CN117147227A - Water quality sampling device and sampling method - Google Patents
Water quality sampling device and sampling method Download PDFInfo
- Publication number
- CN117147227A CN117147227A CN202311110740.6A CN202311110740A CN117147227A CN 117147227 A CN117147227 A CN 117147227A CN 202311110740 A CN202311110740 A CN 202311110740A CN 117147227 A CN117147227 A CN 117147227A
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- sampling tube
- sampling
- water
- shell
- fixedly connected
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- 238000005070 sampling Methods 0.000 title claims abstract description 168
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 23
- 244000309464 bull Species 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 13
- 238000005507 spraying Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002351 wastewater Substances 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- 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
Abstract
The invention discloses a water quality sampling device and a sampling method, and relates to the technical field of water quality sampling. The method can be used for sampling in different depths of sewage, the sampled water is ensured to be water with a specified depth, and in the sampling process, the situation that the sewage cannot enter the sampling tube due to the fact that the sampling tube is blocked by impurities in the sewage can be avoided, and when the sampling tube is used for sampling, staff can intuitively know the descending depth of the sampling tube at the moment.
Description
Technical Field
The invention relates to the technical field of water quality sampling, in particular to a water quality sampling device and a water quality sampling method.
Background
Along with the rapid development of industry, the variety and quantity of wastewater are rapidly increased, the pollution to water bodies is also increasingly and seriously promoted, the health and safety of human beings are threatened, and in order to prevent the water bodies from being polluted, the environmental protection department can sample and detect the water in the places such as rivers, lakes, drainage wells and the like around factories;
at present, a container is usually placed in a water body to take water, but the current water quality sampling device is usually difficult to place under the water surface for taking water at a certain depth, when the water is required to be taken from a deeper part, the container can be submerged into a designated water depth at this time, but the water sampled in the container at this time cannot be ensured to be the water at the depth, so that after sampling detection, a great error occurs in the overall judgment of the water quality, and therefore, a new water quality sampling device is required to be designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a water quality sampling device and a sampling method, by using the method, sampling can be carried out in different depths of sewage, the sampled water is ensured to be water with a specified depth, in the sampling process, the condition that the sewage cannot enter a sampling tube due to the blockage of a sampling tube by impurities in the sewage can be avoided, and in the sampling process, staff can intuitively know the descending depth of the sampling tube.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a quality of water sampling device, includes the shell, the outer wall fixedly connected with kickboard of shell, driving motor is installed on the right side of shell, driving motor's output shaft end extends to the shell in and fixedly connected with first bull stick, the cover is equipped with the wire wheel on the first bull stick, around being equipped with the stay cord on the wire wheel, be equipped with sampling assembly in the shell, sampling assembly is including setting up the sampling tube in the shell, the lower extreme intercommunication of sampling tube has the sampling tube, sealing sliding connection has the piston board in the sampling tube, first electro-magnet is installed at the interior top of sampling tube, adjacent face of first electro-magnet and piston board is through two first spring elastic connection, the upper end fixedly connected with link of sampling tube, two all around being equipped with the string on the link, two the lower extreme fixed connection of string and stay cord.
Preferably, the lower extreme of sampling tube is equipped with the filter screen, the interior top of sampling tube rotates and is connected with the second bull stick, the filter screen is run through to the lower extreme of second bull stick, piston plate and the outer wall sealing sliding connection of second bull stick, the outer wall of second bull stick is along its circumference fixedly connected with a plurality of scrapers.
Preferably, the upper end fixedly connected with rack of piston board, the left side inner wall of sampling tube rotates and is connected with the horizontal pole, be equipped with on the horizontal pole with rack-meshed rotation gear, all be equipped with intermeshing's bevel gear on horizontal pole and the second bull stick.
Preferably, the inner top of the sampling tube and the upper end of the piston plate are both fixedly connected with an L-shaped rod, the right side of the L-shaped rod positioned below is fixedly connected with a second contact piece, and the left side of the L-shaped rod positioned above is fixedly connected with a plurality of first contact pieces.
