CN117147237B - Sampling device for water quality analysis that unmanned aerial vehicle carried - Google Patents
Sampling device for water quality analysis that unmanned aerial vehicle carried Download PDFInfo
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- CN117147237B CN117147237B CN202311119870.6A CN202311119870A CN117147237B CN 117147237 B CN117147237 B CN 117147237B CN 202311119870 A CN202311119870 A CN 202311119870A CN 117147237 B CN117147237 B CN 117147237B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000005070 sampling Methods 0.000 title claims abstract description 30
- 238000004458 analytical method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
- B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U60/00—Undercarriages
- B64U60/10—Undercarriages specially adapted for use on water
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/15—UAVs specially adapted for particular uses or applications for conventional or electronic warfare
- B64U2101/17—UAVs specially adapted for particular uses or applications for conventional or electronic warfare for detecting, disrupting or countering communications
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a sampling device for water quality analysis carried by an unmanned aerial vehicle, which belongs to the technical field of sampling and comprises an unmanned aerial vehicle body, wherein the bottom of the unmanned aerial vehicle body is connected with a connecting cover, the inner side wall of the connecting cover is uniformly and alternately connected with a plurality of connecting frames, the bottom of the connecting frame is connected with a guide sleeve, a water intake pipe is slidably connected in the guide sleeve and communicated with the guide sleeve, a threaded rod is rotationally connected in the guide sleeve, the top of the threaded rod penetrates into the connecting frame and is connected with a transmission gear, and a suction mechanism for extracting a water sample is arranged on the threaded rod. According to the invention, when sampling is performed, the plurality of water taking pipes are arranged for sampling, and the plurality of water taking pipes can be controlled to be driven for sampling through the single motor, when the sampled water taking pipes need to be replaced, the driving gear can be replaced to be meshed with different transmission gears only by controlling the lifting of the unmanned aerial vehicle body once, so that the different water taking pipes are replaced for water taking operation, and the operation is more convenient.
Description
Technical Field
The invention belongs to the technical field of sampling, and particularly relates to a sampling device for water quality analysis carried by an unmanned aerial vehicle.
Background
When judging whether the water source in the water area meets the standard or not and whether the water source contains pollution, water quality analysis, also called water chemistry analysis, needs to be carried out. Namely, the content of various chemical components in water is measured by chemical and physical methods. When water quality analysis is performed, water in a water area needs to be sampled and then sent to a region for water area analysis for analysis treatment.
At present, when carrying out the sampling work of water, in order to keep away from the water on bank in the waters and sample, can adopt unmanned aerial vehicle to sample the operation, but when adopting unmanned aerial vehicle to sample the operation, if adopt more water intakes, then need set up a plurality of driving sources and drive water intakes ware and carry out the water intaking operation, lead to holistic cost to increase, and improved unmanned aerial vehicle's load, also higher to unmanned aerial vehicle's requirement, if adopt a water intakes ware to carry out the water intaking operation, when need sample the different positions or the degree of depth in waters, just need fly back again with unmanned aerial vehicle and change new water intakes ware and operate, it is comparatively loaded down with trivial details during operation, the efficiency is lower.
Disclosure of Invention
In order to overcome the defects that when an unmanned aerial vehicle is used for sampling, a plurality of water intakes are synchronously arranged, the cost is higher due to the fact that a driving source is required to be arranged, the requirement on the unmanned aerial vehicle is higher, and a single water intaking device is arranged, the water intaking device needs to be replaced every time water intaking operation is carried out, and the operation is complicated.
The utility model provides a sampling device for water quality analysis that unmanned aerial vehicle carried, includes the unmanned aerial vehicle body, unmanned aerial vehicle body bottom is connected with the junction housing, the even interval of junction housing inside wall is connected with a plurality of junction boxes, the junction box bottom is connected with the guide pin bushing, sliding connection has the water intake pipe in the guide pin bushing, the water intake pipe with the guide pin bushing intercommunication, the guide pin bushing swivelling joint has the threaded rod, the threaded rod top penetrates in the junction box and is connected with drive gear, be equipped with the suction mechanism that is used for extracting the water sample on the threaded rod, be equipped with the actuating mechanism that is used for driving the threaded rod rotatory in the junction housing, be equipped with the shifter on the junction housing, shifter is used for controlling actuating mechanism and removes to make actuating mechanism drive other threaded rods rotatory; the switching mechanism comprises a disc-shaped ratchet wheel, a second sliding rod, a connecting sleeve, a rotating frame and an elastic piece I, wherein the disc-shaped ratchet wheel is arranged on the driving mechanism, the second sliding rod is movably connected with the middle of the connecting cover, the connecting sleeve is connected between the bottoms of the connecting covers, the rotating frame is rotationally connected with the bottom in the connecting cover, a stirring rod used for stirring the disc-shaped ratchet wheel to rotate is rotationally connected to the rotating frame, the elastic piece I is connected between the stirring rod and the rotating frame, a floating plate is connected to the bottom of the second sliding rod, and a structure used for controlling the second sliding rod to rotate when moving up and down is arranged between the connecting sleeve and the second sliding rod.
