CN110411789B - Sampling device for water sample and using method - Google Patents
Sampling device for water sample and using method Download PDFInfo
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- CN110411789B CN110411789B CN201910749067.8A CN201910749067A CN110411789B CN 110411789 B CN110411789 B CN 110411789B CN 201910749067 A CN201910749067 A CN 201910749067A CN 110411789 B CN110411789 B CN 110411789B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention discloses a water sample sampling device and a using method thereof, and relates to the technical field of environmental protection detection. The sampling device comprises a sampling barrel, wherein an end cover is matched with the opening end of the sampling barrel, a through hole is formed in the center of the end cover, and an inward flange is arranged in the through hole; an elastic film is placed on the end cover in a matching mode, a through hole is formed in the center of the elastic film, and a first magnet and a second magnet which are mutually matched and attracted are respectively arranged on the elastic film on the two sides of the through hole; the first magnet and the second magnet are both in a ring shape; a first sealing layer is arranged on the top side surface of the first magnet; a bracket is fixed on the inner wall of the sampling barrel, and a guide rod is fixed on the bracket; the guide rods on two sides of the elastic film are respectively provided with a sealing plate and an adjusting ring piece, and the top of the adjusting ring piece is fixed with a spring. The device is provided with the opening on the elastic film, the magnets are arranged on two sides of the opening, and the sealing of the device and the automatic deep water sampling are realized through the sealing plate, the adjusting ring sheet and the spring.
Description
Technical Field
The invention belongs to the technical field of environmental protection detection, and particularly relates to a water sample sampling device and a using method thereof.
Background
With the increasing influence of oceans, lakes and reservoirs on our lives, the research on the chemical components and contents of water bodies is concerned with the ecological environment and the sustainable development of human beings, and the research on the aspects starts from the acquisition of water samples, so the acquisition of the water samples is particularly important, and therefore, a water sample acquisition instrument with reasonable cost and simple working principle is urgently needed.
Chinese patent publication No. (CN103852347a4) discloses a sampling method and a sampling device for ultra-deep underwater depth-fixed sampling, wherein the disclosed sampling device comprises a hauling rope, a film cover plate, a weight plate, a film, a filter funnel with a water inlet hole on a thimble, a buffer chamber and a storage; the film can be punctured after the water is taken once, the film needs to be replaced, the film is wasted, unnecessary white garbage is generated, the replacement operation is troublesome, and the labor efficiency is reduced.
Disclosure of Invention
The invention aims to provide a water sample sampling device and a using method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sampling device for a water sample, which comprises a sampling barrel, wherein an end cover is matched with the opening end of the sampling barrel, a through hole is formed in the center of the end cover, and an inward flange is arranged in the through hole;
an elastic film is placed on the end cover in a matched mode, a through hole is formed in the center of the elastic film, and a first magnet and a second magnet which are mutually matched and attracted are respectively arranged on the elastic film on the two sides of the through hole; the first magnet and the second magnet are both in a ring shape; a first sealing layer is arranged on the top side surface of the first magnet;
a bracket is fixed on the inner wall of the sampling barrel, and a guide rod is fixed on the bracket; and the guide rods positioned at two sides of the elastic film are respectively provided with a sealing plate and an adjusting ring piece, and the top of the adjusting ring piece is fixedly provided with a spring.
Furthermore, an annular rubber band is arranged on the outer side of the elastic film;
the end cover is in threaded fit with a fixing ring, a notch matched with the annular rubber band is formed in the outer side of the bottom of the fixing ring, and a sealing gasket which is matched and sealed with the elastic film and is arranged annularly is arranged on the bottom side face of the fixing ring.
Furthermore, a filter screen is arranged at the top of the fixing ring.
Further, the sealing plate is detachably mounted at the top end of the guide rod through a fixing screw.
Furthermore, a second sealing layer is arranged on the contact surface of the first magnet and the elastic film, and a third sealing layer is arranged on the contact surface of the second magnet and the elastic film.
Further, the elastic film is a TPU film or a PVC film.
Further, the adjusting ring piece is in threaded fit connection with the guide rod.
Furthermore, the bottom of the sampling barrel is provided with a groove, a fixing pull ring is fixed in the groove, a plurality of fixing blocks are uniformly distributed on the periphery of the sampling barrel, and fixing holes are formed in the fixing blocks.