Preferably, the outer wall fixedly connected with two rectangle boxes of sampling tube, two be equipped with the second electro-magnet on the inner wall of one side that the sampling tube was kept away from to the rectangle box, two equal sliding connection has the movable block in the rectangle box, two the movable block passes through second spring elastic connection with the adjacent face that corresponds the second electro-magnet, two one side intercommunication that the rectangle box is close to the sampling tube has hydrojet pipe and feed liquor pipe, two feed liquor pipe and the inside intercommunication of sampling tube, every all be equipped with the check valve on feed liquor pipe and the hydrojet pipe.
Preferably, the shell is internally fixedly connected with a circular plate, a moving cavity is arranged in the circular plate, the left side inner wall of the moving cavity is rotationally connected with a third rotating rod, a threaded layer is arranged on the third rotating rod, the threaded part is in threaded connection with a connecting block, the connecting block is in sliding connection with the front side inner wall and the rear side inner wall of the moving cavity, two sliding blocks are in sliding connection with the moving cavity, two sliding blocks are positioned on the right side, connecting rods are fixedly connected with adjacent surfaces of the sliding blocks and the connecting block together, two sliding blocks are fixedly connected with mounting blocks together, the front side of the mounting blocks is rotationally connected with a first guide roller, the front side and the rear side inner wall of the moving cavity are rotationally connected with a second guide roller together, strip-shaped openings are formed in the inner top and the inner bottom of the moving cavity, and the pull ropes penetrate through the two strip-shaped openings.
Preferably, the first rotating rod and the third rotating rod are in transmission connection through a transmission assembly, the transmission assembly comprises transmission wheels arranged on the first rotating rod and the third rotating rod, and the two transmission wheels are in transmission connection through a transmission belt.
Preferably, the lower extreme of sampling tube is equipped with water level sensor, the outer wall of shell is equipped with the display module, the display module is including setting up the display box at the outer wall of shell, the interior top fixedly connected with electric telescopic handle of display box, electric telescopic handle's expansion end fixedly connected with instruction piece, the display box is made for glass material, the front side of display box is equipped with the scale mark.
Preferably, the first contact and the plurality of second contacts form a conductive unit, a power supply is arranged in the shell, and the power supply, the conductive unit and the two second electromagnets form a loop through wires.
In order to achieve the above object, the present invention further provides a sampling method of a water quality sampling device, comprising the steps of:
s1: after the shell can be bound by a worker through the binding rope, the shell can be lost in a designated area in sewage, and the shell can stably float on the water surface under the action of the floating plate;
s2: starting a driving motor to drive a first rotating rod to rotate, so that a wire wheel rotates clockwise to loosen a pull rope, the sampling tube moves downwards under the action of gravity of the sampling tube, the sampling tube moves downwards to a designated depth, and a worker can judge the water depth of the sampling tube according to scale marks corresponding to an indication block in a display box;
s3: when the sampling tube moves to a designated position, the first electromagnet can be controlled to be electrified at the moment, so that the first electromagnet generates attraction force on the piston plate, and the piston plate moves upwards, so that the bottom space of the sampling tube is increased, the air pressure is reduced, and sewage enters the sampling tube through the sampling tube at the moment;
s4: in the sampling process, the second rotating rods can drive the plurality of scrapers to rotate, so that impurities at the filter screen are scraped away, meanwhile, in the sampling process, the two second electromagnets can be continuously electrified and powered off, and then the two rectangular boxes can continuously spray water flow, and the impurities on the filter screen can be sprayed away by utilizing the water flow;
s5: after the sampling is finished, the driving motor can be controlled to drive the first rotating rod to rotate anticlockwise, so that the wire wheel rotates anticlockwise, the sampling tube is pulled into the shell, the first electromagnet can be closed at the moment, when water in the sampling tube needs to be taken out, the electromagnetic valve on the short tube can be opened at the moment, and under the elastic action of the first spring, the piston plate is reset, and then the water is discharged through the sampling tube.
