CN114397144A - Water sample collection device for environmental monitoring and sewage treatment engineering - Google Patents
Water sample collection device for environmental monitoring and sewage treatment engineering Download PDFInfo
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- CN114397144A CN114397144A CN202210073399.0A CN202210073399A CN114397144A CN 114397144 A CN114397144 A CN 114397144A CN 202210073399 A CN202210073399 A CN 202210073399A CN 114397144 A CN114397144 A CN 114397144A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 239000010865 sewage Substances 0.000 title claims abstract description 16
- 230000007613 environmental effect Effects 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a water sample collecting device for environmental monitoring and sewage treatment engineering, which belongs to the technical field of water quality monitoring and comprises a supporting rod, a flexible connecting piece, a driving component, a buoyancy component, a clamping component and a water storage cylinder, wherein one end of the flexible connecting piece is connected with the supporting rod, the other end of the flexible connecting piece penetrates through the buoyancy component and is connected with the water storage cylinder, the clamping component is arranged on the inner side of the buoyancy component and is used for clamping the flexible connecting piece, the driving component is arranged on one side of the supporting rod and is used for driving the clamping component to reciprocate on the inner side of the buoyancy component, and when the clamping component moves towards one direction, the clamping state of the flexible connecting piece can be released, so that the flexible connecting piece can move compared with the buoyancy component. Compared with the prior art, the water storage device disclosed by the embodiment of the invention can conveniently adjust the depth of the water storage cylinder in the water body, realizes the collection of water samples with different depths, and has the advantages of simple structure and good water sample collection effect.
Description
Technical Field
The invention belongs to the technical field of water quality monitoring, and particularly relates to a water sample collecting device for environmental monitoring and sewage treatment engineering.
Background
When water environment quality analysis and sewage treatment facility treatment effect research and analysis are carried out, the environmental water body and sewage in the treatment facility are generally sampled and monitored, so that the water environment condition and the operation condition of the treatment facility and problems are judged, and the representativeness of the collected water sample is very important. In the prior art, containers are mostly adopted for direct loading and taking, and the sampling position and depth have certain limitations, so that the reliability of the assay result is not high.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide a water sample collecting device for environmental monitoring and sewage treatment engineering.
In order to solve the technical problems, the invention provides the following technical scheme:
a water sample collecting device for environmental monitoring and sewage treatment engineering, which comprises a supporting rod, a flexible connecting piece, a driving component, a buoyancy component, a clamping component and a water storage cylinder,
one end of the flexible connecting piece is connected with the supporting rod, the other end of the flexible connecting piece penetrates through the buoyancy assembly and is connected with the water storage cylinder,
the clamping component is arranged on the inner side of the buoyancy component and is used for clamping the flexible connecting piece,
the driving component is arranged on one side of the supporting rod and is used for driving the clamping component to reciprocate on the inner side of the buoyancy component,
when the clamping component moves towards one direction, the clamping state of the flexible connecting piece can be released, so that the flexible connecting piece can move relative to the buoyancy component,
when the clamping assembly moves towards the other direction, the flexible connecting piece can be clamped so as to limit the flexible connecting piece to move relative to the buoyancy assembly.
As a further improvement of the invention: the buoyancy assembly comprises a buoyancy barrel and a pipeline penetrating through the buoyancy barrel,
the flexible connecting piece is arranged on the inner side of the pipeline in a penetrating way and is movably matched with the pipeline,
the centre gripping subassembly includes flexible layer, first connecting rod and clamp plate, the flexible layer ring is located the pipeline outside, and the flexible layer with buoyancy section of thick bamboo inner wall fixed connection, the opening has been seted up to the pipeline lateral wall, the clamp plate activity sets up inside the opening, first connecting rod one end with the clamp plate links to each other, the other end with the flexible layer links to each other, the flexible layer is kept away from one side of pipeline with form annular cavity between the buoyancy section of thick bamboo, drive assembly is used for control the increase and decrease of the inside air of cavity.
As a further improvement of the invention: the side wall of the water storage cylinder is provided with a through hole, the inner side of the water storage cylinder is movably provided with a sealing component,
the sealing assembly is used for plugging the through hole, the flexible connecting piece is hollow, and one end of the flexible connecting piece is communicated with the inner cavity of the water storage cylinder.
