CN113281106B - Be used for different degree of depth quality of water sampling device - Google Patents
Be used for different degree of depth quality of water sampling device Download PDFInfo
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- CN113281106B CN113281106B CN202110843050.6A CN202110843050A CN113281106B CN 113281106 B CN113281106 B CN 113281106B CN 202110843050 A CN202110843050 A CN 202110843050A CN 113281106 B CN113281106 B CN 113281106B
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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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The invention discloses a water quality sampling device for different depths, and relates to the technical field of water quality sampling and detecting equipment. The air in the sampling pipes is retracted by the entering water pressure and is discharged to the bottom end in the main body through the connecting pipe and the first one-way exhaust valve, the air enters the main body and simultaneously drives the impeller to rotate reversely, and then the impeller drives the central shaft to rotate reversely, so that the arc-shaped pressing plate presses down and opens the one-way valve.
Description
Technical Field
The invention relates to the technical field of water quality sampling and detecting equipment, in particular to a water quality sampling device for different depths.
Background
The ocean is the widest water on earth, and along with the development of society, the pollution of water resource is also more serious, because of the ocean is the habitat of multiple different marine life, receive serious pollution in order to prevent that ocean water resource, all need regularly to detect the quality of water of ocean usually, nevertheless the in-process that detects is an important link to the sample step of water source, consequently for the effectual improvement to the sample effect of ocean water resource, mostly all can use sampling device to carry out auxiliary work.
Prior art is when taking a sample to the water, it is inside to place the water with sampling equipment usually, open the sampling tube through the external automatically controlled mechanical equipment along with entrying, make the water enter into the inside water sample of accomplishing of sampling tube, but opening and close of sampling tube among the prior art gets into the aquatic through needs external automatically controlled equipment or automatically controlled equipment together and carries out the automatically controlled of multiunit sampling tube and open and close, the phenomenon of the electric leakage of intaking can take place to electrical controlled equipment in the inside certain degree of water, play certain harm to the organism in the water, and certain degree can influence water sample work efficiency.
Disclosure of Invention
Based on the above, the invention aims to provide a sampling device for water quality at different depths, so as to solve the technical problems that the electric control equipment is used for controlling the opening and closing of the sampling tube in the prior art, so that the electric control equipment can cause water inflow and electric leakage to a certain extent to damage organisms in a water body and influence the working efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: a water quality sampling device for different depths comprises a main body and a connecting seat fixedly connected with the bottom end of the outer side of the main body, wherein a plurality of groups of sampling tubes with bottoms matched with the connecting seat are uniformly arranged on the outer side of the main body, and the bottoms of the plurality of groups of sampling tubes are sequentially connected with a connecting tube and a first one-way exhaust valve extending into the main body;
a central shaft is movably connected to the center position inside the main body, an impeller is arranged at the bottom end of the outer side of the central shaft, a fixing ring matched with the tops of the plurality of groups of sampling tubes is arranged at the top of the outer side of the main body, a rotating arm is connected to the position, above the main body, of the top of the central shaft, and a rotating block is fixedly connected to the tail end of the rotating arm;
the sampling tube is characterized in that an arc-shaped pressing plate with the bottom attached to the fixing ring is arranged below the rotating block, a plurality of groups of one-way valves penetrating through the fixing ring are arranged at the top ends of the inner parts of the sampling tubes, and one-way valve exhaust valves are arranged at the bottom ends of the inner parts of the one-way valves.
By adopting the technical scheme, when water enters the sampling tube, air in the sampling tube is retracted by the entering water pressure and is discharged to the bottom end in the main body through the connecting tube and the first one-way exhaust valve, the air enters the main body and drives the impeller to rotate reversely, the impeller drives the central shaft to rotate reversely, the tail end of the arc-shaped pressing plate is gradually separated from the one-way valve of the first group of sampling tubes, the other end of the arc-shaped pressing plate presses down and opens the one-way valve of the second group of sampling tubes, the second group of sampling tubes start to take water, the air in the second group of sampling tubes simultaneously enters the main body to drive the impeller to rotate, the impeller and the central shaft rotate slowly, the plurality of groups of sampling tubes are analogized to sample, and when the air enters the water storage cavity through the second one-way exhaust valve to extrude and discharge the water in the water storage cavity, the whole water sampling device starts to float upwards, in the floating process, a plurality of groups of sampling tubes are opened to sample water bodies with different depths sequentially through the opening of the arc-shaped pressing plate, and the water bodies with different depths can be sampled without opening and closing the sampling tubes by using external electric control equipment, so that the potential safety hazard of water inlet and electric leakage of the electric control equipment is greatly reduced, and aquatic organisms are protected to a certain extent.