The invention has the following beneficial effects:
1. compared with the prior art, through the arrangement of the wire wheel and the electromagnet, when a deeper water layer needs to be sampled, the driving motor drives the first rotating rod to rotate clockwise at the moment, so that the sampling tube moves down to a designated depth, and the first electromagnet is electrified to sample, so that water quality with different depths can be sampled;
2. compared with the prior art, through the arrangement of the display component and the water level sensor, in the sampling process, the indication block is controlled to move upwards according to the electric signal generated by the water level sensor, and a worker can judge the water depth of the sampling cylinder according to the scale mark corresponding to the indication block;
3. compared with the prior art, through the arrangement of the plurality of scrapers and the second electromagnet on the second rotating rod, the rotation of the plurality of scrapers can avoid the situation that the sampling tube is blocked by impurities in sewage in the sampling process, and meanwhile, the second electromagnet is continuously powered on and powered off, so that the liquid spraying pipe intermittently sprays water flow, the impurities accumulated on the filter screen are washed away by the water flow, and the situation that the filter screen is blocked by the impurities is further avoided;
4. compared with the prior art, through the setting of third bull stick and two sliders for when the stay cord is convoluteed, can make the winding that the stay cord is regular take turns on the line, and then avoid the stay cord to appear winding condition when convoluteing, ensure follow-up when driving motor operates, the sampler barrel can normally move down.
In summary, the invention can intuitively and efficiently achieve the preset target position to realize the sampling work according to the requirement, and in the sampling process, the scraper blade is rotated by utilizing the up-and-down movement of the piston plate, and on the basis, the second electromagnet is intermittently powered on and off to generate impact water flow, so that impurities on the filter screen are cleaned, and the successful operation of the whole device is ensured.
Drawings
FIG. 1 is a schematic perspective view of a water sampling device according to the present invention;
FIG. 2 is a schematic perspective view of a water sampling device according to the present invention;
FIG. 3 is a front cross-sectional view of FIG. 1;
FIG. 4 is a rear cross-sectional view of FIG. 1;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 3;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 3;
FIG. 7 is an enlarged schematic view of FIG. 4 at C;
FIG. 8 is an enlarged schematic view of the structure of FIG. 4 at D;
fig. 9 is a schematic diagram of a display assembly.
In the figure: 1 shell, 2 floating plates, 3 driving motors, 4 first rotating rods, 5 wire wheels, 6 transmission components, 7 circular plates, 8 sampling cylinders, 9 hanging rings, 10 first electromagnets, 11 first springs, 12 piston plates, 13 sampling pipes, 14 rectangular boxes, 15 second rotating rods, 16 cross rods, 17 rotating gears, 18 racks, 19 bevel gears, 20L-shaped rods, 21 first contact plates, 22 second contact plates, 23 third rotating rods, 24 bar-shaped openings, 25 sliding blocks, 26 first guide rollers, 27 mounting blocks, 28 second guide rollers, 29 pull ropes, 30 second electromagnets, 31 second springs, 32 moving blocks, 33 liquid inlet pipes, 34 liquid spraying pipes, 35 scraping plates, 36 filter screens, 37 water level sensors, 38 electric telescopic rods, 39 indicating blocks and 40 display boxes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-9, a water quality sampling device comprises a housing 1, in the process of sampling, the housing 1 can be bound by using a binding rope, the other end of the binding rope is fixed at other positions, the situation that the housing 1 floats around due to water flow is avoided, a floating plate 2 is fixedly connected to the outer wall of the housing 1, a driving motor 3 is mounted on the right side of the housing 1, the driving motor 3 is a servo motor, a controller is arranged, a worker can control the driving motor 3 to drive a