CN216645987U - Semi-automatic deep water multilayer sample thief - Google Patents
Semi-automatic deep water multilayer sample thief Download PDFInfo
- Publication number
- CN216645987U CN216645987U CN202123107140.3U CN202123107140U CN216645987U CN 216645987 U CN216645987 U CN 216645987U CN 202123107140 U CN202123107140 U CN 202123107140U CN 216645987 U CN216645987 U CN 216645987U
- Authority
- CN
- China
- Prior art keywords
- sensing line
- sampling chamber
- liquid detector
- display unit
- sampling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model belongs to the technical field of experimental equipment, and particularly discloses a semi-automatic deep water multilayer sampler, which comprises: the device comprises a body, a sampling chamber, a controller, a small motor and a four-blade propeller; a plurality of sampling chambers and depth sensors are arranged in the sealed body, and the depth sensors are connected with a depth sensor display through a sensing line bus; the lower end of the body is connected with a small motor; the small-sized motor is connected with the four-blade propeller. According to the utility model, different submergence depths are determined by the depth sensor according to submergence speed and submergence time, and water samples to be detected at different depths can be taken under the condition of specific water depth. This sampler can use in specific experimental environment, and the sampling speed is fast, improves work efficiency, practices thrift the cost of labor, improves sample quality.
Description
Technical Field
The utility model belongs to the technical field of experimental equipment, and particularly relates to a semi-automatic deep water multilayer sampler.
Background
The underwater sampler is a device for collecting liquid to be detected, is widely used in various scientific researches, is one of the most common and most common apparatuses for scientific experiments, and is mostly a manual type single sampler.
The common deep water sampler has larger volume and heavier self weight, is mostly manual and can only sample once, and simultaneously, the possibility that the original water level sampling is difficult to keep or the sampling depth is inaccurate when a water sample is taken is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a semi-automatic deep water multilayer sampler, which solves the problems that in the prior art, in-situ collection is difficult to maintain, single collection is difficult to realize, and the collection depth is inaccurate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a semi-automatic deep water multilayer sampler, comprising: the device comprises a body, a sampling chamber, a controller, a small motor and a four-blade propeller;
a plurality of sampling chambers and depth sensors are arranged in the sealed body, and the depth sensors are connected with a depth sensor display through a sensing line bus;
the lower end of the body is connected with a small motor; the small-sized motor is connected with the four-blade propeller.
Furthermore, the sensing line bus comprises a first sensing line, a second sensing line, a third sensing line, a fourth sensing line, a fifth sensing line and a depth sensor sensing line; the depth sensor is connected with the depth sensor display through a depth sensor sensing line.
Further, the sampling chambers include a first sampling chamber, a second sampling chamber, a third sampling chamber, and a fourth sampling chamber.
Furthermore, a first liquid detector is arranged at the upper end of the first sampling chamber, a second liquid detector is arranged at the upper end of the second sampling chamber, a third liquid detector is arranged at the upper end of the third sampling chamber, and a fourth liquid detector is arranged at the upper end of the fourth sampling chamber.
Furthermore, the openings of the first sampling chamber, the second sampling chamber, the third sampling chamber and the fourth sampling chamber are all located on the side wall of the body, a first control door is arranged on the opening of the first sampling chamber, a second control door is arranged on the opening of the second sampling chamber, a third control door is arranged on the opening of the third sampling chamber, and a fourth control door is arranged on the opening of the fourth sampling chamber.
Further, the first sensing line, the second sensing line, the third sensing line and the fourth sensing line all comprise detection lines;
the first liquid detector, the second liquid detector, the third liquid detector and the fourth liquid detector are respectively connected with the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit through detection lines in a first sensing line, a second sensing line, a third sensing line and a fourth sensing line; and the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit are used for judging whether each sampling chamber is filled with water or not according to signals of the first sensing line, the second sensing line, the third sensing line and the fourth sensing line.
Furthermore, the first sensing line, the second sensing line, the third sensing line and the fourth sensing line comprise control lines;
the first control door, the second control door, the third control door and the fourth control door are respectively connected with a corresponding first sampling chamber control button, a corresponding second sampling chamber control button, a corresponding third sampling chamber control button and a corresponding fourth sampling chamber control button through control lines in the first sensing line, the second sensing line, the third sensing line and the fourth sensing line.
Furthermore, the small motor is connected with a small motor control button through a fifth sensing wire.
Further, the body is cylindrical and made of a metal material.
