CN108613841B - Unmanned aerial vehicle carries automatic water quality sampler - Google Patents
Unmanned aerial vehicle carries automatic water quality sampler Download PDFInfo
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- CN108613841B CN108613841B CN201810740258.3A CN201810740258A CN108613841B CN 108613841 B CN108613841 B CN 108613841B CN 201810740258 A CN201810740258 A CN 201810740258A CN 108613841 B CN108613841 B CN 108613841B
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention relates to an unmanned aerial vehicle-mounted automatic water quality sampler. The sampler comprises a sampler frame, a sample sampling storage tank, a water pump, a water quality detector and a system controller, wherein a camera rotating by 360 degrees is arranged at the bottom of the sampler frame; the sample sampling storage box consists of a stepping motor a, a reel, a winding rope, a sample storage bottle, a deionized water box, a sampling bottle and a pressure sensor; step motor a control reel rotate, pull the transfer height that the serving rope comes control sampling bottle, the sampling bottle gets into the water after by pressure sensor feedback sampling degree of depth, during the layering sampling, put into the water with the sampling bottle earlier until pressure sensor shows that the depth of water no longer changes, this depth of water of record is taken a sample to lower floor's water simultaneously, confirms upper strata and middle floor's sampling degree of depth and takes a sample to corresponding layering according to this depth of water again. Compared with the prior art, the invention has the advantages that: and large-range multipoint and layered sampling can be realized.
Description
Technical Field
The invention relates to the field of water quality sampling equipment, in particular to an unmanned aerial vehicle-mounted automatic water quality sampler.
Background
Along with the rapid development of economy and the improvement of the living standard of people, the water resource pollution is more serious, the water pollution treatment and the water ecological restoration are urgent, and the water sample collection and research are the premise and the key of the pollution treatment and the ecological restoration. At present, the water quality sampling work mainly comprises the following two modes: (1) the method has the advantages that manual sampling is carried out, a simple sampling bottle is used for manual sampling, a sampler must be carried by a ship to a water body for sampling, the sampling efficiency is low, and certain risk exists; (2) automatic sampling equipment is used for sampling, generally, a fixed monitoring station is used for sampling, although layered sampling can be performed by the method, only one point location can be sampled, and large-range multi-point sampling cannot be met. The Chinese patent literature is searched to know the application number: 201710877883.8 discloses a water quality automatic sampler, which provides a sampler with simple structure and multiple samples, but its sampling bottle has no cover plate, and it is easy to be polluted and affect the sampling precision when sampling deeply; and the sampling depth sensing function is not available, and the sampling depth cannot be accurately positioned. In addition, the existing water quality sampler does not have the functions of water quality detection and real-time transmission.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an unmanned aerial vehicle-mounted automatic water quality sampler which can realize the purposes of depth-fixed sampling and real-time detection of sample water quality.
The purpose of the invention is realized by the following technical scheme: an unmanned aerial vehicle-mounted automatic water quality sampler comprises a sampler frame, a sample sampling storage tank, a water pump, a water quality detector and a system controller, wherein a camera rotating by 360 degrees is arranged at the bottom of the sampler frame; the sample sampling storage box consists of a stepping motor a, a reel, a winding rope, a sample storage bottle, a deionized water box, a sampling bottle and a pressure sensor; step motor a control reel rotate, pull the transfer height that the serving rope comes control sampling bottle, the sampling bottle gets into the water after by pressure sensor feedback sampling degree of depth, during the layering sampling, put into the water with the sampling bottle earlier until pressure sensor shows that the depth of water no longer changes, this depth of water of record is taken a sample to lower floor's water simultaneously, confirms upper strata and middle floor's sampling degree of depth and takes a sample to corresponding layering according to this depth of water again.
The suction pump pass through inlet tube, outlet pipe and shunt tubes and connect sampling bottle and sample storage bottle, the suction pump still is connected with the deionized water case.
