CN113029672B - Water body sampling box and sampling method - Google Patents
Water body sampling box and sampling method Download PDFInfo
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- CN113029672B CN113029672B CN202110257835.5A CN202110257835A CN113029672B CN 113029672 B CN113029672 B CN 113029672B CN 202110257835 A CN202110257835 A CN 202110257835A CN 113029672 B CN113029672 B CN 113029672B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
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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
- G01N2001/1031—Sampling from special places
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a water body sampling box, which comprises a sampling box, an intermediate connecting rod and an end handle, wherein one end of the sampling box is rotatably provided with a handle joint, the outer surface of the handle joint is provided with a handle interface, the intermediate connecting rod is arranged on the handle interface through a stud joint thread at the front end of the intermediate connecting rod, one end of the intermediate connecting rod, which is far away from the stud joint, is provided with a screw interface, the end handle is arranged on the screw interface through a screw joint thread at the front end, a sample storage chamber is arranged in the sampling box, one end of the sample storage chamber is provided with a sampling device, and the other end of the sample storage chamber is provided with a sampling tube; sampling device is including the inlet tube, tie up flexible hose on the inlet tube, flexible hose can realize with inlet tube fluid intercommunication, the welding has the circle line ware on the end handle, and winding string passes the draw-in groove and realizes being connected with flexible hose on the circle line ware. The invention can realize underwater sampling of water bodies far off the shore under the condition of no power, can realize sampling of water layers with different concentrations by adjusting the inlet of the water inlet pipe, and is convenient to carry, assemble and sample.
Description
Technical Field
The invention relates to the technical field of water sample sampling, in particular to a water body sampling box and a sampling method.
Background
A water quality detection unit generally relates to the problem of water body sampling for water quality detection of rivers and lakes. The general method is that an empty bottle tied with a rope is sunk into the river bottom for sampling, and for river reach with active water flow in the water body, the mineral value ions of the water body are distributed uniformly, the water body temperature stratification is not obvious, and the sampling mode has small influence on the detection result. However, for a flat river reach, especially for a severely polluted water body, a more reliable device is needed for sampling and detecting water bodies in different water layers.
After a large number of searches, the following results are obtained: the invention has the following patent: the application number [ CN201510067586.8 ], the publication number [ CN105987825A ] relates to a deep water sampling water temperature measuring device, which comprises: a control panel; the motor box is connected with the control panel, and a motor, a cable reel, an air pump and a fixed pulley are arranged in the motor box; the sampling water tank is connected with the motor box through a signal line and a cylinder vent pipe, a water inlet hole and an exhaust hole are formed in the sampling water tank, a waterproof cylinder and a temperature sensor are arranged in the sampling water tank, and a water level meter is arranged on the outer side of the sampling water tank. The motor drives the cable drum and realizes the lift of sampling water tank through the fixed pulley, and sampling box internally mounted has waterproof cylinder, and surface mounting has temperature sensor, level gauge and touches end sensor, through controlling the cylinder action button on the panel, and control cylinder reciprocating motion realizes opening and closing of box inlet opening and exhaust hole to can realize deep water sampling, the quick accurate measurement of temperature.
When no bridge, trestle or ship exists on the water surface, the water sampling barrel is difficult to realize water sampling at a position far away from the shore, and the sampled water is stirred during rowing sampling; the unmanned aerial vehicle has higher sampling cost and needs to consume energy; the power sampling ship can complete the sampling task under the condition of a power source.
Disclosure of Invention
The invention aims to provide a water body sampling box and a water body sampling method, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a water body sampling box comprises a sampling box body, an intermediate connecting rod and an end handle, wherein a handle joint is rotatably installed at one end of the sampling box body, a handle interface is formed in the outer surface of the handle joint, the intermediate connecting rod is installed on the handle interface through a screw bolt joint thread at the front end of the intermediate connecting rod, connection between the intermediate connecting rod and the sampling box body is achieved, a screw interface is formed in one end, deviating from the screw bolt joint, of the intermediate connecting rod, the end handle is installed on the screw interface through a screw bolt joint thread at the front end of the intermediate connecting rod, connection between the end handle and the intermediate connecting rod is achieved, two buoyancy tanks are filled on the upper surface inside the sampling box body, the two buoyancy tanks are symmetrically distributed around a central axis, a sample storage chamber is arranged inside the sampling box body, a sampling device is arranged at one end of the sample storage chamber, and a sampling tube is arranged at the other end of the sample storage chamber;
the sampling device comprises a water inlet pipe arranged at the bottom of a sampling box, the water inlet pipe is in fluid communication with the sampling box, a cavity is arranged at the communication position of the sampling box and the water inlet pipe, a top baffle is arranged on the upper surface of the cavity, a circular organic glass sheet is arranged in the cavity, a rubber gasket is attached to the surface, close to the water inlet pipe, of the circular organic glass sheet, an elastic hose is bundled on the water inlet pipe, the elastic hose can be in fluid communication with the water inlet pipe, and a plumb bob is bundled at the front end of the elastic hose;
the welding has the circle line ware on the end handle, the sampling box surface is equipped with the draw-in groove, and the last winding string of circle line ware passes the draw-in groove and realizes being connected with elastic hose.