In a preferred embodiment of the present invention, the structure for controlling the sliding rod two to rotate when moving up and down includes a convex ball, the sliding rod two is provided with the convex ball, the inner ring of the connecting sleeve is provided with a chute, the tail end of the chute extends to the bottom of the connecting sleeve, and the convex ball is located right below the tail end of the chute.
In a preferred embodiment of the invention, the plurality of water intake pipes have different lengths, so that water at different depths in the water area can be sampled.
In a preferred embodiment of the invention, the suction mechanism comprises a suction block and a first sliding rod, the suction block is connected with the upper side and the lower side of the threaded rod in a sliding manner, the suction block is connected with the threaded rod in a threaded transmission manner, the suction block on the lower side is connected with the water intake pipe in a sliding and sealing manner, and the first sliding rod is arranged between the two suction blocks in a sliding manner.
In a preferred embodiment of the present invention, the driving mechanism includes a circular guide rail, the circular guide rail is connected to the bottom of the connecting cover, the circular guide rail is slidably connected with a mounting shell, the disc-shaped ratchet wheel is connected to the mounting shell, a motor is installed in the mounting shell, a driving gear is connected to an output shaft of the motor, and the driving gear can be meshed with any transmission gear during movement.
In a preferred embodiment of the present invention, the water intake pipe further comprises a first blocking member, the bottom of the water intake pipe is provided with an opening for water intake, and the bottom of the threaded rod is connected with the first blocking member for blocking the opening at the bottom of the water intake pipe.
In a preferred embodiment of the invention, the positioning mechanism further comprises a positioning mechanism, the positioning mechanism comprises a convex ring, a sliding frame and a limiting ring, the convex ring is connected to the sliding rod II, the sliding frame is connected to the rotating frame in a sliding manner, the convex ring moves upwards to press the sliding frame to move upwards, the two sides of the sliding frame are connected with inserting rods, the limiting ring is connected to the mounting shell, inserting holes are uniformly arranged on the limiting ring at intervals along the circumferential direction, the inserting rods move upwards to be inserted into the inserting holes, the diameter of the inserting rods does not exceed the aperture of the inserting holes, and inclined chamfers are arranged at the contact edges of the inserting holes and the inserting rods.
In a preferred embodiment of the present invention, the centers of the limiting ring, the disc-shaped ratchet wheel, the circular guide rail and the rotating frame are located on the same vertical axis.
In a preferred embodiment of the present invention, the present invention further comprises a drainage mechanism, wherein the drainage mechanism comprises a liquid outlet pipe connected to the water intake pipe, the liquid outlet pipe is communicated with the water intake pipe, and a second blocking block for blocking the liquid outlet pipe is inserted into the liquid outlet pipe.
In a preferred embodiment of the present invention, the unmanned aerial vehicle further comprises floating blocks, wherein the floating blocks are arranged on the support beams at two sides of the unmanned aerial vehicle body.
The technical scheme of the invention has the following advantages:
1. according to the invention, when sampling is performed, the plurality of water taking pipes are arranged for sampling, and the plurality of water taking pipes can be controlled to be driven for sampling through the single motor, if the sampled water taking pipes need to be replaced during sampling, the driving gear can be replaced to be meshed with different transmission gears only by controlling the unmanned aerial vehicle body to take off and land once, so that the different water taking pipes are replaced for water taking operation, the operation is more convenient, a plurality of driving sources do not need to be set up, and the production cost and the load of the unmanned aerial vehicle body are reduced.
2. After the sampling is finished, the water intake pipe moves upwards, and the water intake pipe can enable the blocking block to block the opening of the water intake pipe when moving upwards, so that the water intake pipe can automatically block the opening after the water intake is finished, and water is prevented from flowing out.