The rope winding pipe is fixed at the bottom of the sample sampling storage box and penetrates through the fixing platform, the rope winding penetrates out of the rope winding pipe and is connected with the sampling bottle and the cover plate, rope winding knots are formed on the sampling bottle by the rope winding pipe, and the rope winding knots continue to ascend after passing through the rope winding pipe to draw the cover plate to be opened; the rope is rolled down, and the rear cover plate of the rope rolling pipe is closed when the rope is dewed;
the water inlet pipe and the water quality detector probe are fixed on the fixed platform, and the lifting of the fixed platform is controlled by the telescopic device; the telescopic device consists of a stepping motor b and a gear, and the gear is driven by the stepping motor b to work to realize the telescopic function;
after the cover plate is opened, the fixed platform moves downwards, the water inlet pipe extends into the sampling bottle to extract a water sample, and after the water sample is extracted, the fixed platform continues to move downwards to enable the water quality detection probe to extend into the sampling bottle to measure the water quality; after the cover plate is closed, the fixed platform moves upwards to return to the initial position; before sampling each time, starting a deionized water rinsing water pump in a deionized water tank, rinsing the water pump by using a water sample in a sampling bottle during sampling, discharging rinsing liquid through a drain pipe, shunting the water sample in the sampling bottle to a specified water sample storage bottle through a shunt pipe after rinsing, and realizing the processes through an electromagnetic valve; the installation heights of the water outlet pipe, the flow dividing pipe and the water drain pipe are reduced in a gradient manner, and the water drain pipe extends outwards and downwards from an opening at the bottom of the sample sampling storage box; after the water sample enters the sample storage bottle, residual samples in the water outlet pipe and the shunt pipe can be discharged through the drain pipe under the action of gravity; the system controller is internally provided with a GPS automatic positioning system, a stepping motor control system, an electromagnetic valve control system, a data wireless and wired transmission system, and sampling information and video information storage.
Compared with the prior art, the invention has the advantages that: the sampling bottle can be used for sampling in a multi-point and layered manner in a large range, the sampling depth is fed back by the pressure sensor after the sampling bottle enters the water body, when the layered sampling is carried out, the sampling bottle is firstly placed into the water body until the water depth displayed by the pressure sensor is not changed any more, the water depth is recorded, meanwhile, the lower-layer water body is sampled, and then the upper-layer and middle-layer sampling depths are determined according to the water depth and the corresponding layered sampling is carried out.
Drawings
FIG. 1 is a schematic structural diagram of an unmanned aerial vehicle-mounted automatic water quality sampler of the present invention;
FIG. 2 is a top view of the internal structure of the sample collection and storage tank 6 of FIG. 1;
FIG. 3 is a schematic diagram of a closed configuration of the cover 22 on the sample bottle 16 of FIG. 1;
FIG. 4 is a schematic view of the open configuration of the cover 22 on the sample bottle 16 of FIG. 1;
FIG. 5 is a schematic diagram showing the structure of the sampling bottle 16 in FIG. 1 in an open state and a close state of the cover plate 22;
fig. 6 is a schematic view of the structure of the telescopic device 14 in fig. 1.
In the figure: 1-automatic water quality sampler; 2-a sampler frame; 3-a step motor a; 4-coiling the disc; 5-rope winding; 6-sample sampling storage box; 7-sample storage bottle; 8-a water pump; 9-water outlet pipe; 10-a water inlet pipe; 11-a water quality detector; 12-water quality detector probe; 13-rope winding pipe; 14-a telescopic device; 15-a fixed platform; 16-a sampling bottle; 17-a pressure sensor; 18-a system controller; 19-a drain pipe; 20-an electromagnetic valve; 21-a shunt tube; 22-a cover plate; 23-rolling rope knots; 24-a stepping motor b; 25-a gear; 26-a camera; 27-deionized water tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The specific embodiments described herein are merely illustrative of the invention and should not be taken to be limiting.
As shown in fig. 1, 2, 3, 4, 5 and 6, an unmanned aerial vehicle-mounted automatic water sampler comprises a sampler frame 2, a sample sampling storage tank 6, a water pump 8, a water quality detector 11 and a system controller 18, and is characterized in that the sample sampling storage tank 6 consists of a stepping motor a3, a reel 4, a winding rope 5, a sample storage bottle 7, a deionized water tank 27, a sampling bottle 16 and a pressure sensor 17; the stepping motor a3 controls the reel 4 to rotate, and the winding rope 5 is pulled to control the lowering height of the sampling bottle 16; after the sampling bottle 16 enters the water body, the sampling depth is fed back by the pressure sensor 17; during the layering sampling, put into the water with the sampling bottle 16 earlier until pressure sensor 17 shows that the depth of water no longer changes, record this depth of water, take a sample to lower floor's water simultaneously, confirm upper strata and middle floor sample depth and take a sample to corresponding layering according to this depth of water again.