Preferably, the end of the end handle, which is far away from the screw joint, is sleeved with a handrail sleeve.
Preferably, the upper surface of sampling case is pressed to assemble and is equipped with the handle, and the upper surface of sampling case has seted up the exhaust vent pipe, and the exhaust vent pipe can realize with the gaseous circulation of storage sample room.
Preferably, tweezers are clamped on the sampling tube, and the tweezers can realize sealed clamping of the sampling tube.
Preferably, the following components: two symmetrically distributed positioning rope holes are welded on the sampling box, and positioning ropes are bound on the positioning rope holes.
A water body shoreside sampling method is characterized in that: the method comprises the following steps:
s1: and tying a positioning rope on the positioning rope hole, and setting the length of the elastic hose according to the depth of the sampling layer.
S2: connecting the middle connecting rods to the handle joints on the sampling box, then screwing, determining the number of the middle connecting rods according to the distance between the sampling points and the shore, and connecting the end head handle at the tail end.
S3: and rotating the wire coiling device to tightly connect the thin rope tied on the elastic hose at the water inlet so that the elastic hose enters the clamping groove and is bent, the inner walls of the bent elastic hoses are tightly close to each other, the connection of the elastic hoses is interrupted, and the wire coiling device is fixed.
S4: in a flowing water body, two persons are matched, one person pulls the positioning rope, and the other person grasps the end handle by hand to convey the sampling box away from the bank; the sampling operation can be completed by one person in still water.
S5: after the sampling box arrives at the set sampling position, the coiler is loosened, the string connected with the elastic hose of the water inlet is straightened under the action of the gravity of the plumb bob, and meanwhile, the sampling port of the elastic hose reaches the depth of the sampling position.
S6: under the action of gravity of sampling box self, water gets into the inlet tube from water inlet elastic hose sample connection, and rivers jack-up circular organic glass piece gets into the storage appearance room, and circular organic glass piece makes water only can flow in the storage appearance room, and can not reverse outflow.
S7: when the whole buoyancy and gravity of the sampling box are balanced, water can not enter the sample storage chamber any more.
S8: and rotating the winding device to tighten the string connected with the elastic hose of the water inlet, so that the elastic hose of the water inlet enters the clamping groove and is bent, the water inlet is sealed, and the winding device is fixed.
S9: and meanwhile, the middle connecting rod and the positioning rope are withdrawn, the sampling box is pulled to the bank side, the middle connecting rod is disassembled, the sampling box is lifted, the sampling tube is opened, and the water sample is transferred to the prepared sampling bottle to finish sampling.
Compared with the prior art, the invention has the following beneficial effects:
the water body sampling box can realize underwater sampling of water bodies far off the shore under the unpowered condition, has small stirring to the original water body, is convenient to carry and assemble, is convenient to sample, and is suitable for drift sampling of lakes or small flow velocity; the water sampling is realized by increasing and decreasing the assembly of the middle connecting rod, and meanwhile, the water sampling device has the advantages that the water quality requiring depth can be positioned and sampled by arranging the elastic hose.
Drawings
FIG. 1 is a schematic diagram of a sampling state structure according to the present invention;
FIG. 2 is a schematic view of the structure of the elastic hose according to the present invention in a contracted state;
FIG. 3 is a schematic view of a sampling device according to the present invention;
FIG. 4 is a schematic view of a top baffle of the present invention;
FIG. 5 is a schematic view of the positioning hole of the present invention;
FIG. 6 is a sample schematic of the present invention.
In the figure: 1. positioning the rope; 2. a sampling box; 3. a string; 4. a middle connecting rod; 5. a tip handle; 6. a wire coiling device; 7. a buoyancy tank; 8. a handle; 9. an exhaust hole pipe; 10. a handle joint; 11. a handle interface; 12. a screw interface; 13. a screw joint; 14. a handrail sleeve; 15. a sampling tube; 16. tweezers; 17. a sample storage chamber; 18. a plumb bob; 19. an elastic hose; 20. a sampling device; 21. a card slot; 22. a rubber gasket; 23. a top baffle; 24. a circular organic glass sheet; 25. a water inlet pipe; 26. and positioning the rope hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a water sampling box and a sampling method, wherein the sampling box comprises: the utility model provides a water sampling box, including sampling box 2, middle connecting rod 4 and end handle 5, sampling box 2's one end is rotated and is installed handle joint 10, handle joint 10 surface has been seted up handle interface 11, middle connecting rod 4 is installed on handle interface 11 through the double-screw bolt joint screw thread of its front end, realize being connected of middle connecting rod 4 and sampling box 2, middle connecting rod 4 deviates from the one end that the double-screw bolt connects and has been seted up screw interface 12, end handle 5 is installed on screw interface 12 through the screw joint 13 screw thread of front end, realize being connected of end handle 5 and middle connecting rod 4, the inside last surface packing of sampling box 2 has two flotation pontoons 7, two flotation pontoons 7 are about the central axis symmetric distribution, sampling box 2's inside is equipped with stores up appearance room 17, the one end that stores up appearance room 17 is equipped with sampling device 20, the other end that stores up appearance room 17 is equipped with sampling tube 15.
