CN219245115U - Deep water sampling device for water quality monitoring - Google Patents
Deep water sampling device for water quality monitoring Download PDFInfo
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- CN219245115U CN219245115U CN202222572625.8U CN202222572625U CN219245115U CN 219245115 U CN219245115 U CN 219245115U CN 202222572625 U CN202222572625 U CN 202222572625U CN 219245115 U CN219245115 U CN 219245115U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000005070 sampling Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 22
- 238000013461 design Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model relates to the technical field of water quality monitoring, in particular to a deep water sampling device for water quality monitoring, which comprises a driving device, wherein the lower end of the driving device is uniformly and fixedly connected with a collecting box, the position, close to the upper end, of the right side of the collecting box is fixedly connected with a water inlet pipe, the inside of the collecting box is provided with a layering water taking mechanism, the positions, close to the upper end and the lower end, of the left side inner wall of the collecting box are fixedly connected with first springs, the right side of each first spring is fixedly connected with a moving plate, the center of the left side of each moving plate is rotationally connected with a first threaded rod, the center of the left side inner wall of the collecting box is fixedly connected with a first sleeve, the positions, close to the right side, of the inner wall of each first sleeve are rotationally connected with a one-way bearing, and the pressures of different deep water are different, so that water of different depths can be collected, meanwhile, the mutual interference sampling of different deep layers can not be caused, and the usability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of water quality monitoring, in particular to a deep water sampling device for water quality monitoring.
Background
With the rapid development of industrial and agricultural technologies, the random discharge of industrial sewage and the random application of pesticides and fertilizers cause increasingly serious pollution to rivers and lakes, and the monitoring of the water quality of the rivers and the lakes has important basic significance for sewage treatment and technology development.
When water is taken, water is generally taken from different deep layers, multiple sampling works are needed, and meanwhile, the electromagnetic valve is used for sampling, so that the device is connected with some wireless control equipment, and the manufacturing cost is increased.
Therefore, a water quality monitoring deep water sampling device is provided.
Disclosure of Invention
To the not enough of prior art, the utility model provides a deep water sampling device of water quality monitoring has solved and generally needs to carry out different deep water intakes in the time of getting water, then needs the work of taking a sample many times, and is current simultaneously to take a sample through the solenoid valve, and the device needs to connect some wireless control equipment like this, has improved manufacturing cost's technical problem.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water quality monitoring deep water sampling device, includes drive arrangement, drive arrangement's lower extreme evenly fixedly connected with collects the box, collect the box right side and be close to the position of upper end fixedly connected with inlet tube;
a layer water taking mechanism is arranged in the collecting box;
the layer-fixed water taking mechanism can automatically take water at positions of different deep layers.
Through adopting above-mentioned technical scheme, put the device in water, drive arrangement drives the box and removes to underwater this moment, can carry out the water intaking at different water layers through layer water intaking mechanism, improves the practicality of the device.
Preferably, the position that the left side inner wall of collecting box is close to upper and lower both ends is all fixedly connected with first spring, the right side fixedly connected with movable plate of first spring, the left side center department of movable plate rotates and is connected with first threaded rod, the left side inner wall center department fixedly connected with first sleeve of collecting box, the position that the inner wall of first sleeve is close to the right side rotates and is connected with one-way bearing, the inner wall of one-way bearing and the outer wall helical gearing of first threaded rod, the right side fixedly connected with diaphragm of movable plate, the through-hole has been seted up to the inside position that is close to the right side of diaphragm, the cavity has been seted up on the inside right side of collecting box, the lower extreme fixedly connected with second spring of cavity, the upper end fixedly connected with closing plate of second spring, closing plate and cavity sliding connection, the pipe wall fixedly connected with pressure valve of inlet tube.
