CN116659962A - Liquid sampler and collecting method thereof - Google Patents
Liquid sampler and collecting method thereof Download PDFInfo
- Publication number
- CN116659962A CN116659962A CN202310958887.4A CN202310958887A CN116659962A CN 116659962 A CN116659962 A CN 116659962A CN 202310958887 A CN202310958887 A CN 202310958887A CN 116659962 A CN116659962 A CN 116659962A
- Authority
- CN
- China
- Prior art keywords
- liquid
- piston rod
- sampling
- disc
- sample storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000007667 floating Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000003373 anti-fouling effect Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of liquid sampling, in particular to a liquid sampler and a collecting method thereof, the liquid sampler comprises a sampling assembly, the sampling assembly comprises a connecting ring and a base which are connected through a filter screen, a mounting seat is rotatably arranged on the base, a sample storage bottle comprises a shell, a liquid discharge pipe and a mounting column, a piston rod is slidably arranged on the mounting column, a spring is arranged between the piston rod and the mounting column, a floating disc is slidably arranged in the shell, and a limiting rod for limiting the movement of the piston rod is arranged at the bottom of the floating disc; the depth adjusting assembly is used for controlling the depth of the sampling assembly in liquid and comprises a pontoon, and a connecting pipe communicated with the sample storage bottle is slidably arranged on the pontoon. According to the invention, the liquid sample is automatically extracted through the sample storage bottle entering the sampling station, the floating disc ascends and blocks the liquid discharge pipe, so that when the liquid discharge pipe moves to the non-sampling station, the limiting rod moves upwards and limits the piston rod, the volume of the collected sample can be controlled, the sample can be separately sampled, the mutual mixing of the sample and the liquid is prevented, and the sampling precision is improved.
Description
Technical Field
The invention relates to the technical field of liquid sampling, in particular to a liquid sampler and a liquid sampling method.
Background
Liquid sampling refers to the process of obtaining a sample from a liquid medium. Liquid sampling typically involves collecting samples from liquid environments such as liquid containers, pipes, rivers, lakes, oceans, etc., for the purpose of detecting contaminants, chemicals, microorganisms, etc., in the liquid, or obtaining representative samples for further analysis and study.
In liquid sampling, specific sampling devices and methods are typically used to ensure accuracy and representativeness of the sample. The structure of the traditional river sampler is single, and the traditional river sampler can only sample at fixed points, and the components in river in different positions and areas are very different, so that the water in the river needs to be sampled at a plurality of fixed points, and the water quality in the river needs to be comprehensively detected and sampled, but the water quality in the river needs to be sampled at a single point by a worker, so that the convenience is brought to the fact that the worker needs to move to different points, the labor intensity of the worker is high, and the river in different positions cannot be sampled by the worker.
The authorized bulletin number is: CN109115554B discloses a river sewage sampler, through setting up a plurality of sampling balls that can absorb water in the backup pad bottom, make it in the river course and along with the continuous change position of river water to absorb the river water of different positions one by one, realize the sampling to different positions river water, but still have following not enough:
1. the sampling balls can move in the water absorption process, and the sampling balls are slowly filled with liquid, so that in the sampling process, the sampling balls can absorb river water at different positions, each sampling ball contains river water samples at a plurality of positions, the water amount absorbed at the positions is different, the singleness of sampling detection is not met, and the detection result of the samples is inaccurate;
2. when the sampling ball is separated from river water, part of liquid flows out, and the liquid sample in the sampling ball is uneven, so that the final detection result is deviated from the actual situation, and the detection accuracy is affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the liquid sampler and the collecting method thereof, which can effectively solve the problems that the volume of the collected sample cannot be controlled, the sample cannot be separately sampled, the sample is impure, and the detection precision is affected.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides a liquid sampler, which comprises a sampling assembly, wherein the sampling assembly is used for automatically acquiring a liquid sample and comprises a connecting ring and a base which are connected through a filter screen, a motor is arranged on the base, and a mounting seat which is connected with the motor in a driving way is rotatably arranged on the base;
the sample storage bottles are distributed on the mounting seats in a ring-shaped array, each sample storage bottle comprises a shell, a liquid discharge pipe arranged on the shell and a mounting column arranged on the outer peripheral surface of the shell, a piston rod is slidably arranged on the mounting column, a spring for pulling the piston rod to enable the shell to be communicated with the outside is arranged between the piston rod and the mounting column, a floating disc is slidably arranged in the shell, and a limiting rod for limiting the piston rod to move is arranged at the bottom of the floating disc;
the depth adjusting assembly is used for controlling the depth of the sampling assembly in liquid and comprises a pontoon, and a connecting pipe communicated with the sample storage bottle is slidably arranged on the pontoon.