The end handle 5 is welded with the wire coiling device 6, the surface of the sampling box 2 is provided with a clamping groove 21, and the thin rope 3 wound on the wire coiling device 6 passes through the clamping groove 21 to be connected with the elastic hose 19.
In the specific embodiment of the present invention, a glove holder 14 is further sleeved on an end of the end handle 5 facing away from the screw joint 13.
In the embodiment of the invention, further, a handle 8 is assembled on the upper surface of the sampling box 2 in a pressing manner, and an exhaust hole pipe 9 is arranged on the upper surface of the sampling box 2, so that the exhaust hole pipe 9 can realize gas circulation with the sample storage chamber 17.
In the specific embodiment of the invention, forceps 16 are further clamped on the sampling tube 15, and the forceps 16 can realize sealed clamping of the sampling tube 15.
In the specific implementation mode of the invention, two symmetrically distributed positioning rope holes 26 are welded on the sampling box 2, and the positioning ropes 1 are bound on the positioning rope holes 26.
A water body shoreside sampling method comprises the following steps:
s1: the positioning rope 1 is tied on the positioning rope hole 26, and the length of the elastic hose 19 is set according to the depth of the sampling layer.
S2: the middle connecting rods 4 are connected with a handle connector 10 on the sampling box 2, then the middle connecting rods 4 are screwed tightly, the number of the middle connecting rods 4 is determined according to the distance between the sampling points and the shore, and the tail ends of the middle connecting rods 4 are connected with end handles 5.
S3: and (3) rotating the wire coiler 6 to connect the thin rope tied on the elastic hose 19 at the water inlet tightly, so that the elastic hose 19 enters the clamping groove 21 and is bent, the inner walls of the bent elastic hose 19 are close to each other, the connectivity of the elastic hose 19 is interrupted, and the wire coiler 6 is fixed.
S4: in the flowing water body, two persons cooperate, one person pulls the positioning rope 1, one person grasps the end handle 5, sends the sampling box 2 to the shore, and one person operates in still water to complete the sampling operation.
S5: when the sampling box 2 reaches a preset sampling position, the coiler 6 is loosened, the string 3 connected with the elastic hose 19 at the water inlet is straightened under the gravity action of the plumb 18, and meanwhile, the sampling port of the elastic hose 19 reaches the depth of the sampling position.
S6: under the action of gravity of sampling box 2 self, water gets into inlet tube 25 from 19 sample connection on the water inlet elastic hose, and rivers are with 24 jack-ups of circular organic glass piece, get into storage appearance room 17, and circular organic glass piece 24 makes water can only flow into storage appearance room 17, and can not reverse outflow.
S7: when the overall buoyancy and gravity of the sampling chamber 2 are balanced, water will no longer enter the sample storage chamber 17.
S8: and rotating the coiler 6, tightening the string connected with the elastic hose 19 at the water inlet, enabling the elastic hose 19 to enter the clamping groove 21 and bend, sealing the water inlet, and fixing the coiler 6.
S9: withdraw middle connecting rod 4 and location rope 1 simultaneously, pull sampling box 2 to the bank, dismantle middle connecting rod 4, mention sampling box 2, open sampling tube 15, accomplish the sampling in transferring the water sample to the sampling bottle that is ready.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A water body shoreside sampling method is characterized in that: the method comprises the following steps:
s1: tying the positioning rope (1) on the positioning rope hole (26), and setting the length of the elastic hose (19) according to the depth of the sampling layer;
s2: connecting the middle connecting rods (4) to handle joints (10) on the sampling box (2), then screwing down, determining the number of the middle connecting rods (4) according to the distance between the sampling points and the shore, and connecting end handles (5) at the tail ends of the middle connecting rods (4);
s3: rotating the wire coiling device (6), tightly connecting a thin rope tied on the elastic hose (19) at the water inlet to enable the elastic hose (19) to enter the clamping groove (21) and bend, enabling the inner walls of the bent elastic hose (19) to be abutted together, interrupting the connectivity of the elastic hose (19), and fixing the wire coiling device (6);
s4: in a flowing water body, two persons are matched, one person pulls the positioning rope (1), the other person grasps the end handle (5), the sampling box (2) is sent to the side of the shore, and the sampling operation can be finished by one person in still water;
s5: when the sampling box (2) reaches a set sampling position, the wire coiling device (6) is loosened, the thin rope (3) connected with the elastic hose (19) at the water inlet is straightened under the gravity action of the plumb bob (18), and meanwhile, the sampling port of the elastic hose (19) reaches the depth of the sampling position;
s6: under the action of the gravity of the sampling box (2), water enters the water inlet pipe (25) from the sampling port of the elastic hose (19) of the water inlet, the round organic glass sheet (24) is jacked up by water flow and enters the sample storage chamber (17), and the round organic glass sheet (24) enables the water to only flow into the sample storage chamber (17) but not reversely flow out;
s7: when the integral buoyancy and gravity of the sampling box (2) are balanced, water does not enter the sample storage chamber (17);
s8: rotating the wire coiling device (6), tightening a string connected with the elastic hose (19) at the water inlet, enabling the elastic hose (19) at the water inlet to enter the clamping groove (21) and bend, sealing the water inlet, and fixing the wire coiling device (6);
s9: simultaneously withdrawing the middle connecting rod (4) and the positioning rope (1), pulling the sampling box (2) to the shore, disassembling the middle connecting rod (4), lifting the sampling box (2), opening the sampling tube (15), and transferring the water sample to a prepared sampling bottle to finish sampling;
a water bank sampling method realize through a water sampling case, water sampling case includes sampling case (2), middle connecting rod (4) and end handle (5), the one end of sampling case (2) is rotated and is installed handle joint (10), handle joint (10) surface has seted up handle interface (11), middle connecting rod (4) are installed on handle interface (11) through the double-screw bolt joint screw thread of its front end, realize being connected of middle connecting rod (4) and sampling case (2), middle connecting rod (4) deviate from the one end that the double-screw bolt connects and have seted up screw interface (12), end handle (5) are installed on screw interface (12) through screw joint (13) screw thread of front end, realize end handle (5) and be connected of middle connecting rod (4), its characterized in that: the sampling device is characterized in that two floating boxes (7) are filled on the upper surface inside the sampling box (2), the two floating boxes (7) are symmetrically distributed about a central axis, a sample storage chamber (17) is arranged inside the sampling box (2), one end of the sample storage chamber (17) is provided with a sampling device (20), and the other end of the sample storage chamber (17) is provided with a sampling pipe (15);
the sampling device (20) comprises a water inlet pipe (25) arranged at the bottom of the sampling box (2), the water inlet pipe (25) is communicated with the sampling box (2) in a fluid mode, a cavity is formed in the communication position of the sampling box (2) and the water inlet pipe (25), a top baffle (23) is installed on the upper surface of the cavity, a round organic glass sheet (24) is arranged in the cavity, a rubber gasket (22) is attached to the surface, close to the water inlet pipe (25), of the round organic glass sheet (24), an elastic hose (19) is bound on the water inlet pipe (25), the elastic hose (19) can be communicated with the water inlet pipe (25) in a fluid mode, and a plumb bob (18) is bound at the front end of the elastic hose (19);
the end handle (5) is welded with a wire coiling device (6), the surface of the sampling box (2) is provided with a clamping groove (21), and a thin rope (3) wound on the wire coiling device (6) penetrates through the clamping groove (21) to be connected with an elastic hose (19).
2. The shore sampling method for a body of water according to claim 1, wherein: and a handrail sleeve (14) is sleeved at one end of the end handle (5) deviating from the screw joint (13).
3. The shore sampling method for a body of water according to claim 1, wherein: handle (8) are assembled in the upper surface pressure of sampling box (2), and exhaust hole pipe (9) have been seted up to the upper surface of sampling box (2), and exhaust hole pipe (9) can realize with sample storage room (17) gas circulation.
4. The shore sampling method for a body of water according to claim 1, wherein: tweezers (16) are clamped on the sampling tube (15), and the tweezers (16) can realize sealed clamping on the sampling tube (15).
5. The shore sampling method for a body of water according to claim 1, wherein: two symmetrically distributed positioning rope holes (26) are welded on the sampling box (2), and positioning ropes (1) are bound on the positioning rope holes (26).
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| CN202110257835.5A CN113029672B (en) | 2021-03-09 | 2021-03-09 | Water body sampling box and sampling method |
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| CN202110257835.5A CN113029672B (en) | 2021-03-09 | 2021-03-09 | Water body sampling box and sampling method |
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| CN116539362B (en) * | 2023-05-13 | 2023-11-03 | 杭州古伽船舶科技有限公司 | Sampling ship automatic sampling system based on Internet of things |
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