3. According to the invention, after the motor is controlled to drive the driving gear to shift, the inserting rod can be driven to be inserted into the limiting ring, so that the motor is positioned, and the motor is prevented from driving the driving gear to be disengaged from the transmission gear, so that the sampling operation is prevented from being influenced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the connecting cover, the guide sleeve and the water intake pipe of the present invention.
Fig. 3 is a schematic structural view of the connecting cover, the guide sleeve and the connecting frame of the present invention.
Fig. 4 is a cross-sectional view of the guide sleeve, the connection frame and the water intake pipe of the present invention.
Fig. 5 is a schematic structural view of the driving mechanism of the present invention.
Fig. 6 is a schematic diagram of a first configuration of the switching mechanism of the present invention.
Fig. 7 is a schematic diagram of a second configuration of the switching mechanism of the present invention.
Fig. 8 is a schematic structural view of a connecting sleeve according to the present invention.
Fig. 9 is a schematic structural view of the turret, tap lever and elastic member of the present invention.
Fig. 10 is a schematic structural view of the positioning mechanism of the present invention.
FIG. 11 is a top view of the stop collar, disc ratchet, circular guide and turret of the present invention.
Fig. 12 is a schematic structural view of the drainage mechanism of the present invention.
Wherein: 1. unmanned aerial vehicle body, 2, the junction housing, 3, the guide pin bushing, 31, the connection frame, 4, the water intake pipe, 5, the threaded rod, 51, the first closure, 61, drive gear, 71, suction block, 72, slide bar one, 81, circular guide rail, 82, the installation shell, 83, motor, 84, drive gear, 91, disc ratchet, 92, slide bar two, 921, protruding ball, 93, the adapter sleeve, 931, chute, 94, the rotating frame, 95, the poking rod, 96, the first elastic element, 97, the floating plate, 101, the bulge loop, 102, the sliding frame, 103, the inserted link, 104, the limiting ring, 111, the drain pipe, 112, the second closure, 12, the floating block.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
1-9, including unmanned aerial vehicle body 1, connecting cover 2, guide pin bushing 3, connecting frame 31, the water intake pipe 4, threaded rod 5, drive gear 61, suction mechanism, actuating mechanism and switching mechanism, be connected with connecting cover 2 in the middle of unmanned aerial vehicle body 1 bottom, connecting cover 2 inside wall evenly spaced is connected with a plurality of connecting frames 31, connecting frame 31 bottom is connected with guide pin bushing 3, sliding connection has water intake pipe 4 in guide pin bushing 3, water intake pipe 4 and guide pin bushing 3 intercommunication, guide pin bushing 3 swivelling joint has threaded rod 5, threaded rod 5 top is connected with drive gear 61, drive gear 61 is located connecting frame 31, be equipped with the suction mechanism who is used for extracting the water sample on the threaded rod 5, be equipped with the actuating mechanism who is used for driving threaded rod 5 rotatory in the connecting cover 2, be equipped with switching mechanism on the connecting cover 2, switching mechanism is used for controlling actuating mechanism and removes, so that actuating mechanism drives other threaded rods 5 rotatory, many water intake pipe 4 length are different, in order to take a sample the work to the water of different degree of depth in the waters.
As shown in fig. 4, the suction mechanism comprises a suction block 71 and a first sliding rod 72, the suction block 71 is slidably connected to the upper side and the lower side of the threaded rod 5, the suction block 71 is slidably and hermetically connected to the threaded rod 5, two symmetrically arranged first sliding rods 72 are slidably connected between the two suction blocks 71, and convex edges are arranged at two ends of the first sliding rod 72 so as to prevent the suction block 71 from being separated from the first sliding rod 72.
As shown in fig. 5 and 6, the driving mechanism includes a circular guide rail 81, a mounting case 82, a motor 83 and a driving gear 84, the inner bottom of the connecting cover 2 is connected with the circular guide rail 81, the circular guide rail 81 is slidably connected with the mounting case 82, the motor 83 is mounted in the mounting case 82, the driving gear 84 is connected to the output shaft of the motor 83, the connecting frame 31 is provided with a notch, and the driving gear 84 can be meshed with the transmission gear 61 through the notch.
As shown in fig. 4, the water intake pipe further comprises a first blocking block 51, the bottom of the threaded rod 5 is connected with the first blocking block 51, the bottom of the water intake pipe 4 is provided with an opening for water intake, and the size of the opening is matched with the first blocking block 51, so that the first blocking block 51 can block the opening of the water intake pipe 4, and the water intake pipe 4 is prevented from taking water, and then an internal water source flows out through the opening.