The sampler frame 2 is provided with a camera 26 which can rotate 360 degrees.
One end of the water inlet pipe 10 is connected with the water pump 8, and the other end is fixed on the fixed platform 15; one end of a water outlet pipe 9 is connected with a water pump 8, the other end of the water outlet pipe extends into the sample sampling storage tank 6 to be connected with one end of a shunt pipe 21, and the other end of the shunt pipe 21 is connected with a sample storage bottle 7; the suction pump 8 is also connected to a deionized water tank 27.
The rope winding pipe 13 is fixed at the bottom of the sample sampling storage box (6) and penetrates through the fixing platform 15, the rope winding 5 penetrates out of the rope winding pipe 13 and is connected with the sampling bottle 16 and the cover plate 22, the rope winding 5 forms a rope winding knot 23 on the sampling bottle 16, and the rope winding knot 23 continuously rises after passing through the rope winding pipe 13 and pulls the cover plate 22 to be opened; the rope 5 descends, the rope winding knot 23 exposes the rope winding pipe 13, and the cover plate 22 is closed.
The water inlet pipe 10 and the water quality detector probe 12 are fixed on a fixed platform 15, and the fixed platform 15 is controlled to ascend and descend by a telescopic device 14; the telescoping device 14 consists of a stepping motor b24 and a gear 25, and the gear 25 is driven to work by a stepping motor b24 to realize the telescoping function.
After the cover plate 22 is opened, the fixed platform 15 moves downwards, the water inlet pipe 10 extends into the sampling bottle 16 to extract a water sample, and after the water sample is extracted, the fixed platform 15 continues to move downwards to enable the water quality detection probe 12 to extend into the sampling bottle 16 to measure the water quality; after the cover plate 22 is closed, the fixed platform 15 moves upward back to the initial position.
After the water sample enters the sample storage bottle 7, the water quality detection is carried out, the detection data of the water quality detector 11 is transmitted to the system controller 18, and the system controller 18 transmits the real-time data back to the ground control system.
The deionized water in the deionized water tank 27 is started before sampling at every time, the water suction pump 8 is rinsed, the water sample in the sampling bottle 16 is used again during sampling, the water suction pump 8 is rinsed, the rinsing liquid is discharged through the drain pipe 19, the water sample in the sampling bottle 16 is shunted to the specified water sample storage bottle 7 through the shunt pipe 21 after rinsing, and the process is realized through the electromagnetic valve 20.
The installation heights of the water outlet pipe 9, the shunt pipe 21 and the drain pipe 19 are reduced in a gradient manner, and the drain pipe 19 extends outwards and downwards from an opening at the bottom of the sample sampling storage box 6; after the water sample enters the sample storage bottle 7, the residual sample in the water outlet pipe 9 and the shunt pipe 21 can be discharged through the water discharge pipe 19 under the action of gravity.
The system controller 18 contains a GPS automatic positioning system, a stepping motor control system, a solenoid valve control system, a wireless and wired data transmission system, and a sampling information and video information storage.
The above is a preferred embodiment of the present invention, which shows and describes the basic principles and main features of the present invention and the effects and advantages of the present invention, and the detailed description is given to the unmanned on-board automatic water quality sampler of the present invention, and the technical features not described in detail are all the known technologies. The principles and practice of the present invention are described herein using specific examples, which are set forth only to facilitate an understanding of the present invention and its core concepts. It should be noted that the invention is not limited by the above-mentioned embodiments, which are described in the above-mentioned embodiments and the description only for illustrating the principle of the invention, but also various changes and modifications within the scope of the claimed invention without departing from the spirit and scope of the invention, which is to be construed as covering the present invention by the appended claims and their equivalents.