By adopting the technical scheme, when the water moves downwards to a certain position, the uppermost pressure valve is opened, water flows into the collecting box at the uppermost position, at the moment, the water pressure pushes the moving plate to move leftwards, the first spring contracts, the moving plate drives the first threaded rod to move rightwards, the one-way bearing is in a movable rotating state, the inner ring of the one-way bearing rotates, the inner wall of the one-way bearing is provided with a thread groove matched with the first threaded rod, when the moving plate moves leftwards to a certain position, the through hole is aligned with the cavity, at the moment, the second spring pushes the sealing plate to move upwards to seal the water inlet pipe, the device continues to move downwards, the water pressure is continuously increased, at the moment, the second pressure valve is opened to take water, and the first water inlet pipe is sealed and no water is fed; it is explained here that if a one-way valve is used, the water of different deep layers is mixed with the continuous increase of the water pressure, so that the data is inaccurate.
Preferably, the right side fixedly connected with filter screen of inlet tube, the right side of filter screen rotates and is connected with the second sleeve, the upper and lower both ends that the telescopic pole wall of second is close to left side position are all fixedly connected with clearance board, telescopic inside screw drive of second has the second threaded rod, the right side fixedly connected with connecting rod of diaphragm, the left side of connecting rod and the right side fixedly connected with of second threaded rod.
Through adopting above-mentioned technical scheme, when carrying out the water intaking, when detecting water quality, avoid debris to get into the inside design filter screen of collecting the box, the diaphragm is left the recovery of side removal, drives the connecting rod and moves left, drives the second threaded rod and moves left when the connecting rod moves left, makes the second sleeve rotate when the second threaded rod moves left, and the second sleeve rotates and drives the clearance board and rotate, can clean the filter screen through rotating the clearance board when collecting water like this.
Preferably, the movable plate is in sliding sealing connection with the inner wall of the collecting box.
By adopting the technical scheme, the tightness of the movable plate and the collecting box is ensured.
Preferably, the elastic force of the second spring is greater than the water pressure of the deepest layer.
By adopting the technical scheme, the sealing plate can be pushed.
Preferably, the elastic force of the plurality of groups of first springs is in an increasing state.
By adopting the technical scheme, water is taken in order to meet the pressure of different water layers.
Preferably, the actuation pressure of a plurality of said pressure valves is of increasing design.
By adopting the technical scheme, the water layer of water intaking at every turn is ensured to be different.
Preferably, the length of the sealing plate is greater than the diameter of the water inlet pipe.
By adopting the technical scheme, the sealing plate can completely seal the water inlet pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the pressure of the water with different depths is different, so that the water with different depths is collected, meanwhile, the mutual interference sampling of the different depths is avoided, and the usability of the device is improved.
2. Through rotating the clearance board and cleaning the filter screen, avoid debris to influence the speed of water intaking, further improved the practicality of device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is an enlarged view of the utility model at B in FIG. 3;
fig. 5 is an enlarged view of the structure of fig. 2 at C in accordance with the present utility model.
Reference numerals illustrate:
1. a collection box; 2. a driving device; 3. a layer-fixed water taking mechanism; 4. a water inlet pipe; 5. a connecting rod; 6. a second threaded rod; 7. a filter screen; 8. a second sleeve; 9. a cleaning plate;
301. a first spring; 302. a first sleeve; 303. a first threaded rod; 304. a moving plate; 305. a through hole; 306. a one-way bearing; 307. a cavity; 308. a sealing plate; 309. a second spring; 310. a pressure valve; 311. and a transverse plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For the purpose of making the objects, technical means and advantages of the present embodiments more clear, the technical solutions in the present embodiments are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments herein, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present utility model.
The embodiment of the utility model provides a through providing a deep water sampling device of water quality monitoring, it generally needs to carry out different deep water intakes when getting water, then needs multiple sampling work, and is current simultaneously to take a sample through the solenoid valve, and the device needs to connect some wireless control equipment like this, has improved manufacturing cost's technical problem;
the technical scheme in this practical embodiment is for solving above-mentioned technical problem, and the overall thinking is as follows: sampling water by pressure differences of different water layers, and meanwhile, the water samples of the different water layers cannot interfere with each other;
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the present utility model provides a technical solution for a deep water sampling device for water quality monitoring:
the utility model provides a water quality monitoring deep water sampling device, includes drive arrangement 2, the even fixedly connected with of lower extreme of drive arrangement 2 collects box 1, the position that is close to the upper end on collection box 1 right side is fixedly connected with inlet tube 4;
a layer water taking mechanism 3 is arranged in the collecting box 1;
the layer water taking mechanism 3 can automatically take water at positions of different deep layers.
Through adopting above-mentioned technical scheme, put the device in water, the density of deep seawater is great, and the device is difficult for descending, and drive arrangement 2 drives collection box 1 and removes to underwater this moment, can carry out the water intaking at different water layers through layer water intaking mechanism 3, improves the practicality of the device.
Specifically, the position that the left side inner wall of collecting box 1 is close to upper and lower both ends all fixedly connected with first spring 301, the right side fixedly connected with movable plate 304 of first spring 301, the left side center department of movable plate 304 rotates and is connected with first threaded rod 303, the left side inner wall center department fixedly connected with first sleeve 302 of collecting box 1, the position that the inner wall of first sleeve 302 is close to the right side rotates and is connected with one-way bearing 306, the inner wall of one-way bearing 306 and the outer wall helical gearing of first threaded rod 303, the right side fixedly connected with diaphragm 311 of movable plate 304, through-hole 305 has been seted up to the inside position that is close to the right side of diaphragm 311, cavity 307 has been seted up on the inside right side of collecting box 1, the lower extreme fixedly connected with second spring 309 of cavity 307, the upper end fixedly connected with closing plate 308 of second spring 309, closing plate 308 and cavity 307 sliding connection, the pipe wall fixedly connected with pressure valve 310 of inlet tube 4.
By adopting the technical scheme, when the water moves downwards to a certain position, the uppermost pressure valve 310 is opened, water flows into the collecting box 1 at the uppermost position, at the moment, the water pressure pushes the moving plate 304 to move leftwards, at the moment, the first spring 301 contracts, the moving plate 304 drives the first threaded rod 303 to move rightwards, at the moment, the one-way bearing 306 is in a movable rotating state, the inner ring of the one-way bearing 306 rotates, and the inner wall of the one-way bearing 306 is provided with a thread groove matched with the first threaded rod 303, at the moment, when the moving plate 304 moves leftwards to a certain position, the through hole 305 is aligned with the cavity 307, at the moment, the second spring 309 pushes the sealing plate 308 to move upwards, the water inlet pipe 4 is blocked, the device continues to move downwards, the water pressure is continuously increased, at the moment, the second pressure valve 310 is opened, water is taken, and the first water inlet pipe 4 is blocked, and no more water is taken in; it is described that if the one-way valve is adopted, water in different deep layers is mixed with the continuous increase of the water pressure, so that data are inaccurate; therefore, the water with different depths can be collected by different pressures of the deep water, and meanwhile, the mutual interference sampling of the deep water is avoided, so that the usability of the device is improved.
Specifically, the right side fixedly connected with filter screen 7 of inlet tube 4, the right side of filter screen 7 rotates and is connected with second sleeve 8, the pole wall of second sleeve 8 is close to the upper and lower both ends of left side position and all fixedly connected with clearance board 9, the inside screw drive of second sleeve 8 has second threaded rod 6, the right side fixedly connected with connecting rod 5 of diaphragm 311, the left side of connecting rod 5 and the right side fixedly connected with of second threaded rod 6.