A method of using a sampling device for sampling a water sample, comprising:
step 5, slowly placing the water sampler to a set water depth, and when the water sampler reaches a preset depth, compressing the elastic film to the sampling barrel to push open the spring, so that a water sample at the depth enters the sampling barrel;
and 6, after sampling for a period of time, pulling the sampling barrel out of the water surface to finish sampling. The invention has the following beneficial effects:
the elastic film is provided with the opening, the magnets are arranged on two sides of the opening, the sealing of the device and automatic deep water sampling are realized through the sealing plate, the adjusting ring sheet and the spring, and meanwhile, the elastic film is simple in structure, long in service life and capable of being recycled for multiple times when in actual use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a sampling device according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partially enlarged view of fig. 1 at B.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1, the present invention includes a sampling barrel 1, an end cap 2 is fitted to an opening end of the sampling barrel 1, a through hole 21 is formed at a center of the end cap 2, and an inward flange 22 is provided in the through hole 21;
an elastic film 4 is arranged on the end cover 2 in a matching way, and the elastic film 4 is a TPU film or a PVC film;
referring to fig. 3, a through hole 42 is formed in the center of the elastic film 4, and a first magnet 44 and a second magnet 43, which are engaged with each other and attracted, are respectively disposed on the elastic film 4 at two sides of the through hole 42;
the first magnet 44 and the second magnet 43 are both in a ring shape; the contact surface of the first magnet 44 and the elastic film 4 is provided with a second sealing layer, the contact surface of the second magnet 43 and the elastic film 4 is provided with a third sealing layer, and the top side surface of the first magnet 44 is provided with a first sealing layer 45;
a bracket 13 is fixed on the inner wall of the sampling barrel 1, and a guide rod 14 is fixed on the bracket 13;
the guide rods 14 positioned at two sides of the elastic film 4 are respectively provided with a sealing plate 16 and an adjusting ring piece 15, and the sealing plate 16 is detachably arranged at the top ends of the guide rods 14 through fixing screws 17; the adjusting ring piece 15 is connected with the top of the adjusting ring piece 15 in a threaded fit manner with the guide rod 14, a spring 18 is fixed at the top of the adjusting ring piece 15, and the spring 18 is a plastic spring or a non-magnetic metal spring.
Referring to fig. 2, an annular rubber band 41 is disposed outside the elastic film 4; the end cover 2 is further provided with a fixing ring 3 in a threaded fit mode, a notch 32 matched with the annular rubber band 41 is formed in the outer side of the bottom of the fixing ring 3, a sealing gasket 31 which is matched and sealed with the elastic film 4 and is arranged in an annular mode is arranged on the bottom side face of the fixing ring 3, and a filter screen is further arranged at the top of the fixing ring 3.
Referring to fig. 1, a groove 11 is formed at the bottom of the sampling barrel 1, a fixing pull ring is fixed in the groove 11, a plurality of fixing blocks 12 are uniformly distributed around the sampling barrel 1, and fixing holes are formed in the fixing blocks 12.
A method of using a sampling device for sampling a water sample, comprising:
and is adjusted up and down along the guide rod 14 by the adjusting ring 15, when the adjustment is completed, the other end of the spring 18 abuts against the bottom side surface of the second magnet 43, and the first sealing layer 45 of the first magnet 44 is contacted with the sealing plate 16 to form a seal;
step 5, slowly placing the water sampler to a set water depth, when the water sampler reaches a preset depth, compressing the elastic film 4 to the sampling barrel 1 to push the spring 18 open, and at the moment, separating the first sealing layer 45 of the first magnet 44 from the sealing plate 16, wherein a water sample at the depth enters the sampling barrel 1 from the through hole 42;
and 6, after sampling for a period of time, pulling the sampling barrel 1 out of the water surface to finish sampling.
Wherein, for the convenience of sampling bucket 1 can be faster and steady immerse in water, the rope is hung to the tie up on the fixed pull ring of accessible in 1 bottom recess 11 of sampling bucket to the end at hanging the rope fixes the heavy object piece.
When the elastic film 4 is damaged due to the puncturing of impurities in water, self aging and the like in long-term use and needs to be replaced, the replacing steps comprise:
the elastic film 4 is buckled on the fixing ring 3 along the annular rubber band 41, and the sealing gasket 31 is abutted on the elastic film 4 to form sealing;
fixing the fixing ring 3 into the end cover 2 by screw thread; meanwhile, a first magnet 44 and a second magnet 43 are respectively arranged at two sides of the through hole 42; the seal plate 16 at the end of the guide bar 14 is removed, the guide bar 14 is penetrated, and the seal plate 16 is fixed to the end of the guide bar 14 by the fixing screw 17.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a sampling device of water sample, includes sampling bucket (1), its characterized in that: an end cover (2) is matched with the opening end of the sampling barrel (1), a through hole (21) is formed in the center of the end cover (2), and an inward flange (22) is arranged in the through hole (21); an elastic film (4) is placed on the end cover (2) in a matching mode, a through hole (42) is formed in the center of the elastic film (4), and a first magnet (44) and a second magnet (43) which are mutually matched and attracted are respectively arranged on the elastic film (4) positioned on the two sides of the through hole (42); the first magnet (44) and the second magnet (43) are both in a ring shape; the top side of the first magnet (44) is provided with a first sealing layer (45); a bracket (13) is fixed on the inner wall of the sampling barrel (1), and a guide rod (14) is fixed on the bracket (13); a sealing plate (16) and an adjusting ring piece (15) are respectively arranged on the guide rods (14) positioned at two sides of the elastic film (4), and a spring (18) is fixed at the top of the adjusting ring piece (15); an annular rubber band (41) is arranged on the outer side of the elastic film (4);
the end cover (2) is further provided with a fixing ring (3) in a matching mode, a notch (32) matched with the annular rubber band (41) is formed in the outer side of the bottom of the fixing ring (3), and a sealing gasket (31) which is matched and sealed with the elastic film (4) and is arranged in an annular mode is arranged on the bottom side face of the fixing ring (3).