Furthermore, first sampling chamber, second sampling chamber, third sampling chamber and fourth sampling chamber's the same, the capacity is the same the body is last to arrange in proper order down.
The utility model has at least the following beneficial effects:
1. according to the utility model, different submergence depths are determined by the depth sensor according to submergence speed and submergence time, and water samples to be detected at different depths can be taken under the condition of specific water depth. This sampler can use in specific experimental environment, and the sampling speed is fast, improves work efficiency, practices thrift the cost of labor, improves sample quality.
2. The small motor controls the start and stop of the four-blade propeller, so that the submerged gravity of the body and the upward thrust of the four-blade propeller are mutually offset, the stability and balance of the body during sampling are ensured, and the purpose of in-situ sampling is achieved.
3. The sampler body is made of metal, has a safe structure and a small integral volume, is convenient to carry in field experiments, is cylindrical, is convenient for submerging the sampler, and can reduce the resistance of the sampler in water. The sampling chamber is made of metal materials, can be pushed and pulled out, is convenient to operate, can be repeatedly used for many times, improves the experimental efficiency, and simultaneously reduces the difficulty encountered in the operation process of personnel; the sensing wire is wrapped by a waterproof material, so that the phenomena of electric leakage and the like during underwater operation are prevented; and a liquid detector is arranged at the upper end of the sampling chamber, so that the control door can be conveniently closed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a plan view of a semi-automatic deep water multi-layer sampler according to the present invention;
reference numerals: 1. a body; 2. a first sampling chamber; 3. a second sampling chamber; 4. a third sampling chamber; 5. a fourth sampling chamber; 6. a sense line bus; 7. a first sensing line; 8. a second sensing line; 9. a third sensing line; 10. a fourth sense line; 11. a first liquid detector; 12. a second liquid detector; 13. a third liquid detector; 14. a fourth liquid detector; 15. a first control gate; 16. a second control gate; 17. a third control gate; 18. a fourth control gate; 19. a first sampling chamber control button; 20. a second sampling chamber control button; 21. a third sampling chamber control button; 22. a fourth sample chamber control button; 23. a small motor control button; 24. a controller; 25. a small-sized motor; 26. a four-bladed propeller; 27. and a fifth sense line.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the utility model. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model.
Example 1
A semi-automatic deep water multi-level sampler comprising: the device comprises a body 1, a sampling chamber, a controller 24, a small motor 25 and a four-blade propeller 26;
a plurality of sampling chambers and depth sensors are arranged in the sealed body 1, and the depth sensors are connected with a depth sensor display through a sensing line bus 6;
the lower end of the body 1 is connected with a small-sized motor 25; the small motor 25 is connected with a four-blade propeller 26.
The sensing line bus comprises a first sensing line 7, a second sensing line 8, a third sensing line 9, a fourth sensing line 10, a fifth sensing line 27 and a depth sensor sensing line; the depth sensor is connected with the depth sensor display through a depth sensor sensing line.
The sampling chambers include a first sampling chamber 2, a second sampling chamber 3, a third sampling chamber 4, and a fourth sampling chamber 5.
The upper end of the first sampling chamber 2 is provided with a first liquid detector 11, the upper end of the second sampling chamber 3 is provided with a second liquid detector 12, the upper end of the third sampling chamber 4 is provided with a third liquid detector 13, and the upper end of the fourth sampling chamber 5 is provided with a fourth liquid detector 14.
The openings of the first sampling chamber 2, the second sampling chamber 3, the third sampling chamber 4 and the fourth sampling chamber 5 are all located on the side wall of the body 1, a first control door 15 is arranged on the opening of the first sampling chamber 2, a second control door 16 is arranged on the opening of the second sampling chamber 3, a third control door 17 is arranged on the opening of the third sampling chamber 4, and a fourth control door 18 is arranged on the opening of the fourth sampling chamber 5.
The first sensing line 7, the second sensing line 8, the third sensing line 9 and the fourth sensing line 10 all comprise detection lines;
the first liquid detector 11, the second liquid detector 12, the third liquid detector 13 and the fourth liquid detector 14 are respectively connected with the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit through detection lines in the first sensing line 7, the second sensing line 8, the third sensing line 9 and the fourth sensing line 10; and the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit are used for judging whether each sampling chamber is full of water or not according to signals of the first sensing line 7, the second sensing line 8, the third sensing line 9 and the fourth sensing line 10.
The depth sensor display unit, the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit are all arranged on the controller 24.