Further, the second sealing disc is rotatably arranged on the base, the bottom of the mounting seat is connected with the top of the second sealing disc, the first sealing disc is rotatably arranged on the connecting ring, and the first sealing disc is connected with the top of the mounting seat.
Further, the connecting ring is rotatably provided with a dirt guiding disc, the dirt guiding disc is provided with a through hole sleeved on the liquid discharge pipe, the axis of the mounting seat is provided with a water storage tank, and the dirt guiding disc is provided with a round table groove for liquid to enter the water storage tank.
Further, the sampling assembly further comprises a fixed disc movably connected with the connecting ring, an anti-fouling ring attached to the liquid discharge pipe is arranged on the fixed disc, and an avoidance groove is formed in the anti-fouling ring.
Further, the fluid-discharge tube sets up at the top of storing up the appearance bottle, and slidable mounting has the movable frame of being connected with the floating disc on the storing up the appearance bottle, the gag lever post sets up on the movable frame and is located the below of erection column, and the floating disc is located the top of erection column.
Further, be equipped with multiunit feed liquor hole on the erection column, and be equipped with the drain groove on the piston rod, the one end that the sample storage bottle inner chamber was kept away from to the piston rod is equipped with the spheroid, and the spring housing is established on the piston rod and is supported spheroid and erection column respectively, be equipped with the spacing hole that is located between spheroid and the drain groove on the piston rod, and mount pad and spacing hole sliding connection.
Further, the liquid guide grooves are provided with two groups and are symmetrically distributed on the side face of the piston rod, and the gap between the two groups of liquid guide grooves is larger than the diameter of the limiting rod.
Further, the depth adjusting assembly further comprises a floating bag arranged on the connecting pipe, a driving piece communicated with the connecting pipe is arranged in the floating bag, one end, communicated with the driving piece, of the connecting pipe stretches into the fixed disc and faces the dirt guiding disc, and a radar detector for detecting the distance between the floating bag and the pontoon is arranged at the top end of the floating bag.
The acquisition method of the liquid sampler is applied to the liquid sampler and comprises the following steps of:
s1, placing a depth adjusting assembly and a sampling assembly into liquid to be sampled, and controlling the descending depth of the sampling assembly according to sampling requirements by releasing a connecting pipe and controlling the gas pressure in a buoyancy bag and matching a radar detector on the buoyancy bag to sink the sampling assembly into the liquid;
s2, a second sealing disc on the base is started to drive the mounting seat, so that the sample storage bottle on the mounting seat moves to one side of the filter screen, which is provided with the guide groove, a liquid discharge pipe on the sample storage bottle leaves the anti-fouling ring, and the spring resets and moves the piston rod towards the filter screen;
s3, the piston rod moves and communicates the liquid guide groove with a liquid inlet hole on the mounting column, and as the sampling assembly is positioned in liquid and the liquid discharge pipe is opened, the liquid is pressed into the shell, gas is discharged from the connecting pipe, the floating disc rises under the action of pressure and liquid buoyancy until the floating disc props against the liquid discharge pipe, and at the moment, the floating disc pulls the limiting rod on the movable frame to prop against the bottom end of the piston rod;
s4, driving the sealing disc II to drive the mounting seat to rotate again, enabling the sample storage bottle to rotate to the next station, enabling the piston rod to leave the guide groove and compress the spring again, enabling the piston rod to extend into the shell to enable the liquid guide groove and the liquid inlet to be misplaced, enabling the limiting hole to move to the top end of the limiting rod, and enabling the limiting rod to ascend and extend into the limiting hole to lock the piston rod at the moment;
s5, after sampling is finished, the depth adjusting assembly and the sampling assembly are pulled away from the sampling liquid through the connecting pipe, the fixing disc and the connecting ring are opened, and the sample storage bottle can be taken out after the dirt guiding disc is disassembled.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the liquid discharge pipe and the anti-fouling ring are separated from each other to be communicated with the outside through the sample storage bottle, the piston rod enters the guide groove to be communicated with the liquid guide groove and the liquid inlet hole, liquid can be pressed into the shell through water pressure, the floating disc ascends and blocks the liquid discharge pipe, the limiting rod is driven to prop against the bottom end of the piston rod, and after the piston rod stretches into the shell, the limiting rod moves upwards and stretches into the limiting hole to limit the piston rod, the volume of a collected sample can be controlled, the sample can be separated to be sampled, the mutual mixing of the sample liquid is prevented, and the sampling precision is improved.