The invention is further provided that the top end inside the one-way valve is movably connected with a stop block, the stop block is connected with the one-way valve through a conical spring, and the top of the stop block is movably connected with a movable roller ball matched with the arc-shaped pressure plate.
Through adopting above-mentioned technical scheme, under the cooperation of conical spring and dog was used, when the arc clamp plate did not extrude movable roller pearl, conical spring promoted the dog and made the check valve close.
The invention is further provided that the bottom of the rotating block is fixedly connected with a first spring, the bottom of the first spring is fixedly connected with a connecting block, and the bottom of the connecting block is fixedly connected with the top of the arc-shaped pressing plate.
Through adopting above-mentioned technical scheme, under the effect of first spring, make the arc clamp plate play an extruded state to solid fixed ring throughout at the pivoted in-process, when the arc clamp plate rotates to activity roller pearl top, play the extrusion to activity roller pearl.
The invention is further provided that a fixing frame is arranged at the bottom end of the outer side of the central shaft in the main body, and a cam column is arranged at the bottom of the fixing frame penetrating through the main body.
Through adopting above-mentioned technical scheme, the crane passively upwards slides, makes cam post, dead one-way bearing of lock, center pin, rotor arm and rotor block carry out the forward and rotate certain angle in proper order.
The invention is further arranged in that the central shaft is connected with the fixed frame through a one-way bearing, and the bottom of the cam column is connected with the lifting frame through a second spring.
By adopting the technical scheme, when the cam column rotates forwards, the one-way bearing is locked, the rotating arm is driven by the central shaft to rotate forwards for a certain angle for the first time, and the lifting frame can be reset downwards under the action of the second spring when the lifting frame floats upwards integrally.
The invention is further arranged in that the surface of the cam column is provided with a matching groove, the outer side of the cam column is provided with a lifting frame matched with the cam column, and the top end of the inner wall of the lifting frame is provided with a limiting block matched with the matching groove.
Through adopting above-mentioned technical scheme, when the crane ascends passively, under the cooperation of its inside stopper and cooperation groove, can make the cam post carry out the rotation of certain degree.
The invention is further provided that a partition board is arranged above the impeller in the main body, and a plurality of groups of second one-way exhaust valves are uniformly and annularly distributed in the partition board.
Through adopting above-mentioned technical scheme, the inside separation effect of baffle main part makes the retaining intracavity portion can carry out the retaining, and the one-way discharge valve of multiunit second can make the air admission retaining chamber that gets into the main part, further extrudees the inside water discharge main part outside in retaining chamber.
The invention is further arranged in such a way that a water storage cavity is formed in the main body and positioned at the top of the partition plate, a water injection port is formed in one side of the top end in the main body, a sealing plug is arranged in the water injection port, and one-way drain valves communicated with the water storage cavity are arranged at two ends of the main body.
Through adopting above-mentioned technical scheme, the water filling port is convenient to carry out the water injection to retaining intracavity portion, and the one-way drain valve makes can discharge the main part outside by gas compression's hydroenergy.
The invention is further provided that four corners of the outer wall of the fixing ring are fixedly connected with hanging rings, and the outer surfaces of the hanging rings are fixedly provided with anti-skidding rings.
By adopting the technical scheme, the lifting ring is convenient for external lifting equipment to integrally lift the lifting device, and is convenient to move.
The invention is further provided that supporting legs which are staggered with a plurality of groups of sampling tubes are uniformly distributed on the outer side of the main body, and friction pads are fixedly arranged at the bottoms of the supporting legs.
By adopting the technical scheme, the multiple groups of supporting legs play a role in supporting the whole body of the underwater submerged underwater vehicle when the whole body of the underwater submerged vehicle is submerged under the water.