The first sensing line 7, the second sensing line 8, the third sensing line 9 and the fourth sensing line 10 all comprise control lines;
the first control gate 15, the second control gate 16, the third control gate 17 and the fourth control gate 18 are respectively connected with the corresponding first sampling chamber control button 19, the second sampling chamber control button 20, the third sampling chamber control button 21 and the fourth sampling chamber control button 22 through control lines of the first sensing line 7, the second sensing line 8, the third sensing line 9 and the fourth sensing line 10.
The small motor 25 is connected to the small motor control button 23 through a fifth sensor line 27.
The body 1 is made of metal materials, so that the structure is safe, the whole volume is small, and the field experiment carrying is convenient; the cylindrical shape is convenient for the submergence of the sampler, and simultaneously, the resistance of the sampler in water can be reduced.
The sampling chambers are made of metal materials, the sampling chambers are identical in shape and volume and are sequentially arranged on the body 1 from top to bottom, and the sampling chambers can be pushed and pulled to take out a sample box, so that sampling is convenient and the sampling chambers can be used for multiple times; the experimental efficiency is improved, and meanwhile, the difficulty encountered in the operation process of personnel is reduced.
The small motor 25 is cylindrical in shape and is primarily used to generate electricity for the four-bladed propeller 26.
The sensing line bus 6 is coated with waterproof material; the phenomena of electric leakage and the like during underwater operation are prevented.
Example 2
A use method of a semi-automatic deep water multi-layer sampler comprises the following steps:
step 1: firstly, the body 1 is put into water, after the depth sensor detects that the depth reaches a first sampling depth, a signal is transmitted to a depth sensor display through a depth sensor sensing line, at the moment, a small motor control button 23 in a controller 24 is pressed, after an instruction for starting a small motor 25 is sent, the signal is transmitted to a fifth sensing line 27, the small motor 25 starts to start after receiving the instruction, and the four-blade propeller 26 is driven to start working, so that the device can sample in situ; meanwhile, a first sampling chamber control button 19 in the controller 24 is pressed, the controller 24 sends out an instruction for opening the first control door 15, a signal is transmitted to the first sensing line 7, and the first control door 15 opens the first control door 15 immediately after receiving the instruction; the first liquid detector display unit receives a signal of the first liquid detector 11 through the first sensing line 7 and is used for judging whether the first sampling chamber 2 is full of water or not, when the first detector 11 contacts liquid, the signal of the full of water is transmitted to the first liquid detector display unit, at the moment, the first sampling chamber control button 19 in the controller 24 is pressed, the first control door 15 is closed, the small motor control button 23 is pressed, the small motor 25 stops working after receiving an instruction, the four-blade propeller 26 also stops rotating, and the first sampling chamber 2 finishes sampling.
Step 2: the body 1 continues to dive, after the depth sensor detects that the depth reaches a second sampling depth, a signal is transmitted to a depth sensor display through a depth sensor sensing line, at the moment, a small motor control button 23 in the controller 24 is pressed, after an instruction for starting the small motor 25 is sent, the signal is transmitted to a fifth sensing line 27, the small motor 25 starts to start after receiving the instruction, and the four-blade propeller 26 is driven to start to work; meanwhile, a second sampling chamber control button 20 in the controller 24 is pressed, the controller 24 sends out an instruction for opening the second control door 16, a signal is transmitted to the second sensing line 8, and the second control door 16 immediately opens the second control door 16 after receiving the instruction; the second liquid detector display unit receives the signal of the second liquid detector 12 through the second sensing line 8, and is used for judging whether the second sampling chamber 3 is full of water or not, when the second detector 12 contacts liquid, the signal of the full of water is transmitted to the second liquid detector display unit, at the moment, the second sampling chamber control button 20 in the controller 24 is pressed, the second control door 16 is closed, the small motor control button 23 is pressed, the small motor 25 stops working after receiving an instruction, the four-blade propeller 26 also stops rotating, and the second sampling chamber 3 finishes sampling.
And step 3: the body 1 continues to dive, after the depth sensor detects that the depth reaches a third sampling depth, a signal is transmitted to a depth sensor display through a depth sensor sensing line, at the moment, a small motor control button 23 in the controller 24 is pressed, after an instruction for starting the small motor 25 is sent, the signal is transmitted to a fifth sensing line 27, the small motor 25 starts to start after receiving the instruction, and the four-blade propeller 26 is driven to start to work; meanwhile, a third sampling chamber control button 21 in the controller 24 is pressed, the controller 24 sends out a command for opening the third control door 17, a signal is transmitted to the third sensing line 9, and the third control door 17 opens the third control door 17 immediately after receiving the command; the third liquid detector display unit receives a signal of the third liquid detector 13 through the third sensing line 9, and is used for judging whether the third sampling chamber 4 is full of water or not, when the third detector 13 contacts the liquid, the signal of the full of water is transmitted to the third liquid detector display unit, at the moment, the third sampling chamber control button 21 in the controller 24 is pressed, the third control door 17 is closed, the small motor control button 23 is pressed, the small motor 25 stops working after receiving an instruction, the four-blade propeller 26 also stops rotating, and the third sampling chamber 4 finishes sampling.