2. The sampling assembly is driven to ascend and descend in liquid through the air inflation or the exhaust of the floating bag, samples of different depth liquids can be collected conveniently, the sample storage bottle can be communicated with the outside through the connecting pipe, sampling is convenient, and meanwhile, depth data during sampling is recorded by being matched with the radar detector on the floating bag, so that samples of different depths can be collected conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view of a depth adjustment assembly of the present invention;
FIG. 3 is an exploded view of the sampling assembly of the present invention;
FIG. 4 is a partial cross-sectional view of a sampling assembly of the present invention;
FIG. 5 is a cross-sectional view of a sample storage vial of the present invention in which liquid is fed;
FIG. 6 is a cross-sectional view of a sample storage vial of the present invention filled with liquid;
FIG. 7 is a top view of a sample storage bottle in contact with a filter screen in various positions according to the present invention.
Reference numerals: 1. a depth adjustment assembly; 11. a buoyancy bag; 12. a driving member; 13. a connecting pipe; 14. a pontoon; 2. a sampling assembly; 21. a fixed plate; 211. an anti-fouling ring; 22. a connecting ring; 221. a sealing disk I; 222. a dirt guiding plate; 23. a filter screen; 231. a guide groove; 24. a base; 241. a second sealing disc; 242. a motor; 25. a mounting base; 26. a sample storage bottle; 261. a housing; 262. a liquid discharge pipe; 263. a floating plate; 264. a movable frame; 265. a limit rod; 266. a piston rod; 2661. a liquid guiding groove; 2662. a limiting hole; 267. a mounting column; 2671. a liquid inlet hole; 268. and (3) a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of 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. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples:
1-7, including sampling assembly 2 for automatic acquisition liquid sample, sampling assembly 2 includes go-between 22 and base 24 that connect through filter screen 23, and filter screen 23 is arranged in filtering the fixed granule in the sample, prevents to block up the sampling hole, and is equipped with motor 242 on the base 24, rotates on the base 24 and installs the mount pad 25 that is connected with motor 242 drive, rotates the sample storage bottle 26 on the mount pad 25 through motor 242 drive mount pad 25, samples in proper order.
Specifically, the second sealing plate 241 is rotatably installed on the base 24, the bottom of the mounting seat 25 is connected with the top of the second sealing plate 241, the first sealing plate 221 is rotatably installed on the connecting ring 22, the first sealing plate 221 is connected with the top of the mounting seat 25, the first sealing plate 241 and the first sealing plate 221 are used for sealing, liquid is prevented from entering, the second sealing plate 241 is prevented from being damaged, the liquid is prevented from entering the cavity in the fixed plate 21 and the connecting ring 22, the sample storage bottle 26 is prevented from flowing backwards from the liquid discharge pipe 262 to enter the shell 261 when entering the sampling station, and the sampling precision is improved.
Further, the dirt guiding plate 222 is rotatably installed on the connecting ring 22, through holes sleeved on the liquid discharging pipe 262 are formed in the dirt guiding plate 222, the number of the through holes in the liquid discharging pipe 262 is the same as that of the sample storing bottles 26, a water storage tank is arranged at the axle center of the mounting seat 25, a round table groove for allowing liquid to enter the water storage tank is formed in the dirt guiding plate 222, and when the sample storing bottles 26 are sampled, the liquid overflowed from the liquid discharging pipe 262 is guided into the water storage tank on the mounting seat 25 by the dirt guiding plate 222, so that other sample storing bottles 26 are prevented from being polluted after the liquid overflows from the liquid discharging pipe 262.
Still further, the sampling assembly 2 further includes a fixed disk 21 movably connected with the connecting ring 22, the fixed disk 21 is detachably connected with the connecting ring 22, and is optionally in threaded connection or in snap connection, etc., and an anti-fouling ring 211 attached to the liquid discharge pipe 262 is provided on the fixed disk 21, an avoidance groove is provided on the anti-fouling ring 211, the anti-fouling ring 211 is propped against the liquid discharge pipe 262 not in the sampling station, and the avoidance groove on the anti-fouling ring 211 is used for opening the liquid discharge pipe 262 of the sample storage bottle 26 in the sampling station, so that the shell 261 is communicated with the connecting pipe 13, and when the liquid guide groove 2661 on the piston rod 266 is communicated with the liquid inlet 2671 on the mounting column 267, liquid enters the shell 261 and discharges the air inside the shell 261 through the liquid discharge pipe 262 and the connecting pipe 13.
And a plurality of groups of sample storage bottles 26 distributed on the mounting seat 25 in a ring-shaped array, wherein the sample storage bottles 26 comprise a shell 261 for storing liquid, a drain 262 arranged on the shell 261 for exhausting and a mounting column 267 arranged on the outer peripheral surface of the shell 261, a piston rod 266 is slidably arranged on the mounting column 267, a spring 268 for pulling the piston rod 266 to enable the shell 261 to be communicated with the outside is arranged between the piston rod 266 and the mounting column 267, the spring 268 pushes the piston rod 266 to face a direction close to the filter screen 23, so that the liquid guide groove 2661 is always communicated with the liquid inlet 2671, when the limitation of the piston rod 266 is canceled, the spring 268 resets and opens the liquid inlet on the shell 261, a floating disc 263 is slidably arranged in the shell 261, a limit rod 265 for limiting the movement of the piston rod 266 is arranged at the bottom of the floating disc 263, and the limit rod 265 follows the floating disc 263 to enter the preparation for limiting the movement of the piston rod 266 at any time, and when the piston rod 266 enters the shell 261, the limit rod 266 enters the piston rod 266 and is limited to move outwards, so that the sampling liquid is prevented from flowing out.
Wherein, the fluid-discharge tube 262 sets up the top at the sample storage bottle 26 for exhaust gas, the fluid-discharge tube 262 passes through lid and casing 261 detachable connection, be convenient for take out the sample in the casing 261, and slidable mounting has the movable frame 264 of being connected with floating disc 263 on the sample storage bottle 26, be equipped with the elastic rope between movable frame 264 and the floating disc 263, when being used for the gag lever post 265 on the movable frame 264 to support piston rod 266 bottom, floating disc 263 still can continue to rise and block up the fluid-discharge tube 262, floating disc 263 is equipped with frustum-shaped stopper, can improve the seal to fluid-discharge tube 262 and prevent liquid from spilling, gag lever post 265 sets up on the movable frame 264 and is located the below of erection column 267, floating disc 263 is located the top of erection column 267.
In addition, be equipped with multiunit feed liquor hole 2671 on the erection column 267, and be equipped with liquid guide groove 2661 on the piston rod 266, the one end that the inner chamber of sample storage bottle 26 was kept away from to piston rod 266 is equipped with the spheroid, the spheroid can reduce with the friction between the filter screen 23, and spring 268 cover is established on piston rod 266 and is supported spheroid and erection column 267 respectively, spring 268 is anticorrosive material and makes, be equipped with the spacing hole 2662 that is located between spheroid and liquid guide groove 2661 on the piston rod 266, the cross-section of spacing hole 2662 is the trapezoidal, and the top size is less than the bottom size, be used for making things convenient for the import of gag lever post 265, and mount pad 25 and spacing hole 2662 sliding connection, be equipped with the guide block on the piston rod 266, prevent that piston rod 266 from taking place to rotate.
In addition, the liquid guiding groove 2661 is provided with two groups which are symmetrically distributed on the side surface of the piston rod 266, and the gap between the two groups of liquid guiding grooves 2661 is larger than the diameter of the limiting rod 265, so that the limiting rod 265 is prevented from being extruded and clamped into the liquid guiding groove 2661.
In the above technical scheme, the motor 242 on the base 24 drives the mounting seat 25 to drive the sample storage bottle 26 to enter the sampling station, the liquid discharge pipe 262 on the sample storage bottle 26 entering the sampling station is separated from the anti-fouling ring 211 on the fixed plate 21, so that the shell 261 is communicated with the connecting pipe 13, the same air pressure is kept with the outside, meanwhile, the piston rod 266 on the shell 261 enters the guide groove 231 arranged on the filter screen 23, at this moment, the spring 268 resets to communicate the liquid guide groove 2661 on the piston rod 266 with the liquid inlet 2671 on the mounting column 267, at this moment, the water pressure in the liquid is greater than the air pressure in the shell 261, so that the liquid can automatically enter the shell 261, at this moment, the floating plate 263 rises under the external suction force and the buoyancy of the liquid and blocks the liquid discharge pipe 262, and drives the movable frame 264 to move, so that the bottom end of the piston rod 265 arranged on the movable frame 264 is communicated with the connecting pipe 13, the piston rod 266 leaves the guide groove 231 when the shell 261 moves again, at this moment, the piston rod 266 extrudes the spring 268 and stretches into the shell 261, at this moment, the liquid guide groove 2661 and the liquid inlet 2671 is prevented from flowing in the shell 261, the liquid is prevented from moving in the misplacement mode, the limit rod 265 is moved on the piston rod 2662, the piston rod 265 is also can be separated from the sample storage bottle 25, and the sample can not can be separated from the sample storage bottle 25, and the sample can be sampled.
The depth adjusting component 1 is used for controlling the depth of the sampling component 2 in liquid, the depth adjusting component 1 comprises a pontoon 14, the pontoon 14 floats on the liquid and is used for measuring a reference object of the descending depth of the sampling component 2, a connecting pipe 13 communicated with a sample storage bottle 26 is slidably mounted on the pontoon 14, the connecting pipe 13 is slidably connected on the pontoon 14, the connecting pipe 13 is convenient to move and is communicated with the sampling component 2 and the outside, so that the internal air pressure of the sample storage bottle 26 before sampling is smaller than the pressure in the liquid when the sampling component 2 is used for sampling, and the liquid enters the shell 261 when the sample storage bottle 26 is convenient for sampling.
It should be noted that, the depth adjusting assembly 1 further includes a buoyancy bag 11 disposed on the connecting pipe 13, a driving member 12 communicated with the connecting pipe 13 is disposed in the buoyancy bag 11, the driving member 12 is used for inflating and deflating the buoyancy bag 11, thereby controlling the air pressure in the buoyancy bag 11, adjusting the depth of the sampling assembly 2 in the liquid, assisting in collecting liquid samples with different depths, one end of the connecting pipe 13 communicated with the driving member 12 extends into the fixed disk 21 and faces the dirt guiding disk 222, a housing 261 at the sampling station is used for communicating the mounting seat 25, a radar detector for detecting the distance between the buoyancy bag 11 and the pontoon 14 is disposed at the top end of the buoyancy bag 11, and the distance between the buoyancy bag 11 and the pontoon 14 is detected by the radar detector, so as to record the descending depth of the sampling assembly 2, thereby accurately collecting liquid samples with different depths.
In the above technical scheme, aerify or exhaust through the driving piece 12 in the flotation cell 11 and change buoyancy to drive sampling assembly 2 and go up and down in liquid, be convenient for gather the sample of different degree of depth liquid, can be with storing up appearance bottle 26 and external intercommunication and be convenient for sample through connecting pipe 13, the depth data when the radar detector on the flotation cell 11 of cooperation records the sample simultaneously, be convenient for gather the liquid sample of different degree of depth, improve the collection scope.
The acquisition method of the liquid sampler is applied to the liquid sampler and comprises the following steps of:
s1, placing the depth adjusting assembly 1 and the sampling assembly 2 into liquid to be sampled, and controlling the descending depth of the sampling assembly 2 according to sampling requirements by releasing a connecting pipe 13 and controlling the gas pressure in a floating bag 11 and sinking the sampling assembly 2 into the liquid in cooperation with a radar detector on the floating bag 11;
s2, a second sealing disc 241 on the base 24 is started to drive the mounting seat 25, so that the sample storage bottle 26 on the mounting seat 25 moves to one side of the filter screen 23 provided with the guide groove 231, at the moment, the liquid discharge pipe 262 on the sample storage bottle 26 leaves the anti-fouling ring 211, and the spring 268 resets and moves the piston rod 266 towards the filter screen 23;
s3, a piston rod 266 moves and communicates a liquid guide groove 2661 with a liquid inlet hole 2671 on a mounting column 267, and as the sampling assembly 2 is in liquid and the liquid discharge pipe 262 is opened, the liquid is pressed into the shell 261, gas is discharged from the connecting pipe 13, the floating disc 263 rises under the action of pressure and liquid buoyancy until the floating disc abuts against the liquid discharge pipe 262, and at the moment, the floating disc 263 pulls a limiting rod 265 on the movable frame 264 to abut against the bottom end of the piston rod 266;
s4, driving the second sealing disc 241 again to drive the mounting seat 25 to rotate, enabling the sample storage bottle 26 to rotate to the next station, enabling the piston rod 266 to leave the guide groove 231 and compress the spring 268 again, enabling the piston rod 266 to extend into the shell 261 to enable the liquid guide groove 2661 to be misplaced with the liquid inlet hole 2671, enabling the limiting hole 2662 to move to the top end of the limiting rod 265, and enabling the limiting rod 265 to rise and extend into the limiting hole 2662 to lock the piston rod 266;
and S5, after the sampling is finished, the depth adjusting assembly 1 and the sampling assembly 2 are pulled away from the sampling liquid through the connecting pipe 13, the fixed disc 21 and the connecting ring 22 are opened, and the sample storage bottle 26 can be taken out after the dirt guiding disc 222 is detached.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. Liquid sampler, its characterized in that includes:
the sampling assembly (2) is used for automatically acquiring a liquid sample, the sampling assembly (2) comprises a connecting ring (22) and a base (24) which are connected through a filter screen (23), a motor (242) is arranged on the base (24), and a mounting seat (25) which is in driving connection with the motor (242) is rotatably arranged on the base (24);
the sample storage bottles (26) are distributed on the mounting seats (25) in a ring-shaped array, the sample storage bottles (26) comprise a shell (261), a liquid discharge pipe (262) arranged on the shell (261) and a mounting column (267) arranged on the outer peripheral surface of the shell (261), a piston rod (266) is slidably mounted on the mounting column (267), a spring (268) for pulling the piston rod (266) to enable the shell (261) to be communicated with the outside is arranged between the piston rod (266) and the mounting column (267), a floating disc (263) is slidably mounted in the shell (261), and a limiting rod (265) for limiting the piston rod (266) to move is arranged at the bottom of the floating disc (263);
the depth adjusting assembly (1) is used for controlling the depth of the sampling assembly (2) in liquid, the depth adjusting assembly (1) comprises a pontoon (14), and a connecting pipe (13) communicated with the sample storage bottle (26) is slidably arranged on the pontoon (14).
2. The liquid sampler according to claim 1, wherein the second sealing disk (241) is rotatably mounted on the base (24), the bottom of the mounting seat (25) is connected with the top of the second sealing disk (241), the first sealing disk (221) is rotatably mounted on the connecting ring (22), and the first sealing disk (221) is connected with the top of the mounting seat (25).
3. The liquid sampler of claim 2, wherein the connecting ring (22) is rotatably provided with a dirt guiding disc (222), the dirt guiding disc (222) is provided with a through hole sleeved on the liquid discharge pipe (262), the axle center of the mounting seat (25) is provided with a water storage tank, and the dirt guiding disc (222) is provided with a round table groove for liquid to enter the water storage tank.
4. A liquid sampler according to claim 3, characterized in that the sampling assembly (2) further comprises a fixed disc (21) movably connected with the connecting ring (22), an anti-fouling ring (211) attached to the liquid discharge pipe (262) is arranged on the fixed disc (21), and an avoidance groove is arranged on the anti-fouling ring (211).
5. The liquid sampler according to claim 4, wherein the drain pipe (262) is arranged at the top of the sample storage bottle (26), a movable frame (264) connected with a floating disc (263) is slidably arranged on the sample storage bottle (26), the limiting rod (265) is arranged on the movable frame (264) and is positioned below the mounting column (267), and the floating disc (263) is positioned above the mounting column (267).
6. The liquid sampler of claim 5, wherein the mounting column (267) is provided with a plurality of groups of liquid inlet holes (2671), the piston rod (266) is provided with a liquid guide groove (2661), one end of the piston rod (266) far away from the inner cavity of the sample storage bottle (26) is provided with a ball body, the spring (268) is sleeved on the piston rod (266) and respectively abuts against the ball body and the mounting column (267), the piston rod (266) is provided with a limit hole (2662) between the ball body and the liquid guide groove (2661), and the mounting seat (25) is in sliding connection with the limit hole (2662).
7. The liquid sampler according to claim 6, characterized in that the liquid guiding groove (2661) is provided with two groups and symmetrically distributed on the side surface of the piston rod (266), and the gap between the two groups of liquid guiding grooves (2661) is larger than the diameter of the limit rod (265).
8. The liquid sampler according to claim 7, wherein the depth adjusting assembly (1) further comprises a buoyancy bag (11) arranged on the connecting pipe (13), a driving piece (12) communicated with the connecting pipe (13) is arranged in the buoyancy bag (11), one end, communicated with the driving piece (12), of the connecting pipe (13) stretches into the fixed disc (21) and faces the dirt guiding disc (222), and a radar detector for detecting the distance between the buoyancy bag (11) and the pontoon (14) is arranged at the top end of the buoyancy bag (11).
9. A method for collecting a liquid sampler, which is applied to the liquid sampler as claimed in claim 8, and is characterized in that the method comprises the following steps:
s1, placing a depth adjusting component (1) and a sampling component (2) into liquid to be sampled, and controlling the descending depth of the sampling component (2) according to sampling requirements by releasing a connecting pipe (13) and controlling the gas pressure in a floating bag (11) and matching a radar detector on the floating bag (11) to sink the sampling component (2) into the liquid;
s2, a second sealing disc (241) on the base (24) is started to drive the mounting seat (25) so that the sample storage bottle (26) on the mounting seat (25) moves to one side of the filter screen (23) provided with the guide groove (231), at the moment, the liquid discharge pipe (262) on the sample storage bottle (26) leaves the anti-fouling ring (211), and the spring (268) resets and moves the piston rod (266) towards the filter screen (23);
s3, a piston rod (266) moves and communicates a liquid guide groove (2661) with a liquid inlet hole (2671) on a mounting column (267), and as the sampling assembly (2) is positioned in liquid and the liquid discharge pipe (262) is opened, the liquid is pressed into the shell (261), gas is discharged from the connecting pipe (13), the floating disc (263) rises under the action of pressure and liquid buoyancy until the floating disc abuts against the liquid discharge pipe (262), and at the moment, the floating disc (263) pulls a limiting rod (265) on the movable frame (264) to abut against the bottom end of the piston rod (266);
s4, driving the sealing disc II (241) to drive the mounting seat (25) to rotate again, enabling the sample storage bottle (26) to rotate to the next station, enabling the piston rod (266) to leave the guide groove (231) and compress the spring (268) again, enabling the piston rod (266) to extend into the shell (261) to enable the liquid guide groove (2661) to be misplaced with the liquid inlet hole (2671), enabling the limiting hole (2662) to move to the top end of the limiting rod (265), and enabling the limiting rod (265) to ascend and extend into the limiting hole (2662) to lock the piston rod (266);
s5, after sampling is finished, the depth adjusting assembly (1) and the sampling assembly (2) are pulled away from the sampling liquid through the connecting pipe (13), the fixed disc (21) and the connecting ring (22) are opened, and the sample storage bottle (26) can be taken out after the dirt guiding disc (222) is detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310958887.4A CN116659962B (en) | 2023-08-01 | 2023-08-01 | Liquid sampler and collecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310958887.4A CN116659962B (en) | 2023-08-01 | 2023-08-01 | Liquid sampler and collecting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116659962A true CN116659962A (en) | 2023-08-29 |
| CN116659962B CN116659962B (en) | 2023-10-24 |
Family
ID=87724631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310958887.4A Active CN116659962B (en) | 2023-08-01 | 2023-08-01 | Liquid sampler and collecting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116659962B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115554A (en) * | 2018-09-21 | 2019-01-01 | 金鑫来 | River sewage sampler |
| CN209911051U (en) * | 2019-05-01 | 2020-01-07 | 吉林农业大学 | Water quality sampler for environmental monitoring |
| CN210347238U (en) * | 2019-08-26 | 2020-04-17 | 张晓丹 | Sampling device for hydration assay analysis |
| CN211784578U (en) * | 2020-04-15 | 2020-10-27 | 天津华泽环境检测有限公司 | Multiple sampling instrument for water quality monitoring |
| CN213985817U (en) * | 2020-11-13 | 2021-08-17 | 襄阳智谷环境科技有限公司 | Automatic sampling device for water quality detection |
| CN215525186U (en) * | 2021-09-03 | 2022-01-14 | 河北建筑工程学院 | Groundwater depthkeeping sample thief for geology |
| CN216771182U (en) * | 2021-12-27 | 2022-06-17 | 江苏众智启澄智能环境科技有限公司 | Unmanned ship device capable of sampling at fixed depth |
| CN114838996A (en) * | 2022-06-02 | 2022-08-02 | 金华市恒通工程检测有限公司 | Water conservancy detection multi-sample synchronous acquisition equipment and acquisition method thereof |
| CN217331741U (en) * | 2021-12-31 | 2022-08-30 | 綦隽娜 | Water quality sampling equipment for hydrology and water resource engineering |
-
2023
- 2023-08-01 CN CN202310958887.4A patent/CN116659962B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115554A (en) * | 2018-09-21 | 2019-01-01 | 金鑫来 | River sewage sampler |
| CN209911051U (en) * | 2019-05-01 | 2020-01-07 | 吉林农业大学 | Water quality sampler for environmental monitoring |
| CN210347238U (en) * | 2019-08-26 | 2020-04-17 | 张晓丹 | Sampling device for hydration assay analysis |
| CN211784578U (en) * | 2020-04-15 | 2020-10-27 | 天津华泽环境检测有限公司 | Multiple sampling instrument for water quality monitoring |
| CN213985817U (en) * | 2020-11-13 | 2021-08-17 | 襄阳智谷环境科技有限公司 | Automatic sampling device for water quality detection |
| CN215525186U (en) * | 2021-09-03 | 2022-01-14 | 河北建筑工程学院 | Groundwater depthkeeping sample thief for geology |
| CN216771182U (en) * | 2021-12-27 | 2022-06-17 | 江苏众智启澄智能环境科技有限公司 | Unmanned ship device capable of sampling at fixed depth |
| CN217331741U (en) * | 2021-12-31 | 2022-08-30 | 綦隽娜 | Water quality sampling equipment for hydrology and water resource engineering |
| CN114838996A (en) * | 2022-06-02 | 2022-08-02 | 金华市恒通工程检测有限公司 | Water conservancy detection multi-sample synchronous acquisition equipment and acquisition method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116659962B (en) | 2023-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114034647B (en) | Formula of sailing metal monitoring facilities | |
| CN113049313B (en) | Water and soil combined sampler and method suitable for beach shallow sea | |
| CN115979382B (en) | Drilling water level measuring device for hydrogeology investigation | |
| CN113203601B (en) | Deep water department water sampling and detecting equipment for river channel | |
| CN113984439B (en) | Automatic underwater sediment sampling device | |
| CN115078005B (en) | Hydrogeology that conveniently carries uses sampling device | |
| CN113074989A (en) | Pressure-sensing self-sampling type sampling device for environment detection | |
| CN114018312B (en) | Integrated equipment and method for monitoring well investigation of groundwater environment | |
| CN116659962B (en) | Liquid sampler and collecting method thereof | |
| CN108645669B (en) | Sampling depth range adjustable water sample collector | |
| CN114659838A (en) | Hydrological monitoring water quality sampling ship and using method thereof | |
| CN117419970B (en) | Sewage detection is with supplementary sampling device | |
| CN112907905B (en) | Intelligent monitoring device for river water pollution monitoring and early warning | |
| CN114184415A (en) | Handheld sampling device for marine shallow sediment | |
| CN210442161U (en) | Sewage sampling bottle for environmental detection | |
| CN204855213U (en) | Depthkeeping piston water sampling ware | |
| CN116698504A (en) | Multifunctional sampling device for water quality investigation | |
| CN217466354U (en) | Sewage sampling detection device | |
| CN116086887A (en) | Sampling device and sampling method for detecting water body in abandoned mine | |
| CN114688938A (en) | Hydraulic engineering surveying and mapping device and method | |
| CN114878232A (en) | Unmanned aerial vehicle water sampling device | |
| CN113092172A (en) | Sealed effectual sampling equipment | |
| CN114608888A (en) | A deep water sample collection system for geographical research | |
| CN113218715A (en) | Ocean micro-plastic water sample collection device | |
| CN114544447B (en) | Ink laser granularity detection system for digital printing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Liquid sampler and its collection method Effective date of registration: 20231222 Granted publication date: 20231024 Pledgee: Changsha Rural Commercial Bank Co.,Ltd. Xingang Branch Pledgor: HUNAN GUANGDA ANIMAL HUSBANDRY TECHNOLOGY Co.,Ltd. Registration number: Y2023980073729 |