first rotating rod 4 to rotate clockwise or anticlockwise by using the controller, the tail end of an output shaft of the driving motor 3 extends into the housing 1 and is fixedly connected with the first rotating rod 4, a wire wheel 5 is sleeved on the first rotating rod 4, a pull rope 29 is wound on the wire wheel 5, a sampling assembly is arranged in the housing 1, the sampling assembly comprises a sampling tube 8 arranged in the housing 1, the lower end of the sampling tube 8 is communicated with a sampling tube 13, the inner top of the sampling tube 8 is provided with a first electromagnet 10, the controller can control the first electromagnet 10 to be powered on and off, the piston plate 12 is made of iron material, the first electromagnet 10 can generate attraction force on the piston plate 12 after being powered on, the adjacent surfaces of the first electromagnet 10 and the piston plate 12 are elastically connected through two first springs 11, the upper end of the sampling tube 8 is fixedly connected with two hanging rings 9, the two hanging rings 9 are respectively wound with a string, the two strings are fixedly connected with the lower end of a pull rope 29, the inner top of the sampling tube 8 is provided with a short tube and an air hole, the short tube is provided with a valve, the air hole is internally provided with a one-way valve, so that air at the inner top of the sampling tube 8 is discharged unidirectionally through the air hole, when water in the sampling tube 8 needs to be discharged, the valve on the short tube is controlled to be opened at the moment, and under the elastic action of the first springs 11, so that the piston plate 12 moves downward and the water in the cartridge 8 can be discharged.
The lower extreme of sampling tube 13 is equipped with filter screen 36, and the interior top of sampling tube 8 rotates and is connected with second bull stick 15, and filter screen 36 is run through to the lower extreme of second bull stick 15, and piston plate 12 and the outer wall sealing sliding connection of second bull stick 15, the outer wall of second bull stick 15 along its circumference fixedly connected with a plurality of scraper blades 35, the upper end fixedly connected with rack 18 of piston plate 12, the left side inner wall rotation of sampling tube 8 is connected with horizontal pole 16, be equipped with on the horizontal pole 16 with rack 18 engaged rotation gear 17, all be equipped with intermeshing's bevel gear 19 on horizontal pole 16 and the second bull stick 15.
The inner top of the sampling tube 8 and the upper end of the piston plate 12 are fixedly connected with an L-shaped rod 20, the right side of the L-shaped rod 20 positioned below is fixedly connected with a second contact piece 22, the left side of the L-shaped rod 20 positioned above is fixedly connected with a plurality of first contact pieces 21, the outer wall of the sampling tube 13 is fixedly connected with two rectangular boxes 14, the included angle of the two rectangular boxes 14 is ninety degrees, the inner wall of one side of the two rectangular boxes 14 far away from the sampling tube 13 is provided with a second electromagnet 30, moving blocks 32 are slidably connected in the two rectangular boxes 14, the two moving blocks 32 are elastically connected with the adjacent surface of the corresponding second electromagnet 30 through a second spring 31, one side of the two rectangular boxes 14 close to the sampling tube 13 is communicated with a liquid spraying tube 34 and a liquid inlet tube 33, the two liquid inlet tubes 33 are communicated with the inside of the sampling tube 13, each liquid inlet tube 33 and the liquid spraying tube 34 are respectively provided with a one-way valve, water in the sampling tube 13 enters the rectangular boxes 14 in a one-way manner through the liquid inlet tube 33, the water in the rectangular boxes 14 is sprayed out of the one-way contact pieces 34 through the liquid inlet tube 33 and the liquid inlet tube 33, the first contact pieces 21 and the second contact pieces 22 are connected with the first conductive units 1 and the second conductive units, and the second conductive units are arranged in the conductive units and form a conductive circuit, and the conductive circuit 30 is formed by the conductive units.
The inner wall of the left side of the moving cavity is rotationally connected with a third rotating rod 23, a threaded layer is arranged on the third rotating rod 23, the threaded layer of the third rotating rod 23 is a threaded layer similar to a reciprocating screw rod, a threaded part is in threaded connection with a connecting block, the connecting block is in sliding connection with the inner wall of the front side and the rear side of the moving cavity, two sliding blocks 25 are in sliding connection in the moving cavity, the sliding blocks 25 on the right side are fixedly connected with connecting rods together with the adjacent surfaces of the connecting block, the adjacent sides of the two sliding blocks 25 are fixedly connected with a mounting block 27 together, the front side of the mounting block 27 is rotationally connected with a first guide roller 26, the inner walls of the front side and the rear side of the moving cavity are rotationally connected with a second guide roller 28, the inner top and the inner bottom of the moving cavity are respectively provided with a strip-shaped opening 24, a pull rope 29 penetrates through the two strip-shaped openings 24, the first rotating rod 4 and the third rotating rod 23 are in transmission connection through a transmission assembly 6, and the transmission assembly 6 comprises a transmission wheel arranged on the first rotating rod 4 and the third rotating rod 23, and the transmission wheels are in transmission connection through a transmission belt.
Wherein, the lower extreme of sampling tube 8 is equipped with water level sensor 37, water level sensor 37 can produce different signal transmission to the controller according to the depth of water, the degree of controller control electric telescopic handle 38 shrink, thereby the staff of being convenient for knows the depth of water that sampling tube 8 was located this moment, shell 1's outer wall is equipped with the display module, the display module is including setting up the display box 40 at shell 1's outer wall, the interior top fixedly connected with electric telescopic handle 38 of display box 40, electric telescopic handle 38's telescopic end fixedly connected with instruction piece 39, display box 40 is made for the glass material, the front side of display box 40 is equipped with the scale mark.
The invention also provides a sampling method of the water quality sampling device, which comprises the following steps:
s1: after the shell 1 can be bound by a worker through the binding rope, the shell 1 can be lost in a designated area in sewage, and the shell 1 can stably float on the water surface under the action of the floating plate 2;
s2: starting the driving motor 3, so that the driving motor 3 drives the first rotating rod 4 to rotate, the wire wheel 5 rotates clockwise, the pull rope 29 is loosened, the sampling tube 8 moves downwards under the action of gravity of the self, the sampling tube 8 moves to a designated depth, and a worker can judge the water depth of the sampling tube 8 according to the scale mark corresponding to the indication block 39 in the display box 40;
s3: when the sampling tube 8 moves to a designated position, the first electromagnet 10 can be controlled to be electrified at the moment, so that the first electromagnet 10 generates attraction force on the piston plate 12, and then the piston plate 12 moves upwards, so that the bottom space of the sampling tube 8 is increased, the air pressure is reduced, and sewage can enter the sampling tube 8 through the sampling tube 13 at the moment;
s4: in the process of sampling, the second rotating rod 15 drives the plurality of scrapers 35 to rotate, so that impurities at the filter screen 36 are scraped away, meanwhile, in the process of sampling, the two second electromagnets 30 are continuously electrified and powered off, so that the two rectangular boxes 14 can continuously spray water flow, and the impurities on the filter screen 36 can be sprayed away by utilizing the water flow;
s5: after the sampling is finished, the driving motor 3 can be controlled to drive the first rotating rod 4 to rotate anticlockwise at the moment, so that the wire wheel 5 rotates anticlockwise, the sampling tube 8 is pulled into the shell 1, the first electromagnet 10 can be closed at the moment, when water in the sampling tube 8 needs to be taken out, the electromagnetic valve on the short tube can be opened at the moment, and under the elastic action of the first spring 11, the piston plate 12 is reset, and the water is discharged through the sampling tube 13.
The invention can explain its functional principle by the following modes of operation: when the water quality is sampled, after the shell 1 is tightly bound by the binding rope, the other end of the binding rope is fixed at one position by a worker at the moment, so that the situation that the shell 1 moves due to the flow of sewage is avoided, the shell 1 is vertically placed in water, and the shell 1 floats on the water surface due to the action of the floating plate 2 at the moment;
when the shell 1 is placed, the driving motor 3 can be started at the moment, so that the output shaft of the driving motor 3 drives the first rotating rod 4 to rotate clockwise, the wire wheel 5 rotates clockwise, the pull rope 29 is loosened, and the sampling tube 8 sinks into water under the action of self gravity;
along with the continuous sinking of the sampling tube 8, the water level sensor 37 generates an electric signal, the electric signal is continuously increased, the electric signal is continuously transmitted to the controller, the controller controls the electric telescopic rod 38 to continuously shrink, so that the indicating block 39 continuously moves upwards, a worker can judge the water depth of the sampling tube 8 according to the scale mark corresponding to the indicating block 39, and when the scale mark corresponding to the indicating block 39 reaches the expectation of the worker, the worker can close the driving motor 3, and then the first electromagnet 10 is controlled to be electrified;
after the first electromagnet 10 is electrified, an attractive force is generated on the piston plate 12, so that the piston plate 12 moves upwards, the bottom space of the sampling tube 8 is increased, the air pressure is reduced, water enters the sampling tube 8 through the sampling tube 13, and water quality is sampled;
in the process of moving up the piston plate 12, the rack 18 is moved up, so that the rack 18 drives the rotary gear 17 to rotate, the cross rod 16 rotates, and the two bevel gears 19 are in a meshed state, so that the cross rod 16 rotates to drive the second rotary rod 15 to rotate, and the three scrapers 35 rotate, so that when the sampling tube 8 extracts a water sample, water flow can be provided with partial impurities attached to the filter screen 36, and the three scrapers 35 scrape the impurities, so that the filter screen 36 is prevented from being blocked due to the fact that the impurities are accumulated at one position;
when the piston plate 12 moves upwards, the second contact piece 22 is intermittently contacted with the plurality of first contact pieces 21, so that the two second electromagnets 30 are intermittently powered on and off, when the second electromagnets 30 are powered on, the second electromagnets 30 generate attraction force on the corresponding moving blocks 32, so that the two moving blocks 32 move towards the direction far away from the sampling tube 13, water in the same water layer enters the rectangular box 14 through the liquid inlet tube 33, when the second electromagnets 30 are powered off, the moving blocks 32 move backwards under the elastic action of the second springs 31, water in the rectangular box 14 is sprayed out through the liquid spraying tube 34, and impurities on the filter screen 36 are washed away by the sprayed water flow, so that the situation that the filter screen 36 is blocked by excessive impurities is further avoided;
after sampling is finished, the driving motor 3 can be controlled to drive the first rotating rod 4 to rotate anticlockwise, so that the pull rope 29 is wound on the wire wheel 5 again, and in the process of rotating the first rotating rod 4, the transmission assembly 6 drives the third rotating rod 23 to rotate, so that the third rotating rod 23 drives the connecting block to move left and right, and the two sliding blocks 25 move left and right, so that the wire wheel 5 can uniformly wind the pull rope 29 on the wire wheel 5 when the pull rope 29 is wound, and the situation that the pull rope 29 is wound on the wire wheel 5 is avoided;
after the sampling tube 8 enters the shell 1, the driving motor 3 can be closed at the moment, the first electromagnet 10 is powered off by a worker at the moment, then the sampling tube 8 is taken out after the string is unwound, the valve on the short tube is opened, so that the space above the sampling tube 8 is communicated with the outside, the piston plate 12 is reset under the elastic action of the first spring 11 at the moment, and the water in the sampling tube 8 can be discharged through the sampling tube 13 at the moment.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (10)
1. A water sampling device comprising a housing (1), characterized in that: the utility model discloses a high-precision sampling device for a liquid crystal display, including shell (1), outer wall fixedly connected with kickboard (2) of shell (1), driving motor (3) are installed on the right side of shell (1), driving motor's (3) output shaft end extends to in shell (1) and fixedly connected with first bull stick (4), the cover is equipped with reel (5) on first bull stick (4), around being equipped with stay cord (29) on reel (5), be equipped with sampling assembly in shell (1), sampling assembly is including setting up sampling tube (8) in shell (1), sampling tube (8) lower extreme intercommunication has sampling tube (13), sealing sliding connection has piston board (12) in sampling tube (8), first electro-magnet (10) are installed at the interior top of sampling tube (8), the adjacent face of first electro-magnet (10) and piston board (12) is through two first spring (11) elastic connection, the upper end of sampling tube (8) is connected with two link (9), two on link (9) are equipped with two around two down fixed rope (29).