And 4, step 4: the body 1 continues to dive, after the depth sensor detects that the depth reaches a fourth sampling depth, a signal is transmitted to a depth sensor display through a depth sensor sensing line, at the moment, a small motor control button 23 in the controller 24 is pressed, after an instruction for starting the small motor 25 is sent, the signal is transmitted to a fifth sensing line 27, the small motor 25 starts to start after receiving the instruction, and the four-blade propeller 26 is driven to start to work; meanwhile, a fourth sampling chamber control button 22 in the controller 24 is pressed, the controller 24 sends out an instruction for opening the fourth control door 18, a signal is transmitted to the fourth sensing line 10, and the fourth control door 18 immediately opens the fourth control door 18 after receiving the instruction; the fourth liquid detector display unit receives a signal of the fourth liquid detector 14 through the fourth sensing line 10, and is used for judging whether the fourth sampling chamber 5 is full of water or not, when the fourth detector 14 contacts with liquid, the signal of full of water is transmitted to the fourth liquid detector display unit, at this time, the fourth sampling chamber control button 22 in the controller 24 is pressed, the fourth control door 18 is closed, and the fourth sampling chamber 5 finishes sampling.
And 5: after four sampling chambers were sampled and are accomplished, small motor 25 and four leaf screw 26 were in normal work, pulled out the surface of water under water with body 1 when cooperation small motor 25 and four leaf screw 26 work, and whole sampling process was all accomplished this moment.
When the body 1 reaches the sampling water level, the controller 24 sends a signal to control the small motor 25 to start while opening the corresponding control door, and the submerged gravity of the body 1 and the upward thrust of the four-blade propeller 26 are mutually offset, so that the stability and balance of the body 1 are ensured, and the purpose of in-situ sampling is achieved.
After the water sample was adopted to the end, operating personnel can get back the body with the usable sensing line bus of operating personnel, and the sensing line bus both can the transmission signal, can work as the rope of getting back body 1 again.
After each sampling chamber is full of samples, the water surface touches the sensing device of each liquid detector, and each liquid detector can send out signals of full water and transmit the signals to each liquid detector display unit, so that the visualization of sampling is realized.
Each control door is of a left-right sliding structure.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or are equivalent to the scope of the utility model are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (5)
1. A semi-automatic deepwater multi-layer sampler is characterized by comprising: the device comprises a body (1), a sampling chamber, a controller (24), a small motor (25) and a four-blade propeller (26);
a plurality of sampling chambers and depth sensors are arranged in the sealed body (1), and the depth sensors are connected with a depth sensor display through a sensing line bus (6);
the lower end of the body (1) is connected with a small-sized motor (25); the small motor (25) is connected with the four-blade propeller (26);
the sensing line bus comprises a first sensing line (7), a second sensing line (8), a third sensing line (9), a fourth sensing line (10), a fifth sensing line (27) and a depth sensor sensing line; the depth sensor is connected with the depth sensor display through a depth sensor sensing line;
the sampling chambers comprise a first sampling chamber (2), a second sampling chamber (3), a third sampling chamber (4) and a fourth sampling chamber (5);
openings of the first sampling chamber (2), the second sampling chamber (3), the third sampling chamber (4) and the fourth sampling chamber (5) are all located on the side wall of the body (1), a first control door (15) is arranged on the opening of the first sampling chamber (2), a second control door (16) is arranged on the opening of the second sampling chamber (3), a third control door (17) is arranged on the opening of the third sampling chamber (4), and a fourth control door (18) is arranged on the opening of the fourth sampling chamber (5);
the first sensing line (7), the second sensing line (8), the third sensing line (9) and the fourth sensing line (10) comprise detection lines;
the liquid level sensor comprises a first liquid detector (11), a second liquid detector (12), a third liquid detector (13) and a fourth liquid detector (14), wherein the first liquid detector, the second liquid detector and the third liquid detector are respectively connected with a first liquid detector display unit, a second liquid detector display unit, a third liquid detector display unit and a fourth liquid detector display unit through detection lines in a first sensing line (7), a second sensing line (8), a third sensing line (9) and a fourth sensing line (10); the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit are used for judging whether each sampling chamber is filled with water or not according to signals of a first sensing line (7), a second sensing line (8), a third sensing line (9) and a fourth sensing line (10);
the first sensing line (7), the second sensing line (8), the third sensing line (9) and the fourth sensing line (10) comprise control lines;
a first control door (15), a second control door (16), a third control door (17) and a fourth control door (18) are respectively connected with a corresponding first sampling chamber control button (19), a corresponding second sampling chamber control button (20), a corresponding third sampling chamber control button (21) and a corresponding fourth sampling chamber control button (22) through control lines in a first sensing line (7), a second sensing line (8), a corresponding third sensing line (9) and a corresponding fourth sensing line (10);
the depth sensor display, the first liquid detector display unit, the second liquid detector display unit, the third liquid detector display unit and the fourth liquid detector display unit are all arranged on the controller (24).