Claims (8)
1. An unmanned aerial vehicle-mounted automatic water quality sampler comprises a sampler frame (2), a sample sampling storage box (6), a water pump (8), a water quality detector (11) and a system controller (18), and is characterized in that the sample sampling storage box (6) consists of a stepping motor a (3), a reel (4), a winding rope (5), a sample storage bottle (7), a deionized water tank (27), a sampling bottle (16) and a pressure sensor (17); the stepping motor a (3) controls the reel (4) to rotate, and the reel rope (5) is pulled to control the lowering height of the sampling bottle (16); after the sampling bottle (16) enters the water body, the sampling depth is fed back by the pressure sensor (17); when layered sampling is carried out, the sampling bottle (16) is firstly placed into the water body until the water depth is not changed when the pressure sensor (17) displays that the water depth is not changed any more, the water depth is recorded, meanwhile, the lower-layer water body is sampled, then the upper-layer sampling depth and the middle-layer sampling depth are determined according to the water depth, and corresponding layered sampling is carried out;
one end of the water inlet pipe (10) is connected with the water pump (8), and the other end of the water inlet pipe is fixed on the fixed platform (15); one end of a water outlet pipe (9) is connected with a water pump (8), the other end of the water outlet pipe extends into the sample sampling storage box (6) to be connected with one end of a shunt pipe (21), and the other end of the shunt pipe (21) is connected with a sample storage bottle (7); the water suction pump (8) is also connected with a deionized water tank (27);
The rope winding pipe (13) is fixed at the bottom of the sample sampling storage box (6) and penetrates through the fixing platform (15), the rope winding (5) penetrates out of the rope winding pipe (13) and is connected with the sampling bottle (16) and the cover plate (22), the rope winding (5) forms a rope winding knot (23) on the sampling bottle (16), and the rope winding knot (23) continuously rises after passing through the rope winding pipe (13) to draw the cover plate (22) to be opened; the rope winding (5) descends, and the cover plate (22) is closed after the rope winding knot (23) is exposed out of the rope winding pipe (13).
2. The unmanned aerial vehicle-mounted automatic water quality sampler according to claim 1, wherein the sampler frame (2) is provided with a camera (26) capable of rotating 360 degrees.
3. The unmanned aerial vehicle-mounted automatic water sampler as claimed in claim 1, wherein the water inlet pipe (10) and the water quality detector probe (12) are fixed on a fixed platform (15), and the fixed platform (15) is controlled to lift through a telescopic device (14); the telescoping device (14) comprises a stepping motor b (24) and a gear (25), and the gear (25) is driven to work through the stepping motor b (24) to achieve the telescoping function.
4. The unmanned aerial vehicle-mounted automatic water quality sampler according to claim 1, wherein after the cover plate (22) is opened, the fixed platform (15) moves downwards, the water inlet pipe (10) extends into the sampling bottle (16) to extract a water sample, and after the water sample is extracted, the fixed platform (15) continues to move downwards to enable the water quality detection probe (12) to extend into the sampling bottle (16) to measure water quality; after the cover plate (22) is closed, the fixed platform (15) moves upwards to return to the initial position.
5. The unmanned aerial vehicle-mounted automatic water quality sampler as claimed in claim 1, wherein after a water sample enters the sample storage bottle (7), water quality detection is carried out, detection data of the water quality detector (11) is transmitted to the system controller (18), and the system controller (18) transmits real-time data back to the ground control system.
6. The unmanned aerial vehicle-mounted automatic water sampler as claimed in claim 1, wherein before sampling, deionized water in the deionized water tank (27) is started to rinse the water pump (8), then a water sample in the sampling bottle (16) is sampled, the water pump (8) is rinsed, the rinsing liquid is discharged through the drain pipe (19), the water sample in the sampling bottle (16) is shunted to the specified water sample storage bottle (7) through the shunt pipe (21) after rinsing, and the process is realized through the electromagnetic valve (20).
7. The unmanned aerial vehicle carries the automatic water sampler according to claim 1, characterized by that the installation height of the water outlet pipe (9), the shunt pipe (21) and the drain pipe (19) is reduced in gradient, the drain pipe (19) is extended outwards and downwards from the bottom opening of the sample sampling storage box (6); after the water sample enters the sample storage bottle (7), the residual sample in the water outlet pipe (9) and the shunt pipe (21) can be discharged through the drain pipe (19) under the action of gravity.
8. The automatic water quality sampler as claimed in claim 1, wherein the system controller (18) comprises a GPS automatic positioning system, a stepping motor control system, a solenoid valve control system, a wireless and wired data transmission system, and a storage for sampling information and video information.
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