In summary, the invention mainly has the following beneficial effects:
1. when water enters the sampling tubes, air in the sampling tubes is retracted by the entering water pressure and is discharged to the bottom end in the main body through the connecting tube and the first one-way exhaust valve, the air enters the main body and drives the impeller to rotate reversely, the impeller drives the central shaft to rotate reversely, the tail ends of the arc-shaped pressure plates are gradually separated from the one-way valves of the first group of sampling tubes, the other ends of the arc-shaped pressure plates press down and open the one-way valves of the second group of sampling tubes, the second group of sampling tubes start to take water, the air in the second group of sampling tubes simultaneously enters the main body and drives the impeller to rotate, the impeller and the central shaft rotate slowly, the plurality of groups of sampling tubes are sampled by analogy in turn, when the air enters the water storage cavity through the second one-way exhaust valve and extrudes the water in the water storage cavity, the whole device starts to float upwards, and the plurality of groups of sampling tubes sequentially open the arc-shaped pressure plates to sample water at different depths in the floating process, according to the invention, the sampling tube can be opened and closed without using external electric control equipment to sample water bodies with different depths, so that the potential safety hazard of water inlet and electric leakage of the electric control equipment is greatly reduced, and aquatic organisms are protected to a certain extent;
2. when the water sampling device is used, the water in the water storage cavity is filled with water, the water in the water storage cavity and the whole body of the water sampling device sink, when the bottom lifting frame contacts the water bottom, the lifting frame slides upwards passively, the cam column, the locked one-way bearing, the central shaft, the rotating arm and the rotating block are sequentially rotated forward by a certain angle, the arc-shaped pressing plate is enabled to press the movable roller balls at the top of the one-way valve under the action of the first spring, and then the water body can enter the first group of sampling tubes matched with the one-way valve through the one-way valve, so that the first group of sampling tubes finish sampling the water body at the deepest part;
3. the bottom of the central shaft is connected with the cam column through the one-way bearing, when the cam column rotates forwards, the one-way bearing is locked, the rotating arm is driven by the central shaft to rotate forwards for a certain angle for the first time, when the impeller rotates reversely under the action of gas, the impeller rotates reversely to drive the central shaft and the rotating arm to rotate reversely, at the moment, the one-way bearing idles, and therefore the problem that the central shaft cannot interfere with the cam column when the central shaft rotates reversely is solved.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic diagram of a first perspective structure according to the present invention;
FIG. 3 is a longitudinal cross-sectional view of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 5 is a transverse cross-sectional view of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B in accordance with the present invention;
FIG. 7 is a schematic diagram of a second perspective view of the present invention.
In the figure: 1. a main body; 2. a water storage cavity; 3. a connecting seat; 4. a sampling tube; 5. a connecting pipe; 6. a first one-way exhaust valve; 7. a fixing ring; 8. a central shaft; 9. a rotating arm; 10. rotating the block; 11. a first spring; 12. connecting blocks; 13. an arc-shaped pressing plate; 14. a one-way valve; 15. an impeller; 16. a one-way bearing; 17. a fixed mount; 18. a cam post; 19. a second spring; 20. a lifting frame; 21. a mating groove; 22. a partition plate; 23. a second one-way exhaust valve; 24. a water injection port; 25. a one-way drain valve; 26. a hoisting ring; 27. supporting legs; 28. a conical spring; 29. a stopper; 30. movable roller beads; 31. a one-way valve exhaust valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A water quality sampling device for different depths is disclosed, as shown in figures 1, 3, 4, 5 and 6, and comprises a main body 1 and a connecting seat 3 fixedly connected with the bottom end of the outer side of the main body 1, wherein a plurality of groups of sampling tubes 4 with the bottoms matched with the connecting seat 3 are uniformly arranged on the outer side of the main body 1, the bottoms of the plurality of groups of sampling tubes 4 are sequentially connected with a connecting tube 5 and a first one-way exhaust valve 6 extending to the inside of the main body 1, so that gas in the sampling tubes 4 enters the inside of the main body 1 through the connecting tube 5 at the bottom and the first one-way exhaust valve 6;