When the unmanned aerial vehicle is required to be used for sampling and analyzing water quality, the sampling device can be used, when the unmanned aerial vehicle is used, the unmanned aerial vehicle is controlled to fly to a corresponding water area, then the unmanned aerial vehicle is controlled to descend, the unmanned aerial vehicle can enable the water intake pipe 4 to be inserted into water after being descended to be close to the water surface, at the moment, the motor 83 can be controlled to drive the driving gear 84 to rotate, the driving gear 84 can drive the transmission gear 61 to rotate when rotating, the transmission gear 61 can drive the threaded rod 5 to rotate when rotating, the threaded rod 5 can drive the upper suction block 71 to move upwards through threads when rotating, the upper suction block 71 moves upwards and pulls the lower suction block 71 to move upwards through the sliding rod 72, the lower suction block 71 can generate suction force in the water intake pipe 4 when moving upwards, water in the water intake pipe 4 is pumped in, water is sampled, when the upper suction block 71 moves upwards to be separated from the threads of the threaded rod 5, the lower suction block 71 also moves upwards to be matched with the threads on the threaded rod 5, at the moment, the threaded rod 5 can continue to rotate to drive the lower suction block 71 to move upwards, at the moment, the lower suction block 71 moves upwards to prop against the inner top of the water intake pipe 4, then the lower suction block 71 continues to move upwards to drive the water intake pipe 4 to move upwards, the water intake pipe 4 can move upwards to enable the first blocking block 51 to be inserted into the opening, so that the opening is blocked, thus completing the water intake operation, after water intake is completed, the unmanned aerial vehicle can be controlled to fly back, then the mounting shell 82 can be controlled to move along the circular guide rail 81, the driving gear 84 can be driven to be meshed with the other driving gear 61, after the operation is completed, the unmanned aerial vehicle is controlled to fly to the water intake position again to perform the water intake operation, the water quality can be sampled and analyzed repeatedly, and after the sampling is finished, the opening of the water intake pipe 4 can be automatically plugged so as to prevent water from flowing out.
As shown in fig. 6-9, the switching mechanism includes a disc-shaped ratchet 91, a second sliding rod 92, a connecting sleeve 93, a rotating frame 94, a toggle rod 95, a first elastic member 96, a floating plate 97 and a structure for controlling the second sliding rod 92 to rotate when moving up and down, the front side of the mounting shell 82 is connected with the disc-shaped ratchet 91, the middle part of the connecting cover 2 slides and is rotationally connected with the second sliding rod 92, the middle part of the bottom of the connecting cover 2 is connected with the connecting sleeve 93, the connecting sleeve 93 is sleeved outside the second sliding rod 92, the middle part of the bottom of the connecting cover 2 is rotationally connected with the rotating frame 94, the toggle rod 95 is clamped on the disc-shaped ratchet 91, the first elastic member 96 is connected between the toggle rod 95 and the rotating frame 94, the bottom of the second sliding rod 92 is connected with the floating plate 97, and the structure for controlling the second sliding rod 92 to rotate when moving up and down is arranged between the connecting sleeve 93 and the second sliding rod 92.
As shown in fig. 7 and 8, the structure for controlling the sliding rod two 92 to rotate when moving up and down includes a convex ball 921, the sliding rod two 92 is provided with the convex ball 921, the inner ring of the connecting sleeve 93 is provided with a chute 931, the tail end of the chute 931 extends to the bottom of the connecting sleeve 93, and the convex ball 921 is located right below the tail end of the chute 931.
In the in-process that unmanned aerial vehicle body 1 hovers at the surface of water, the floating plate 97 can receive the extrusion of surface of water and upwards move for unmanned aerial vehicle body 1, floating plate 97 then can drive slide bar two 92 upwards to move when upwards moving, slide bar two 92 can drive convex ball 921 upwards to move when upwards moving, can contact with chute 931 and receive the extrusion rotation of chute 931 when moving up, convex ball 921 drives slide bar two 92 rotation when rotating, slide bar two 92 can drive the rotating frame 94 rotation at this moment, the rotating frame 94 rotation can drive the stirring rod 95 rotation, stirring rod 95 can receive the extrusion of disc ratchet 91 and the down swing, elastic component one 96 is compressed, until stirring rod 95 moves to the two ratchet department that meets of disc ratchet 91, at this moment under the effect of elastic component one 96 stirring rod 95 resets and supports two ratchet department that meets at disc ratchet 91, then when unmanned aerial vehicle takes off once more, the slide bar receives the extrusion reverse rotation of chute 931 when the effect down, thereby drive slide bar two 92 and rotating frame 94 rotation 94 can drive the rotating motor 94 and can drive the rotating frame 94 rotation motor 94 and can drive the disc ratchet 83 and can be followed by the rotation of wheel 83 when moving down the disc ratchet 91, can drive the rotating frame 83 and can drive the disc ratchet 83 and rotate the rotating along with the rotating frame 91 and then, can be more when the rotation of the rotating frame 83 is driven and the disc-shaped 83 and can be more when the rotation is driven and the rotation is moved to the disc ratchet 91 and the rotation is driven to the rotation of the disc-shaped 83.