2. A water sampling device according to claim 1, wherein: the lower extreme of sampling tube (13) is equipped with filter screen (36), the interior top rotation of sampling tube (8) is connected with second bull stick (15), filter screen (36) are run through to the lower extreme of second bull stick (15), piston plate (12) and the outer wall sealing sliding connection of second bull stick (15), the outer wall of second bull stick (15) is along its circumference fixedly connected with a plurality of scraper blades (35).
3. A water sampling device according to claim 2, wherein: the upper end fixedly connected with rack (18) of piston board (12), the left side inner wall of sampling tube (8) rotates and is connected with horizontal pole (16), be equipped with on horizontal pole (16) with rack (18) engaged rotation gear (17), all be equipped with intermeshing's bevel gear (19) on horizontal pole (16) and the second bull stick (15).
4. A water sampling device according to claim 1, wherein: the inner top of the sampling tube (8) and the upper end of the piston plate (12) are fixedly connected with an L-shaped rod (20), the right side of the L-shaped rod (20) positioned below is fixedly connected with a second contact piece (22), and the left side of the L-shaped rod (20) positioned above is fixedly connected with a plurality of first contact pieces (21).
5. The water sampling device of claim 4, wherein: the outer wall fixedly connected with two rectangle boxes (14) of sampling tube (13), two be equipped with second electro-magnet (30) on the inner wall of one side that sampling tube (13) was kept away from to rectangle box (14), two equal sliding connection has movable block (32) in rectangle box (14), two movable block (32) pass through second spring (31) elastic connection with the adjacent face that corresponds second electro-magnet (30), two one side intercommunication that sampling tube (13) was close to rectangle box (14) has hydrojet pipe (34) and feed liquor pipe (33), two feed liquor pipe (33) and sampling tube (13) inside intercommunication, every all be equipped with the check valve on feed liquor pipe (33) and hydrojet pipe (34).
6. A water sampling device according to claim 1, wherein: the shell (1) is internally and fixedly connected with a circular plate (7), a movable cavity is arranged in the circular plate (7), the left inner wall of the movable cavity is rotationally connected with a third rotating rod (23), the third rotating rod (23) is provided with a threaded layer, the threaded part is in threaded connection with a connecting block, the connecting block is in sliding connection with the front inner wall and the rear inner wall of the movable cavity, two sliding blocks (25) are in sliding connection in the movable cavity, the connecting rod is fixedly connected with the adjacent surfaces of the sliding blocks (25) and the connecting blocks on the right side, the two installing blocks (27) are fixedly connected with the adjacent sides of the sliding blocks (25), the first guide rollers (26) are rotationally connected with the front sides of the installing blocks (27), the second guide rollers (28) are rotationally connected with the inner walls of the front side and the rear side of the moving cavity, the strip-shaped openings (24) are formed in the inner top and the inner bottom of the moving cavity, and the pull ropes (29) penetrate through the two strip-shaped openings (24).
7. The water sampling device of claim 6, wherein: the first rotating rod (4) and the third rotating rod (23) are in transmission connection through a transmission assembly (6), the transmission assembly (6) comprises transmission wheels arranged on the first rotating rod (4) and the third rotating rod (23), and the two transmission wheels are in transmission connection through a transmission belt.