a central shaft 8 is movably connected at the central position inside the main body 1, an impeller 15 is arranged at the bottom end of the outer side of the central shaft 8, a fixing ring 7 matched with the tops of a plurality of groups of sampling tubes 4 is arranged at the top of the outer side of the main body 1, a rotating arm 9 is connected above the main body 1 at the top of the central shaft 8, a rotating block 10 is fixedly connected at the tail end of the rotating arm 9, a first spring 11 is fixedly connected at the bottom of the rotating block 10, a connecting block 12 is fixedly connected at the bottom of the first spring 11, the bottom of the connecting block 12 is fixedly connected with the top of an arc-shaped pressing plate 13, the bottom of the rotating block 10 is connected with the connecting block 12 through the first spring 11, the arc-shaped pressing plate 13 can press a movable roller ball 30 at the top of a one-way valve 14 under the action of the first spring 11, the movable roller ball 30 presses a stop block 29 to extrude a conical spring 28, so that the one-way valve 14 is opened, so that the external water body can automatically enter the sampling tube 4;
an arc-shaped pressing plate 13 with the bottom attached to the fixing ring 7 is arranged below the rotating block 10, one-way valves 14 penetrating through the fixing ring 7 are arranged at the top ends of the inner portions of the plurality of groups of sampling tubes 4, one-way valve exhaust valves 31 are arranged at the bottom ends of the inner portions of the one-way valves 14, check blocks 29 are movably connected to the top ends of the inner portions of the one-way valves 14, the check blocks 29 are connected with the one-way valves 14 through conical springs 28, and movable roller beads 30 matched with the arc-shaped pressing plate 13 are movably connected to the tops of the check blocks 29.
Referring to fig. 1 and 4, a fixing frame 17 is arranged at the bottom end of the main body 1 outside the central shaft 8, a cam column 18 is arranged at the bottom of the fixing frame 17 and penetrates through the main body 1, the central shaft 8 is connected with the fixing frame 17 through a one-way bearing 16, the bottom of the cam column 18 is connected with the lifting frame 20 through a second spring 19, a matching groove 21 is arranged on the surface of the cam column 18, a lifting frame 20 matched with the cam column 18 is arranged outside the cam column 18, and a limiting block matched with the matching groove 21 is arranged at the top end of the inner wall of the lifting frame 20 Center pin 8, rotor arm 9 and turning block 10 carry out forward rotation certain angle, make arc clamp plate 13 compress tightly the activity roller pearl 30 at check valve 14 top under the effect of first spring 11, and then the water can enter into rather than the first group sampling tube 4 that matches through check valve 14 inside, make first group sampling tube 4 accomplish to take a sample the water of deepest.
Referring to fig. 1, 3 and 5, a partition plate 22 is arranged above an impeller 15 inside a main body 1, a plurality of groups of second one-way exhaust valves 23 are uniformly and annularly distributed inside the partition plate 22, a water storage cavity 2 is formed in the top of the partition plate 22 inside the main body 1, a water filling port 24 is formed in one side of the top end inside the main body 1, a sealing plug is arranged inside the water filling port 24, and one-way drain valves 25 communicated with the water storage cavity 2 are arranged at two ends of the main body 1.
Referring to fig. 1, 2, 3, 5 and 7, the four corners of the outer wall of the fixing ring 7 are fixedly connected with hanging rings 26, the outer surfaces of the hanging rings 26 are fixedly provided with anti-slip rings, the outer side of the main body 1 is uniformly distributed with supporting legs 27 which are staggered with the plurality of groups of sampling tubes 4, and the bottoms of the supporting legs 27 are fixedly provided with friction pads.