Example 2: on the basis of embodiment 1, as shown in fig. 10 and 11, the positioning mechanism further comprises a convex ring 101, a sliding frame 102, a plug rod 103 and a limiting ring 104, wherein the convex ring 101 is connected to the upper portion of the sliding rod II 92, the convex ring 101 is positioned at the lower portion of the convex ball 921, the sliding frame 102 is connected to the sliding frame 94 in a sliding manner, the sliding frame 102 is positioned at the upper portion of the convex ring 101, the plug rods 103 are connected to the left side and the right side of the sliding frame 102, the limiting ring 104 is connected to the mounting shell 82, insertion holes are uniformly formed in the limiting ring 104 at intervals along the circumferential direction, and the plug rods 103 can be inserted into the insertion holes to fix the limiting ring 104.
The second sliding rod 92 can drive the convex ring 101 to move upwards when moving upwards, the convex ring 101 can contact with the sliding frame 102 and press the sliding frame 102 to move upwards when moving upwards, the sliding frame 102 can drive the inserting rod 103 to move upwards when moving upwards, the inserting rod 103 can be inserted into the inserting hole of the limiting ring 104, so that the mounting shell 82 is limited, the driving gear 84 is prevented from being separated from the transmission gear 61 when the motor 83 operates, and the inserting rod 103 is not inserted into the inserting hole of the limiting ring 104 when the second sliding rod 92 moves downwards to drive the convex ring 101 to move downwards, so that the mounting shell 82 can rotate, the diameter of the inserting rod 103 does not exceed the diameter of the inserting hole, and the contact edge of the inserting hole and the inserting rod 103 is provided with an inclined chamfer so that the inserting rod 103 is inserted into the inserting hole.
As shown in fig. 11, the centers of the limit ring 104, the disc-shaped ratchet 91, the circular guide rail 81 and the turret 94 are located on the same vertical axis.
As shown in fig. 12, the device further comprises a drainage mechanism, the drainage mechanism comprises a drain pipe 111 and a second block 112, the bottom of the water intake pipe 4 is communicated with the drain pipe 111, the second block 112 for blocking the drain pipe 111 is inserted on the drain pipe 111, when the sampled water is required to be discharged, the second block 112 can be pulled out, and the water can be discharged through the drain pipe 111 to assist in discharging the sampled water.
As shown in fig. 1, the unmanned aerial vehicle further comprises floating blocks 12, wherein the floating blocks 12 are arranged on the supporting beams on two sides of the unmanned aerial vehicle body 1 to assist the unmanned aerial vehicle body 1 to suspend on the water surface.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a sampling device for water quality analysis that unmanned aerial vehicle carried, its characterized in that, including unmanned aerial vehicle body (1), unmanned aerial vehicle body (1) bottom is connected with connecting cover (2), connecting cover (2) inside wall evenly interval is connected with a plurality of connecting frames (31), connecting frame (31) bottom is connected with guide pin bushing (3), sliding connection has intake pipe (4) in guide pin bushing (3), intake pipe (4) with guide pin bushing (3) intercommunication, guide pin bushing (3) swivelling joint has threaded rod (5), threaded rod (5) top penetrates in connecting frame (31) and is connected with drive gear (61), be equipped with the pumping mechanism that is used for extracting the water sample on threaded rod (5), be equipped with in connecting cover (2) and be used for driving threaded rod (5) rotatory actuating mechanism, be equipped with switching mechanism on connecting cover (2), switching mechanism is used for controlling actuating mechanism and removes to make actuating mechanism drive other threaded rod (5) rotatory. The switching mechanism comprises a disc-shaped ratchet wheel (91), a second sliding rod (92), a connecting sleeve (93), a rotating frame (94) and a first elastic element (96), wherein the disc-shaped ratchet wheel (91) is arranged on the driving mechanism, the second sliding rod (92) is movably connected to the middle of the connecting cover (2), the connecting sleeve (93) is connected to the middle of the bottom of the connecting cover (2), the rotating frame (94) is rotatably connected to the inner bottom of the connecting cover (2), a stirring rod (95) for stirring the rotation of the disc-shaped ratchet wheel (91) is rotatably connected to the rotating frame (94), the first elastic element (96) is connected between the stirring rod (95) and the rotating frame (94), a floating plate (97) is connected to the bottom of the second sliding rod (92), a structure for controlling the rotation of the second sliding rod (92) in the up-down movement is arranged between the connecting sleeve (93) and the second sliding rod (92), the structure for controlling the rotation of the second sliding rod (92) in the up-down movement comprises a convex ball (921), the second sliding rod (92) is provided with a chute (931), the bottom (931) is arranged on the connecting sleeve (931) and extends from the bottom (931), the convex ball (921) is positioned right below the tail end of the chute (931).
2. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 1, wherein the plurality of water intake pipes (4) have different lengths, and can sample water of different depths in a water area.
3. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 1, wherein the suction mechanism comprises a suction block (71) and a first sliding rod (72), the suction block (71) is slidably connected to the upper side and the lower side of the threaded rod (5), the suction block (71) is in threaded transmission connection with the threaded rod (5), the suction block (71) at the lower side is slidably and hermetically connected with the water intake pipe (4), and the first sliding rod (72) is slidably arranged between the two suction blocks (71).
4. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 1, wherein the driving mechanism comprises a circular guide rail (81), the circular guide rail (81) is connected to the inner bottom of the connecting cover (2), a mounting shell (82) is slidably connected to the circular guide rail (81), the disc-shaped ratchet wheel (91) is connected to the mounting shell (82), a motor (83) is mounted in the mounting shell (82), a driving gear (84) is connected to an output shaft of the motor (83), and the driving gear (84) can be meshed with any transmission gear (61) in a moving manner.
5. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 1, further comprising a first blocking member (51), wherein the bottom of the water intake pipe (4) is provided with an opening for water intake, and the bottom of the threaded rod (5) is connected with the first blocking member (51) for blocking the opening at the bottom of the water intake pipe (4).
6. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 4, further comprising a positioning mechanism, wherein the positioning mechanism comprises a convex ring (101), a sliding frame (102) and a limiting ring (104), the convex ring (101) is connected to the sliding rod II (92), the sliding frame (102) is slidably connected to the rotating frame (94), the convex ring (101) moves upwards to press the sliding frame (102) to move upwards, inserting rods (103) are connected to two sides of the sliding frame (102), the limiting ring (104) is connected to the mounting shell (82), inserting holes are uniformly arranged on the limiting ring (104) at intervals along the circumferential direction, the inserting rods (103) move upwards to be inserted into the inserting holes, and the diameter of the inserting rods (103) is not more than the diameter of the inserting holes, and the contact edges of the inserting rods (103) are provided with inclined chamfers.
7. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 6, wherein the centers of the limit ring (104), the disc-shaped ratchet wheel (91), the circular guide rail (81) and the rotating frame (94) are positioned on the same vertical axis.
8. The sampling device for water quality analysis carried by an unmanned aerial vehicle according to claim 1, further comprising a drainage mechanism, wherein the drainage mechanism comprises a liquid outlet pipe (111) connected to the water intake pipe (4), the liquid outlet pipe (111) is communicated with the water intake pipe (4), and a second blocking block (112) for blocking the liquid outlet pipe (111) is inserted on the liquid outlet pipe (111).
9. The sampling device for water quality analysis carried by the unmanned aerial vehicle according to claim 1, further comprising floating blocks (12), wherein the floating blocks (12) are arranged on the supporting beams on two sides of the unmanned aerial vehicle body (1).
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| CN105842009A (en) * | 2016-03-23 | 2016-08-10 | 山东科技大学 | Drone water sampling device for water quality monitoring |
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| KR20200113599A (en) * | 2019-03-26 | 2020-10-07 | (주) 아이렘기술개발 | Water sampling device for remote monitoring of water quality |
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| CN112572796A (en) * | 2020-12-23 | 2021-03-30 | 姜敬伟 | Internet-based unmanned aerial vehicle capable of sampling multiple water sources for water utilization |
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| EP2584355A1 (en) * | 2011-10-20 | 2013-04-24 | Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux | Acquisition device for taking measurements and/or collecting samples from a liquid |
| CN105842009A (en) * | 2016-03-23 | 2016-08-10 | 山东科技大学 | Drone water sampling device for water quality monitoring |
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