As a further improvement of the invention: the sealing assembly comprises a piston plate, a second connecting rod, a third connecting rod and a sealing plate,
the piston plate is movably arranged in the water storage cylinder, the second connecting rod is fixedly arranged on one side of the piston plate, the third connecting rod is fixedly arranged at one end, far away from the piston plate, of the second connecting rod, the sealing plate is fixedly arranged at one end, far away from the second connecting rod, of the third connecting rod, and the sealing plate is attached to the inner wall of the water storage cylinder and used for plugging the through hole.
As a still further improvement of the invention: the piston plate is connected with the inner wall of the water storage cylinder through a second elastic piece.
As a still further improvement of the invention: the driving component comprises a column barrel, a first elastic piece, a plunger and an air pipe,
the column casing fixed mounting be in bracing piece one side, the plunger activity sets up inside the column casing, first elastic component one end with the plunger links to each other, and the other end with the column casing inner wall links to each other, the spout has been seted up to the column casing lateral wall, the fixed handle that is provided with of plunger lateral wall, the handle is kept away from the one end of plunger certainly the spout extends to the column casing is outside, trachea one end with the column casing intercommunication, the other end pass buoyancy section of thick bamboo lateral wall and with the cavity intercommunication.
As a still further improvement of the invention: the winding device is characterized in that a winding wheel is rotatably arranged on one side of the supporting rod, one end of the flexible connecting piece is wound to the outside of the winding wheel, and a rocking handle is fixedly arranged on one side of the winding wheel.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, when water samples are collected, the buoyancy component and the water storage cylinder can be thrown to the water surface, the buoyancy component floats on the water surface, the water storage cylinder sinks in water by virtue of gravity, the driving component drives the clamping component to move towards one direction, so that the clamping state of the flexible connecting piece is relieved, at the moment, the flexible connecting piece can be driven to move relative to the buoyancy component under the action of the gravity of the water storage cylinder, the water storage cylinder sinks to the inside of the water body, when the water storage cylinder reaches a preset depth, the driving component drives the clamping component to move towards the other direction so as to clamp the flexible connecting piece, so that the flexible connecting piece and the buoyancy component are limited into a whole, at the moment, under the action of the buoyancy component, the water storage cylinder stays at the preset depth position in the water body, so that the water samples are collected, compared with the prior art, the depth of the water storage cylinder in the water body can be conveniently adjusted, realize the collection of different degree of depth water samples, have simple structure and the effectual advantage of water sample collection.
Drawings
FIG. 1 is a schematic structural diagram of a water sample collecting device according to the present invention;
FIG. 2 is a schematic structural view of a buoyancy cylinder in the water sampling device of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: 10-support rod, 20-winding wheel, 30-flexible connecting piece, 40-driving component, 401-column barrel, 402-first elastic piece, 403-handle, 404-plunger, 405-air pipe, 50-buoyancy component, 501-buoyancy barrel, 502-pipeline, 503-flexible layer, 504-first connecting rod, 505-opening, 506-pressing plate, 60-sealing component, 601-second elastic piece, 602-piston plate, 603-second connecting rod, 604-sealing plate, 605-third connecting rod, 70-water storage barrel and 701-through hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the embodiment provides a water sample collection device for environmental monitoring and sewage treatment engineering, including a support rod 10, a flexible connecting member 30, a driving member 40, a buoyancy member 50, a clamping member and a water storage cylinder 70, wherein one end of the flexible connecting member 30 is connected to the support rod 10, the other end of the flexible connecting member passes through the buoyancy member 50 and is connected to the water storage cylinder 70, the clamping member is disposed inside the buoyancy member 50 for clamping the flexible connecting member 30, the driving member 40 is mounted on one side of the support rod 10 for driving the clamping member to reciprocate inside the buoyancy member 50, when the clamping member moves in one direction, the clamping state of the flexible connecting member 30 can be released, so that the flexible connecting member 30 can move relative to the buoyancy member 50, when the clamping member moves in the other direction, the flexible connector 30 may be clamped to limit movement of the flexible connector 30 relative to the buoyancy assembly 50.
During water sample collection, can be with buoyancy module 50 and water storage cylinder 70 jettison to the surface of water, buoyancy module 50 floats on the surface of water, water storage cylinder 70 relies on gravity to sink in aqueous, drive the centre gripping subassembly through drive assembly 40 and remove to a direction, thereby remove the centre gripping state to flexible connector 30, this moment under the action of gravity of water storage cylinder 70, can drive flexible connector 30 and compare in buoyancy module 50 removal, water storage cylinder 70 sinks to inside the water, when water storage cylinder 70 reaches the predetermined degree of depth, drive assembly 40 drives the centre gripping subassembly and removes to another direction, in order to carry out the centre gripping to flexible connector 30, and then inject flexible connector 30 and buoyancy module 50 as an organic whole, at this moment under buoyancy module 50's effect, water storage cylinder 70 stops the predetermined depth position in the water, thereby gather the water sample.