The working principle of the invention is as follows: when the water storage device is used, a worker firstly fills water into the water storage cavity 2 at the top end in the main body 1 through the water filling port 24, the four groups of lifting rings 26 at the top of the water storage device are connected through external hoisting equipment, the arc-shaped pressing plate 13 is not in contact with any one group of one-way valves 14 in the multiple groups of one-way valves 14 at the moment, and the whole body of the water storage device continuously sinks in the water under the action of the gravity of the water in the water storage cavity 2 and the gravity of the whole body of the water storage device;
when the lifting frame 20 at the bottom of the main body 1 contacts the water bottom, the lifting frame 20 slides upwards passively, the top end inside the lifting frame 20 is provided with a limiting block matched with the matching groove 21, and then when the lifting frame 20 ascends, the cam column 18 rotates forwards under the action of the matching groove 21 and the limiting block, so that the cam column 18, the locked one-way bearing 16, the central shaft 8, the rotating arm 9 and the rotating block 10 rotate forwards for a certain angle, the arc-shaped pressing plate 13 presses the movable roller ball 30 at the top of the one-way valve 14 under the action of the first spring 11, and then water can enter the first group of sampling tubes 4 matched with the one-way valve 14, and the first group of sampling tubes 4 finish sampling the water at the deepest part;
furthermore, the bottom of the rotating block 10 is connected with a connecting block 12 through a first spring 11, the bottom of the connecting block 12 is fixedly connected with an arc-shaped pressing plate 13, and then the arc-shaped pressing plate 13 can press down a movable roller ball 30 at the top of the one-way valve 14 under the action of the first spring 11, the movable roller ball 30 presses down to drive a stop block 29 to extrude a conical spring 28, so that the one-way valve 14 is opened, and further, external water can automatically enter the sampling tube 4;
furthermore, a one-way valve exhaust valve 31 is arranged at the bottom end inside the one-way valve 14, when the one-way valve 14 is opened, the one-way valve exhaust valve 31 can prevent gas inside the sampling tube 4 from being discharged from the inside of the one-way valve 14, and then external water with certain pressure outside extrudes and opens the one-way valve exhaust valve 31, so that the gas inside the sampling tube 4 is compressed better by the water, and the gas inside the sampling tube 4 enters the main body 1 through the connecting pipe 5 at the bottom and the first one-way exhaust valve 6;
as can be seen from the above, when the water body enters the first group of sampling tubes 4, the air inside the sampling tubes 4 is compressed by the entering water, and then is discharged to the bottom end inside the main body 1 through the connecting tube 5 and the first one-way exhaust valve 6, the air enters the main body 1 and simultaneously drives the impeller 15 to rotate in the reverse direction, and then the impeller 15 drives the central shaft 8 to rotate in the reverse direction, so that the tail end of the arc-shaped pressing plate 13 gradually separates from the one-way valve 14 of the first group of sampling tubes 4, and the other end presses down and opens the one-way valve 14 of the second group of sampling tubes 4, so that the second group of sampling tubes 4 start to take water;
therefore, gas in the second group of sampling tubes 4 simultaneously enters the main body 1 to drive the impeller 15 to rotate, the impeller 15 and the central shaft 8 slowly rotate, the plurality of groups of sampling tubes 4 are sampled by analogy, and when the gas enters the water storage cavity 2 through the second one-way exhaust valve 23 to extrude and discharge water in the water storage cavity 2, the whole body starts to float upwards, the plurality of groups of sampling tubes 4 sequentially open the arc-shaped pressing plate 13 to sample water bodies with different depths in the floating process, the whole body can sample the water bodies with different depths without using external electric control equipment to open and close the sampling tubes 4, the potential safety hazard of water inlet and leakage of electric control equipment is greatly reduced, and aquatic organisms are protected to a certain extent;
the bottom of the central shaft 8 is connected with the cam column 18 through the one-way bearing 16, when the cam column 18 rotates forwards, the one-way bearing 16 is locked, and then the central shaft 8 drives the rotating arm 9 to rotate forwards for a certain angle for the first time, when the impeller 15 rotates reversely under the action of gas, the impeller 15 rotates reversely to drive the central shaft 8 and the rotating arm 9 to rotate reversely, at the moment, the one-way bearing 16 idles, and therefore the central shaft 8 cannot interfere with the cam column 18 when rotating reversely;
in the integral floating process of the invention, a plurality of groups of sampling tubes 4 are opened at positions with different depths to finish the sampling process of water bodies with different depths, and finally, workers lifting the integral floating sampling tube out of the water surface of the invention can detect the water quality of the water body in the sampling tubes 4 through external hoisting equipment.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.
