operation.
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