8. A water sampling device according to claim 1, wherein: the lower extreme of sampling tube (8) is equipped with water level sensor (37), the outer wall of shell (1) is equipped with the display module, the display module is including setting up in the display box (40) of the outer wall of shell (1), the interior top fixedly connected with electric telescopic handle (38) of display box (40), the flexible end fixedly connected with of electric telescopic handle (38) indicates piece (39), display box (40) are made for the glass material, the front side of display box (40) is equipped with the scale mark.
9. A water sampling device according to claim 5, wherein: the first contact piece (21) and the plurality of second contact pieces (22) form a conductive unit, a power supply is arranged in the shell (1), and the power supply, the conductive unit and the two second electromagnets (30) form a loop through wires.
10. The sampling method of the water quality sampling device is characterized by comprising the following steps of:
s1: after the shell (1) can be bound by a worker through the binding rope, the shell (1) can be thrown into a designated area in sewage, and the shell (1) can stably float on the water surface under the action of the floating plate (2);
s2: starting the driving motor (3), enabling the driving motor (3) to drive the first rotating rod (4) to rotate, enabling the wire wheel (5) to rotate clockwise, enabling the pull rope (29) to be loosened, enabling the sampling tube (8) to move downwards under the action of gravity of the sampling tube, enabling the sampling tube (8) to move downwards to a designated depth, and enabling staff to judge the water depth of the sampling tube (8) according to scale marks corresponding to the indication blocks (39) in the display box (40);
s3: when the sampling tube (8) moves to a designated position, the first electromagnet (10) can be controlled to be electrified at the moment, so that the first electromagnet (10) has an attraction force on the piston plate (12), and then the piston plate (12) moves upwards, so that the bottom space of the sampling tube (8) is increased, the air pressure is reduced, and sewage can enter the sampling tube (8) through the sampling tube (13);
s4: in the sampling process, the second rotating rod (15) drives the plurality of scrapers (35) to rotate, so that impurities at the filter screen (36) are scraped away, meanwhile, in the sampling process, the two second electromagnets (30) are continuously electrified and powered off, so that the two rectangular boxes (14) can continuously spray water flow, and the impurities on the filter screen (36) can be sprayed away by utilizing the water flow;
s5: after the sampling is finished, the driving motor (3) can be controlled to drive the first rotating rod (4) to rotate anticlockwise, so that the wire wheel (5) rotates anticlockwise, the sampling tube (8) is pulled into the shell (1), the first electromagnet (10) can be closed at the moment, when water in the sampling tube (8) needs to be taken out, the electromagnetic valve on the short tube can be opened at the moment, and under the elastic action of the first spring (11), the piston plate (12) is reset, and the water is discharged through the sampling tube (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311110740.6A CN117147227A (en) | 2023-08-31 | 2023-08-31 | Water quality sampling device and sampling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311110740.6A CN117147227A (en) | 2023-08-31 | 2023-08-31 | Water quality sampling device and sampling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419967A (en) * | 2023-12-19 | 2024-01-19 | 江苏大彭环保科技有限公司 | Industrial oil pollution waste water detection sampling device capable of preventing secondary sampling pollution |
| CN117824786A (en) * | 2024-03-04 | 2024-04-05 | 山东省地质调查院(山东省自然资源厅矿产勘查技术指导中心) | Hydrogeological exploration ground water level observation device |
-
2023
- 2023-08-31 CN CN202311110740.6A patent/CN117147227A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419967A (en) * | 2023-12-19 | 2024-01-19 | 江苏大彭环保科技有限公司 | Industrial oil pollution waste water detection sampling device capable of preventing secondary sampling pollution |
| CN117419967B (en) * | 2023-12-19 | 2024-02-23 | 江苏大彭环保科技有限公司 | Industrial oil pollution waste water detection sampling device capable of preventing secondary sampling pollution |
| CN117824786A (en) * | 2024-03-04 | 2024-04-05 | 山东省地质调查院(山东省自然资源厅矿产勘查技术指导中心) | Hydrogeological exploration ground water level observation device |
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