Referring to fig. 1, in an embodiment, the buoyancy assembly 50 includes a buoyancy cylinder 501 and a pipeline 502 penetrating through the buoyancy cylinder 501, the flexible connector 30 is disposed inside the pipeline 502 and movably engaged with the pipeline 502, the clamping assembly includes a flexible layer 503, a first connecting rod 504 and a pressing plate 506, the flexible layer 503 is disposed around the outside of the pipeline 502, the flexible layer 503 is fixedly connected to an inner wall of the buoyancy cylinder 501, an opening 505 is formed in a side wall of the pipeline 502, the pressing plate 506 is movably disposed inside the opening 505, one end of the first connecting rod 504 is connected to the pressing plate 506, the other end is connected to the flexible layer 503, an annular chamber is formed between one side of the flexible layer 503, which is far away from the pipeline 502, and the buoyancy cylinder 501, and the driving assembly 40 is configured to control increase or decrease of air inside the chamber.
The air in the chamber is reduced under the control of the driving assembly 40, the flexible layer 503 contracts towards the inner side of the chamber, and the first connecting rod 504 drives the pressing plate 506 to move, so that the pressing plate 506 is far away from the flexible connecting piece 30, the clamping of the flexible connecting piece 30 is relieved, at the moment, under the action of the gravity of the water storage cylinder 70, the flexible connecting piece 30 can be driven to move compared with the buoyancy cylinder 50, and the water storage cylinder 70 sinks to the deep part of the water body; after the water storage cylinder 70 sinks to the preset depth, the driving assembly 40 controls the air in the chamber to increase, so that the flexible layer 503 is driven to expand towards the outer side of the chamber, the first connecting rod 504 drives the pressing plate 506 to move reversely, the pressing plate 506 acts on the flexible connecting piece 30 to clamp the flexible connecting piece 30, the water storage cylinder 70 is limited, the water storage cylinder 70 is guaranteed to stay at the preset depth, and a water sample is collected.
Referring to fig. 2 and fig. 3, in an embodiment, a through hole 701 is formed in a side wall of the water storage cylinder 70, a sealing component 60 is movably disposed inside the water storage cylinder 70, the sealing component 60 is used for sealing the through hole 701, the interior of the flexible connecting member 30 is hollow, and one end of the flexible connecting member 30 is communicated with an inner cavity of the water storage cylinder 70.
When the pressing plate 506 moves to clamp the flexible connecting piece 30, because the flexible connecting piece 30 is hollow inside, the pressing plate 506 can squeeze the flexible connecting piece 30 to drive the air inside the flexible connecting piece 30 to enter the water storage cylinder 70, further push the sealing assembly 60 to move, so as to remove the blocking state of the through hole 701, and at the moment, sample water can enter the water storage cylinder 70 through the through hole 701 to finish the collection of water samples.
Referring to fig. 3, in an embodiment, the sealing assembly 60 includes a piston plate 602, a second connecting rod 603, a third connecting rod 605 and a sealing plate 604, the piston plate 602 is movably disposed inside the water storage cylinder 70, the second connecting rod 603 is fixedly mounted on one side of the piston plate 602, the third connecting rod 605 is fixedly disposed at one end of the second connecting rod 603 away from the piston plate 602, the sealing plate 604 is fixedly disposed at one end of the third connecting rod 605 away from the second connecting rod 603, and the sealing plate 604 is attached to an inner wall of the water storage cylinder 70 for sealing the through hole 701.
When the pressure plate 506 clamps the flexible connector 30, air inside the flexible connector 30 can be pressed into the water storage cylinder 70, so as to push the piston plate 602 to move, and when the piston plate 602 moves, the second connecting rod 603, the third connecting rod 605 and the sealing plate 604 can be driven to move, so that the sealing plate 604 is removed from one side of the through hole 701, and at the moment, an external water source can enter the water storage cylinder 70 through the through hole 701, so that water sample collection is realized.
Referring to fig. 3, in one embodiment, the piston plate 602 is connected to the inner wall of the reservoir 70 through a second elastic member 601.
Referring to fig. 1, in an embodiment, the driving assembly 40 includes a cylinder 401, a first elastic member 402, a plunger 404, and an air pipe 405, the cylinder 401 is fixedly installed at one side of the support rod 10, the plunger 404 is movably disposed inside the cylinder 401, one end of the first elastic member 402 is connected to the plunger 404, the other end is connected to an inner wall of the cylinder 401, a sliding slot (not shown) is formed in a side wall of the cylinder 401, a handle 403 is fixedly disposed on the side wall of the plunger 404, one end of the handle 403, which is far away from the plunger 404, extends from the sliding slot to the outside of the cylinder 401, one end of the air pipe 405 is communicated with the cylinder 401, and the other end of the air pipe passes through a side wall of the buoyancy cylinder 501 and is communicated with the chamber.
The plunger 404 is driven to move along the interior of the column barrel 401 by pulling the handle 403, when the plunger 404 moves, air in the cavity can be pumped into the column barrel 401 from the air pipe 405, so as to drive the flexible layer 503 to move towards the inner side of the cavity, the pressing plate 506 is driven to move by the first connecting rod 504, so that the clamping of the flexible connecting piece 30 is released, the water storage barrel 70 can drive the flexible connecting piece 30 to move, the water storage barrel 70 sinks into the water body, when the water storage barrel 70 reaches a preset depth, the handle 403 is pushed reversely to drive the plunger 404 to move reversely, so that the air in the column barrel 401 is pressed into the cavity 503 by the air pipe 405, so as to drive the flexible layer 503 to move away from the cavity, the pressing plate 506 is driven to move by the first connecting rod 504, the pressing plate 506 clamps the flexible connecting piece 30, so as to limit the movement of the flexible connecting piece 30 and press the flexible connecting piece 30, and the air in the flexible connecting piece 30 enters the water storage barrel 70, the piston plate 602 and the sealing plate 604 are pushed to move, so that the through hole 701 is opened, an external water source enters the water storage cylinder 70 through the through hole 701, and water sample collection is realized.
Referring to fig. 1, in one embodiment, a winding wheel 20 is rotatably disposed at one side of the support rod 10, one end of the flexible connecting element 30 is wound outside the winding wheel 20, and a rocking handle is fixedly disposed at one side of the winding wheel 20.
After the water storage cylinder 70 finishes water sample collection, the winding wheel 20 is driven to rotate by rotating the rocking handle, so that the flexible connecting piece 30 is wound to drive the water storage cylinder 70 to remove the water surface.
In an embodiment, the first elastic member 402 and the second elastic member 601 may be a spring or a metal spring, which is not limited herein.
In one embodiment, the flexible layer 503 is a rubber layer or a silicone layer, and the flexible connecting member 30 is a plastic tube or a rubber tube.
In the embodiment of the invention, when collecting water samples, the buoyancy assembly 50 and the water storage cylinder 70 can be thrown to the water surface, the buoyancy assembly 50 floats on the water surface, the water storage cylinder 70 sinks in the water by virtue of gravity, the clamping assembly is driven to move towards one direction by the driving assembly 40, so that the clamping state of the flexible connecting piece 30 is released, at the moment, under the action of the gravity of the water storage cylinder 70, the flexible connecting piece 30 can be driven to move compared with the buoyancy assembly 50, the water storage cylinder 70 sinks into the water body, when the water storage cylinder 70 reaches a preset depth, the driving assembly 40 drives the clamping assembly to move towards the other direction so as to clamp the flexible connecting piece 30, so that the flexible connecting piece 30 and the buoyancy assembly 50 are limited into a whole, at the moment, under the action of the buoyancy assembly 50, the water storage cylinder 70 stays at a preset depth position in the water body, so as to collect water samples, compared with the prior art, the depth of the water storage cylinder 70 in the water body can be conveniently adjusted, the water samples with different depths can be collected, and the water storage cylinder has the advantages of simple structure and good water sample collection effect.
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 (7)
1. A water sample collecting device for environmental monitoring and sewage treatment engineering is characterized by comprising a supporting rod, a flexible connecting piece, a driving component, a buoyancy component, a clamping component and a water storage cylinder,
one end of the flexible connecting piece is connected with the supporting rod, the other end of the flexible connecting piece penetrates through the buoyancy assembly and is connected with the water storage cylinder,
the clamping component is arranged on the inner side of the buoyancy component and is used for clamping the flexible connecting piece,
the driving component is arranged on one side of the supporting rod and is used for driving the clamping component to reciprocate on the inner side of the buoyancy component,
when the clamping component moves towards one direction, the clamping state of the flexible connecting piece can be released, so that the flexible connecting piece can move relative to the buoyancy component,
when the clamping assembly moves towards the other direction, the flexible connecting piece can be clamped so as to limit the flexible connecting piece to move relative to the buoyancy assembly.
2. The water sample collection device for environmental monitoring and sewage treatment engineering according to claim 1, wherein the buoyancy module comprises a buoyancy cylinder and a pipeline penetrating through the buoyancy cylinder,
the flexible connecting piece is arranged on the inner side of the pipeline in a penetrating way and is movably matched with the pipeline,
the centre gripping subassembly includes flexible layer, first connecting rod and clamp plate, the flexible layer ring is located the pipeline outside, and the flexible layer with buoyancy section of thick bamboo inner wall fixed connection, the opening has been seted up to the pipeline lateral wall, the clamp plate activity sets up inside the opening, first connecting rod one end with the clamp plate links to each other, the other end with the flexible layer links to each other, the flexible layer is kept away from one side of pipeline with form annular cavity between the buoyancy section of thick bamboo, drive assembly is used for control the increase and decrease of the inside air of cavity.
3. The water sample collection device for environmental monitoring and sewage treatment engineering of claim 2, wherein the side wall of the water storage cylinder is provided with a through hole, the inner side of the water storage cylinder is movably provided with a sealing component,
the sealing assembly is used for plugging the through hole, the flexible connecting piece is hollow, and one end of the flexible connecting piece is communicated with the inner cavity of the water storage cylinder.
4. The water sample collection device for environmental monitoring and sewage treatment engineering of claim 3, wherein the sealing assembly comprises a piston plate, a second connecting rod, a third connecting rod and a sealing plate,
the piston plate is movably arranged in the water storage cylinder, the second connecting rod is fixedly arranged on one side of the piston plate, the third connecting rod is fixedly arranged at one end, far away from the piston plate, of the second connecting rod, the sealing plate is fixedly arranged at one end, far away from the second connecting rod, of the third connecting rod, and the sealing plate is attached to the inner wall of the water storage cylinder and used for plugging the through hole.
5. The water sample collecting device for environmental monitoring and sewage treatment engineering as claimed in claim 4, wherein the piston plate is connected with the inner wall of the water storage cylinder through a second elastic member.
6. The water sample collecting device for environmental monitoring and sewage treatment engineering according to claim 2, wherein said driving component comprises a cylinder, a first elastic member, a plunger and an air pipe,
the column casing fixed mounting be in bracing piece one side, the plunger activity sets up inside the column casing, first elastic component one end with the plunger links to each other, and the other end with the column casing inner wall links to each other, the spout has been seted up to the column casing lateral wall, the fixed handle that is provided with of plunger lateral wall, the handle is kept away from the one end of plunger certainly the spout extends to the column casing is outside, trachea one end with the column casing intercommunication, the other end pass buoyancy section of thick bamboo lateral wall and with the cavity intercommunication.
7. The water sample collection device for environmental monitoring and sewage treatment engineering according to claim 1, wherein a winding wheel is rotatably arranged on one side of the support rod, one end of the flexible connecting piece is wound outside the winding wheel, and a rocking handle is fixedly arranged on one side of the winding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073399.0A CN114397144A (en) | 2022-01-21 | 2022-01-21 | Water sample collection device for environmental monitoring and sewage treatment engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073399.0A CN114397144A (en) | 2022-01-21 | 2022-01-21 | Water sample collection device for environmental monitoring and sewage treatment engineering |
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| Publication Number | Publication Date |
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| CN114397144A true CN114397144A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210073399.0A Pending CN114397144A (en) | 2022-01-21 | 2022-01-21 | Water sample collection device for environmental monitoring and sewage treatment engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN114397144A (en) |
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| CN115452200A (en) * | 2022-09-19 | 2022-12-09 | 河海大学 | Water environment temperature measuring tool |
| CN115449799A (en) * | 2022-08-12 | 2022-12-09 | 信丰正天伟电子科技有限公司 | Protective agent solution immersion structure for electroplated copper plate |
| CN116858618A (en) * | 2023-08-14 | 2023-10-10 | 国家深海基地管理中心 | Deep sea pressurize sampling device |
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| CN116858618B (en) * | 2023-08-14 | 2023-12-19 | 国家深海基地管理中心 | Deep sea pressurize sampling device |
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