Claims (3)
1. The utility model provides a be used for different degree of depth quality of water sampling device, includes main part (1) and its outside bottom end fixed connection's connecting seat (3), its characterized in that: a plurality of groups of sampling tubes (4) with bottoms matched with the connecting seats (3) are uniformly arranged on the outer side of the main body (1), and the bottoms of the plurality of groups of sampling tubes (4) are sequentially connected with connecting pipes (5) and first one-way exhaust valves (6) extending into the main body (1);
a central shaft (8) is movably connected to the center position in the main body (1), an impeller (15) is arranged at the bottom end of the outer side of the central shaft (8), a fixing ring (7) matched with the tops of a plurality of groups of sampling tubes (4) is arranged at the top of the outer side of the main body (1), a rotating arm (9) is connected to the top of the central shaft (8) above the main body (1), and a rotating block (10) is fixedly connected to the tail end of the rotating arm (9);
the device is characterized in that an arc-shaped pressing plate (13) with the bottom attached to a fixing ring (7) is arranged below the rotating block (10), a check valve (14) penetrating through the fixing ring (7) is arranged at the top end inside the sampling tubes (4) in multiple groups, a check valve exhaust valve (31) is arranged at the bottom end inside the check valve (14), a check block (29) is movably connected to the top end inside the check valve (14), the check block (29) is connected with the check valve (14) through a conical spring (28), a movable roller bead (30) matched with the arc-shaped pressing plate (13) is movably connected to the top of the check block (29), a first spring (11) is fixedly connected to the bottom of the rotating block (10), a connecting block (12) is fixedly connected to the bottom of the first spring (11), the bottom of the connecting block (12) is fixedly connected to the top of the arc-shaped pressing plate (13), a fixing frame (17) is arranged at the bottom inside the main body (1) and outside the center shaft (8), the bottom of the fixing frame (17) penetrates through the main body (1) to be provided with a cam column (18), the surface of the cam column (18) is provided with a matching groove (21), the outer side of the cam column (18) is provided with a lifting frame (20) matched with the cam column (18), the top end of the inner wall of the lifting frame (20) is provided with a limiting block matched with the matching groove (21), a partition plate (22) is arranged above the impeller (15) inside the main body (1), the top of the partition plate (22) inside the main body (1) is provided with a water storage cavity (2), the central shaft (8) and the fixing frame (17) are connected through a one-way bearing (16), the bottom of the cam column (18) and the lifting frame (20) are connected through a second spring (19), a plurality of groups of second one-way exhaust valves (23) are uniformly and annularly distributed inside the partition plate (22), one side of the top end inside the main body (1) is provided with a water injection port (24), and a sealing plug is arranged in the water injection port (24), and one-way drain valves (25) communicated with the water storage cavity (2) are arranged at two ends of the main body (1).
2. A water quality sampling device for different depths according to claim 1 wherein: the four corners of the outer wall of the fixing ring (7) are fixedly connected with hanging rings (26), and the outer surfaces of the hanging rings (26) are fixedly provided with anti-skidding rings.
3. A water quality sampling device for different depths according to claim 1 wherein: the main part (1) outside evenly distributed have with the crisscross supporting leg (27) that sets up of multiunit sampling tube (4), and supporting leg (27) bottom all is fixed to be provided with the friction pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843050.6A CN113281106B (en) | 2021-07-26 | 2021-07-26 | Be used for different degree of depth quality of water sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843050.6A CN113281106B (en) | 2021-07-26 | 2021-07-26 | Be used for different degree of depth quality of water sampling device |
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| Publication Number | Publication Date |
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| CN113281106A CN113281106A (en) | 2021-08-20 |
| CN113281106B true CN113281106B (en) | 2021-10-29 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368885A (en) * | 2008-09-08 | 2009-02-18 | 无锡尚沃生物科技有限公司 | Gas automatic sampling and conveying device |
| CN107271222A (en) * | 2017-07-05 | 2017-10-20 | 湖北理工学院 | A kind of portable underground/surface water different depth water sampling unit and method |
| CN108680398B (en) * | 2018-06-05 | 2020-06-26 | 河北工程大学 | Automatic sinking and floating water taking equipment |
| CN209640033U (en) * | 2019-03-18 | 2019-11-15 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Atmospheric pressure floating ball type fixed deepwater sampling device |
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