2. The semi-automatic deep water multilayer sampler according to claim 1, wherein a first liquid detector (11) is arranged at the upper end of the first sampling chamber (2), a second liquid detector (12) is arranged at the upper end of the second sampling chamber (3), a third liquid detector (13) is arranged at the upper end of the third sampling chamber (4), and a fourth liquid detector (14) is arranged at the upper end of the fourth sampling chamber (5).
3. A semi-automatic deep water multi-layer sampler according to claim 1 wherein the small motor (25) is connected to the small motor control button (23) by a fifth sensing line (27).
4. Semi-automatic deep water multi-layer sampler according to claim 1 characterised in that the body (1) is cylindrical and made of metal material.
5. The semi-automatic deep water multilayer sampler according to claim 1, wherein the first sampling chamber (2), the second sampling chamber (3), the third sampling chamber (4) and the fourth sampling chamber (5) are identical in shape and volume and are arranged on the body (1) from top to bottom in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107140.3U CN216645987U (en) | 2021-12-10 | 2021-12-10 | Semi-automatic deep water multilayer sample thief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107140.3U CN216645987U (en) | 2021-12-10 | 2021-12-10 | Semi-automatic deep water multilayer sample thief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645987U true CN216645987U (en) | 2022-05-31 |
Family
ID=81739677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123107140.3U Active CN216645987U (en) | 2021-12-10 | 2021-12-10 | Semi-automatic deep water multilayer sample thief |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645987U (en) |
-
2021
- 2021-12-10 CN CN202123107140.3U patent/CN216645987U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110954359B (en) | Automatic water sample collection device capable of freely controlling water depth | |
| CN109991038B (en) | Automatic sampling device of submarine sediment | |
| CN114137175B (en) | Movable river water quality monitoring device | |
| CN103728159A (en) | Automatic timing in-situ sampling device for underground/surface water | |
| CN210154619U (en) | Information acquisition device based on internet | |
| CN214952428U (en) | Water sampling device for environmental detection | |
| CN212539738U (en) | Groundwater level layering water intaking device | |
| CN212275333U (en) | Water quality monitoring sampling device | |
| CN215985375U (en) | Simple and convenient device of water resource water intaking of hydraulic engineering | |
| CN108444750A (en) | Sampling equipment is detected to the automation water conservancy lake of water sample, soil sample and water plant sampling | |
| CN216645987U (en) | Semi-automatic deep water multilayer sample thief | |
| CN115078679B (en) | Groundwater environment detection device and system | |
| CN203758790U (en) | In-situ timed automatic underground/surface water sampling device | |
| CN214749077U (en) | Intelligent sampling equipment for water conservancy detection | |
| CN109596394A (en) | A kind of environmental project detection water source sampler with storage function | |
| CN213275015U (en) | Hydrogeology reconnaissance water source sampling test device | |
| CN212082915U (en) | Sewage sampling device | |
| CN214121684U (en) | Be applied to hydrology water resource sampling device | |
| CN211235065U (en) | Water sampler suitable for monitoring deep water reservoir | |
| CN211504817U (en) | Sampling device for marine environment detection investigation | |
| CN111983165A (en) | Underground water quality data acquisition device and method | |
| CN212964162U (en) | Groundwater is sampler for water quality testing | |
| CN210037278U (en) | A intelligent sample thief for water quality monitoring | |
| CN206960153U (en) | Level measuring fixed depth sampling device | |
| CN218212168U (en) | Water quality testing appearance of taking a sample with adjustable degree of depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |