CN111044324B - Water environment detection sampling device based on vacuum self-suction technology - Google Patents
Water environment detection sampling device based on vacuum self-suction technology Download PDFInfo
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- CN111044324B CN111044324B CN201910025837.4A CN201910025837A CN111044324B CN 111044324 B CN111044324 B CN 111044324B CN 201910025837 A CN201910025837 A CN 201910025837A CN 111044324 B CN111044324 B CN 111044324B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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Abstract
The invention provides a sampling device for water environment detection based on a vacuum self-suction technology, and particularly relates to the technical field of water environment sampling. The water-saving sampling device comprises a barrel, wherein a water outlet cavity is arranged at the top end of the barrel, a vacuum cavity and a sampling cavity are arranged in the barrel, the bottom end of the sampling cavity is communicated with a water inlet pipe, the top end of the sampling cavity is communicated with the vacuum cavity through a communicating pipe, a first water suction box is arranged on one side of the bottom wall of an inner cavity of the vacuum cavity, and the top end of the first water suction box is communicated with a vacuum pipe; according to the invention, water in the vacuum cavity is pumped through the first water suction box through the first micro pump, so that vacuum negative pressure is formed in the vacuum cavity, further, air in the sampling cavity is pressed into the vacuum cavity through the communicating pipe, further, negative pressure is formed in the sampling cavity, external water is pressed into the sampling cavity, thus sampling work is completed, an operator cannot directly contact with the sampling cavity in the whole sampling process, and the negative pressure in the sampling cavity is indirectly completed, so that pollution to the sampling cavity from the outside can be effectively prevented, and the safety of a sample is ensured.
Description
Technical Field
The invention relates to the technical field of water environment sampling, in particular to a sampling device for water environment detection based on a vacuum self-suction technology.
Background
Water pollution is water that causes a reduction or loss in the use value of water due to harmful chemicals, and pollutes the environment. For the current domestic water environment, the quality is not optimistic, and the rural drinking water source and surface water are polluted to different degrees according to the rural environment quality test point monitoring result aiming at 798 villages in China.
The rural environmental problems are increasingly manifested, which are marked by increased industrial and mining pollution pressure, local aggravation of living pollution, serious pollution of livestock and poultry breeding and the like.
Aiming at the current water environment problem, not only a whole factory which discharges sewage from a source is required, but also the treatment and supervision of the existing water environment are enhanced. Water environment supervision requires regular water sampling for detection.
At present, the existing water environment sampling device is simple in structure, operation pollution is easy to occur, the later detection of a water sample is inaccurate, the detection error is large, and the monitoring on the water environment is not facilitated.
Disclosure of Invention
The invention aims to provide a sampling device for detecting a water environment based on a vacuum self-suction technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a water environment detects uses sampling device based on vacuum is from inhaling technique, the novel nipple rectifier comprises a cylindrical shel, the top of barrel is equipped with out the water cavity, be equipped with vacuum cavity and sample chamber in the barrel, the below at the vacuum cavity is established to the sample chamber, the bottom through connection inlet tube in sample chamber, be equipped with first check valve in the inlet tube, the top in sample chamber is through communicating pipe through connection vacuum cavity, be equipped with the second check valve in communicating pipe, inner chamber diapire one side of vacuum cavity is equipped with first water suction box, the top through connection vacuum tube of first water suction box, the other end of vacuum tube runs through the roof of vacuum cavity and the right side wall and the overhang in play water cavity in proper order and externally, be equipped with a micropump on the vacuum tube.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, a second water suction box is arranged on the left side of the bottom wall of an inner cavity of a sampling cavity, the structure of the second water suction box is completely the same as that of the first water suction box, and the first water suction box is of a disc structure.
In order to further improve the using effect of the sampling device for detecting the water environment based on the vacuum self-absorption technology, a plurality of first water absorption holes are uniformly formed in the outer circular surface of the first water absorption box, and a plurality of second water absorption holes are uniformly formed in the outer circular surface of the second water absorption box.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, the top end of the second water suction box is in through connection with the sampling pipe, the other end of the sampling pipe sequentially penetrates through the left side walls of the vacuum cavity and the water outlet cavity and is suspended outside, the sampling pipe is provided with a second micro pump, the second micro pump is arranged on the bottom wall of the inner cavity of the water outlet cavity, and the first micro pump is fixedly connected to the bottom wall of the inner cavity of the water outlet cavity.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, the center of the top end of the vacuum cavity is in through connection with a water adding pipe, and a sealing cover is sleeved on the top end of the water adding pipe.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, the bottom end of the cylinder body is provided with a water inlet cavity, and the other end of the water inlet pipe is suspended in the water inlet cavity.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, the bottom opening of the water inlet cavity is provided with a filtering device, and the filtering device is arranged below the water inlet pipe.
In order to further improve a water environment based on vacuum from inhaling technical water environment measuring and using sampling device's result of use, filter equipment includes mount and filter screen, and the mount is the loop configuration, and the mount endotheca is equipped with the card chamber in the inner chamber wall bottom of intake antrum, the bottom of mount, and the card intracavity is equipped with the filter screen.
In order to further improve the using effect of the sampling device for water environment detection based on the vacuum self-absorption technology, the top opening of the water outlet cavity is hinged with a handle.
Compared with the prior art, the vacuum water sampling device has the advantages that water in the vacuum cavity is extracted through the first water suction box through the first micro pump and is discharged through the vacuum tube, so that vacuum negative pressure is formed in the vacuum cavity, air in the sampling cavity is pressed into the vacuum cavity through the communicating tube, negative pressure is formed in the sampling cavity, external water is pressed into the sampling cavity under the action of atmospheric pressure, sampling work is completed, operators cannot directly contact with the sampling cavity in the whole sampling process, the negative pressure in the sampling cavity is indirectly completed, pollution to the sampling cavity from the outside can be effectively prevented, the safety of samples is guaranteed, and the sampling quality is improved.
Drawings
Fig. 1 is a schematic structural diagram of a sampling device for water environment detection based on a vacuum self-priming technology according to the present invention;
FIG. 2 is a schematic structural diagram of a filtering apparatus of a sampling apparatus for water environment detection based on vacuum self-priming technology according to the present invention;
fig. 3 is a schematic structural diagram of a first water suction tank of a sampling device for detecting a water environment based on a vacuum self-suction technology.
In the figure: 1-cylinder body, 2-water outlet cavity, 3-vacuum cavity, 4-sampling cavity, 5-water inlet cavity, 6-filtering device, 61-fixing frame, 62-clamping cavity, 63-filtering screen, 7-water inlet pipe, 8-first one-way valve, 9-communicating pipe, 10-second one-way valve, 11-first water suction box, 12-first water suction hole, 13-vacuum pipe, 14-first micro pump, 15-second water suction box, 16-second water suction hole, 17-sampling pipe, 18-second micro pump, 19-water seepage hole, 20-water feeding pipe, 21-sealing cover and 22-handle.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1 to 3, a sampling device for water environment detection based on a vacuum self-priming technology comprises a cylinder 1, a water outlet cavity 2 is arranged at the top end of the cylinder 1, a vacuum cavity 3 and a sampling cavity 4 are arranged in the cylinder 1, the sampling cavity 4 is arranged below the vacuum cavity 3, the bottom end of the sampling cavity 4 is connected with a water inlet pipe 7 in a penetrating manner, a first one-way valve 8 is arranged in the water inlet pipe 7, the top end of the sampling cavity 4 is connected with the vacuum cavity 3 in a penetrating manner through a communicating pipe 9, a second one-way valve 10 is arranged in the communicating pipe 9, a first water suction box 11 is arranged on one side of the bottom wall of the inner cavity of the vacuum cavity 3, the top end of the first water suction box 11 is connected with a vacuum pipe 13 in a penetrating manner, the other end of the vacuum pipe 13 sequentially penetrates through the top wall of the vacuum cavity 3 and the right side wall of the water outlet cavity 2 and is suspended outside, a first micro pump 14 is arranged on the vacuum pipe 13, during sampling, the bottom end of the cylinder 1 is inserted into water to be sampled, start first micropump 14, through the water in the 11 extraction vacuum chambers 3 of first water suction box, and discharge through vacuum tube 13, make and form vacuum negative pressure in the vacuum chamber 3, and then the air in the sample chamber 4 is impressed in vacuum chamber 3 through communicating pipe 9, and then form the negative pressure in sample chamber 4, outside water is under the effect of atmospheric pressure, impress in the sample chamber 4, thereby accomplish sample work, whole sample process operating personnel can't with sample chamber 4 direct contact, and the negative pressure in the sample chamber 4 is indirect completion, can effectually prevent that the outside from leading to the fact the pollution to sample chamber 4, guarantee the security of sample, improve the sample quality.
Example 2
The embodiment is further illustrated on the basis of embodiment 1, a second suction box 15 is arranged on the left side of the bottom wall of the inner cavity of the sampling cavity 4, the second suction box 15 and the first suction box 11 have the same structure, the first suction box 11 is of a disc structure, a plurality of first suction holes 12 are uniformly formed in the outer circumferential surface of the first suction box 11, a plurality of second suction holes 16 are uniformly formed in the outer circumferential surface of the second suction box 15, and the first suction box 11 completes the suction operation through the first suction holes 12; the second suction box 15 completes the suction operation through the second suction hole 16.
The top through connection sampling tube 17 of second suction box 15, the other end of sampling tube 17 runs through vacuum cavity 3 and the left side wall and the overhang that go out water cavity 2 in proper order and is outside, is equipped with second micro pump 18 on the sampling tube 17, the inner chamber diapire at play water cavity 2 is established to second micro pump 18, first micro pump 14 fixed connection is in the inner chamber diapire that goes out water cavity 2, through the sample water in the second micro pump 18 extraction sample cavity 4 to discharge through sampling tube 17, thereby accomplish the transfer of sample water.
The top center of the vacuum cavity 3 is connected with a water feeding pipe 20 in a through manner, the top end of the water feeding pipe 20 is sleeved with a sealing cover 21, water is fed into the vacuum cavity 3 through the water feeding pipe 20, air in the vacuum cavity 3 is discharged, and vacuum negative pressure can be formed in the vacuum cavity 3 by matching with the first water suction box 11 and the first micro pump 14.
Example 3
This embodiment is further elaborated on the basis of embodiment 1, the bottom of barrel 1 is equipped with intake antrum 5, the other end overhang of inlet tube 7 is in intake antrum 5, through setting up intake antrum 5, can effectual protection inlet tube 7 be damaged by the sample in-process.
The bottom opening of intake antrum 5 is equipped with filter equipment 6, filter equipment 6 is established in the below of inlet tube 7, and filter equipment 6 includes mount 61 and filter screen 63, mount 61 is the loop configuration, and mount 61 endotheca is in the inner chamber wall bottom of intake antrum 5, and the bottom of mount 61 is equipped with card chamber 62, be equipped with filter screen 63 in the card chamber 62, filter the solid impurity in the aquatic through filter screen 63, prevent to block up inlet tube 7, guarantee going on smoothly of sample work.
The top opening of the water outlet cavity 2 is hinged with a handle 22, so that the whole device is convenient to carry and use.
According to the working principle of the embodiment 1-3, water is added into the vacuum cavity 3 through the water adding pipe 20 to remove air in the vacuum cavity 3, during sampling, the bottom end of the cylinder 1 goes deep into water to be sampled, the first micropump 14 is started, water in the vacuum cavity 3 is extracted through the first water suction tank 11 and is discharged through the vacuum pipe 13, so that vacuum negative pressure is formed in the vacuum cavity 3, then the air in the sampling cavity 4 is pressed into the vacuum cavity 3 through the communicating pipe 9, then negative pressure is formed in the sampling cavity 4, and external water is pressed into the sampling cavity 4 under the action of atmospheric pressure, so that sampling work is completed; the sample water in the sampling chamber 4 is drawn by the second micro pump 18 and discharged through the sampling tube 17, thereby completing the transfer of the sample water.
The invention has the innovation points that water in the vacuum cavity 3 is extracted through the first water suction box 11 by the first micro pump 14 and is discharged through the vacuum tube 13, so that vacuum negative pressure is formed in the vacuum cavity 3, further, air in the sampling cavity 4 is pressed into the vacuum cavity 3 through the communicating tube 9, further, negative pressure is formed in the sampling cavity 4, external water is pressed into the sampling cavity 4 under the action of atmospheric pressure, so that sampling work is completed, an operator cannot directly contact with the sampling cavity 4 in the whole sampling process, and the negative pressure in the sampling cavity 4 is indirectly completed, so that pollution to the sampling cavity 4 from the outside can be effectively prevented, the safety of a sample is ensured, and the sampling quality is improved.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (4)
1. A sampling device for water environment detection based on a vacuum self-priming technology comprises a cylinder body (1), wherein a water outlet cavity (2) is arranged at the top end of the cylinder body (1), a vacuum cavity (3) and a sampling cavity (4) are arranged in the cylinder body (1), the sampling cavity (4) is arranged below the vacuum cavity (3), the bottom end of the sampling cavity (4) is in through connection with a water inlet pipe (7), a first one-way valve (8) is arranged in the water inlet pipe (7), the sampling device is characterized in that the top end of the sampling cavity (4) is in through connection with the vacuum cavity (3) through a communicating pipe (9), a second one-way valve (10) is arranged in the communicating pipe (9), a first water suction box (11) is arranged on one side of the bottom wall of an inner cavity of the vacuum cavity (3), a vacuum pipe (13) is in through connection with the top end of the first water suction box (11), and the other end of the vacuum pipe (13) sequentially penetrates through the top wall of the vacuum cavity (3) and the right side wall of the water outlet cavity (2) and is suspended outside, the vacuum tube (13) is provided with a first micro pump (14), the left side of the bottom wall of the inner cavity of the sampling cavity (4) is provided with a second water suction box (15), the structure of the second water suction box (15) is completely the same as that of the first water suction box (11), the first water suction box (11) is of a disc structure, the outer circular surface of the first water suction box (11) is uniformly provided with a plurality of first water suction holes (12), the outer circular surface of the second water suction box (15) is uniformly provided with a plurality of second water suction holes (16), the top end of the second water suction box (15) is communicated with a sampling tube (17), the other end of the sampling tube (17) sequentially penetrates through the left side walls of the vacuum cavity (3) and the water outlet cavity (2) and is suspended outside, the sampling tube (17) is provided with a second micro pump (18), the second micro pump (18) is arranged on the bottom wall of the inner cavity of the water outlet cavity (2), the first micro pump (14) is fixedly connected with the bottom wall of the water outlet cavity (2), the center of the top end of the vacuum cavity (3) is communicated with a water feeding pipe (20), the top end of the water feeding pipe (20) is sleeved with a sealing cover (21), the bottom end of the barrel body (1) is provided with a water inlet cavity (5), and the other end of the water inlet pipe (7) is suspended in the water inlet cavity (5).
2. The sampling device for detecting the water environment based on the vacuum self-priming technology as claimed in claim 1, wherein the bottom opening of the water inlet cavity (5) is provided with a filtering device (6), and the filtering device (6) is arranged below the water inlet pipe (7).
3. The sampling device for detecting the water environment based on the vacuum self-priming technology as claimed in claim 2, wherein the filtering device (6) comprises a fixing frame (61) and a filtering net (63), the fixing frame (61) is of an annular structure, the fixing frame (61) is sleeved at the bottom of the inner cavity wall of the water inlet cavity (5), the bottom end of the fixing frame (61) is provided with a clamping cavity (62), and the filtering net (63) is arranged in the clamping cavity (62).
4. The sampling device for detecting the water environment based on the vacuum self-suction technology as claimed in claim 1, wherein the top opening of the water outlet cavity (2) is hinged with a handle (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910025837.4A CN111044324B (en) | 2019-01-11 | 2019-01-11 | Water environment detection sampling device based on vacuum self-suction technology |
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| CN201910025837.4A CN111044324B (en) | 2019-01-11 | 2019-01-11 | Water environment detection sampling device based on vacuum self-suction technology |
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| CN111044324B true CN111044324B (en) | 2022-03-04 |
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