2. A device for sampling sampled water according to claim 1 characterised in that the fixing ring (3) is screw-fitted to the end cap (2).
3. A device for sampling a sampled water according to claim 2 characterised in that the top of the fixed ring (3) is also provided with a filter screen.
4. A device for sampling sampled water according to claim 1, characterised in that the sealing plate (16) is removably mounted on the top of the guide rod (14) by means of fixing screws (17).
5. A sampled water sampling device as claimed in claim 1, characterised in that the interface of the first magnet (44) with the flexible membrane (4) is provided with a second sealing layer and the interface of the second magnet (43) with the flexible membrane (4) is provided with a third sealing layer.
6. A device for sampling water samples according to claim 1 or 5, characterized in that said elastic film (4) is a TPU film or a PVC film.
7. A device for sampling sampled water according to claim 1, characterised in that the adjusting ring (15) is screwed to the guide rod (14).
8. The water sample sampling device according to claim 1, wherein a groove (11) is formed in the bottom of the sampling barrel (1), a fixing pull ring is fixed in the groove (11), a plurality of fixing blocks (12) are uniformly distributed on the periphery of the sampling barrel (1), and fixing holes are formed in the fixing blocks (12).
9. Use of a device for sampling sampled water according to any of claims 1 to 8, comprising:
step 1, determining the depth of a water sample to be taken, and calculating the water pressure at the water taking depth;
step 2, calculating the pressure required by the elastic film (4) to compress the sampling barrel (1) and push the spring (18) to the corresponding water depth degree through the water pressure according to the calculated water pressure;
step 3, calculating the contraction length of the spring (18) according to the elastic coefficient of the spring and the calculated pressure, and adjusting the contraction length up and down along the guide rod (14) through the adjusting ring piece (15);
step 4, connecting a traction rope with the water taking device, wherein the traction rope is fixed on a fixed block (12);
step 5, slowly placing the water sampler to a set water depth, and when the water sampler reaches a preset depth, compressing the elastic film (4) towards the sampling barrel (1) to jack the spring (18), so that a water sample at the depth enters the sampling barrel (1);
and 6, after sampling for a period of time, pulling the sampling barrel (1) out of the water surface to finish sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749067.8A CN110411789B (en) | 2019-08-14 | 2019-08-14 | Sampling device for water sample and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749067.8A CN110411789B (en) | 2019-08-14 | 2019-08-14 | Sampling device for water sample and using method |
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| CN110411789A CN110411789A (en) | 2019-11-05 |
| CN110411789B true CN110411789B (en) | 2022-03-15 |
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| CN201910749067.8A Active CN110411789B (en) | 2019-08-14 | 2019-08-14 | Sampling device for water sample and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115855560B (en) * | 2022-10-24 | 2023-08-04 | 北京林业大学 | Robot is adopted in soil sample water sample integration of water bottom |
| CN117232900B (en) * | 2023-11-16 | 2024-01-09 | 山东锆石智能设备有限公司 | Water quality testing sampling device that hydraulic engineering used |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205981793U (en) * | 2016-08-24 | 2017-02-22 | 姜辉 | Water quality monitoring case of fetching water |
| CN206208598U (en) * | 2016-12-02 | 2017-05-31 | 河海大学 | A kind of countryside portable hydrological information collection device |
| CN207163750U (en) * | 2017-09-14 | 2018-03-30 | 牛磊 | A kind of sampler of inspection |
| CN109269836A (en) * | 2018-12-05 | 2019-01-25 | 南京怡丰月明环保科技有限公司 | A kind of portable fluid all levels sampler |
| CN109357913A (en) * | 2018-11-22 | 2019-02-19 | 浙江省海洋水产研究所 | A kind of breeding seawater sampler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006246486A1 (en) * | 2001-03-02 | 2006-12-21 | Monogen, Inc | Article dispensing apparatus and method |
| DE102006019242A1 (en) * | 2006-04-21 | 2007-10-25 | Bayer Technology Services Gmbh | Process analysis system with sterile sampling of mechanically sensitive material from a bioreactor |
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN208076208U (en) * | 2018-04-10 | 2018-11-09 | 湖北千里目检测技术有限公司 | Sampling plate for water sampler |
-
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- 2019-08-14 CN CN201910749067.8A patent/CN110411789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205981793U (en) * | 2016-08-24 | 2017-02-22 | 姜辉 | Water quality monitoring case of fetching water |
| CN206208598U (en) * | 2016-12-02 | 2017-05-31 | 河海大学 | A kind of countryside portable hydrological information collection device |
| CN207163750U (en) * | 2017-09-14 | 2018-03-30 | 牛磊 | A kind of sampler of inspection |
| CN109357913A (en) * | 2018-11-22 | 2019-02-19 | 浙江省海洋水产研究所 | A kind of breeding seawater sampler |
| CN109269836A (en) * | 2018-12-05 | 2019-01-25 | 南京怡丰月明环保科技有限公司 | A kind of portable fluid all levels sampler |
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