Through adopting above-mentioned technical scheme, when carrying out the water intaking, when detecting water quality, avoid debris to get into the inside design filter screen 7 of collecting box 1, the recovery that diaphragm 311 moved left, drive connecting rod 5 left side and remove, drive second threaded rod 6 left side and remove when connecting rod 5 left side, make second sleeve 8 rotate when second threaded rod 6 left side removes, second sleeve 8 rotates and drives clearance board 9 and rotate, can be like this when adopting water collection, clean filter screen 7 through rotating clearance board 9, avoid debris to influence the speed of water intaking, the practicality of the device has further been improved.
Specifically, the moving plate 304 is in sliding sealing connection with the inner wall of the collecting box 1.
By adopting the above technical scheme, the tightness of the moving plate 304 and the collecting box 1 is ensured.
Specifically, the second spring 309 has an elastic force greater than the water pressure of the deepest layer.
By adopting the above technical scheme, it is ensured that the sealing plate 308 can be pushed.
Specifically, the elastic forces of the plurality of sets of first springs 301 are in an increasing state.
By adopting the technical scheme, water is taken in order to meet the pressure of different water layers.
Specifically, the actuation pressures of the plurality of pressure valves 310 are of increasing design.
By adopting the technical scheme, the water layer of water intaking at every turn is ensured to be different.
Specifically, the length of the sealing plate 308 is greater than the diameter of the water inlet pipe 4.
By adopting the above technical solution, the sealing plate 308 can completely seal the water inlet pipe 4.
Working principle: when the device is placed in water, the density of deep seawater is high, the device is not easy to descend, at the moment, the driving device 2 drives the collecting box 1 to move underwater, water can be taken from different water layers through the layered water taking mechanism 3, after the water is removed, the device floats upwards through the driving mechanism 2, the practicability is improved, when the water moves downwards to a certain position, the uppermost pressure valve 310 is opened, the water flows into the collecting box 1 at the uppermost position, at the moment, the water pressure pushes the moving plate 304 to move leftwards, at the moment, the first spring 301 contracts, the moving plate 304 drives the first threaded rod 303 to move rightwards, at the moment, the one-way bearing 306 is in a movable rotating state, the inner ring of the one-way bearing 306 rotates, at the moment, the inner wall of the one-way bearing 306 is provided with a thread groove matched with the first threaded rod 303, at the moment, when the moving plate 304 moves leftwards to a certain position, the through hole 305 is aligned with the cavity 307, at the moment, the second spring 309 pushes the sealing plate 308 to move upwards, at the moment, the water inlet pipe 4 is continuously moved downwards, the water pressure is continuously increased, the second pressure valve 310 is opened, the water inlet pipe 4 is carried out, at the moment, the water inlet pipe 4 is blocked, at the moment, the water inlet pipe is not blocked again, the water is blocked; it is described that if the one-way valve is adopted, water in different deep layers is mixed with the continuous increase of the water pressure, so that data are inaccurate; like this can be through the pressure difference of different deep water to collect the water of different degree of depth, can not make the mutual interference sample of different deep simultaneously, improved the usability of the device, when carrying out the water intaking, when detecting quality of water, avoid debris to get into the inside design filter screen 7 of collecting box 1, riser 312 is the recovery of side removal left, drive connecting rod 5 and remove left, drive second threaded rod 6 and remove left when connecting rod 5 removes left, make second sleeve 8 rotate when second threaded rod 6 removes left, second sleeve 8 rotates and drives clearance board 9 and rotate, can be like this when collecting water, clean filter screen 7 through rotating clearance board 9, avoid debris to influence the speed of intaking, the practicality of the device has further been improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The utility model provides a water quality monitoring deep water sampling device, includes drive arrangement (2), the even fixedly connected with of lower extreme of drive arrangement (2) collects box (1), the position that is close to the upper end on collection box (1) right side fixedly connected with inlet tube (4);
the method is characterized in that: a layer water taking mechanism (3) is arranged in the collecting box (1);
the layer water taking mechanism (3) can automatically take water at positions of different deep layers.
2. The water quality monitoring deep water sampling device according to claim 1, wherein: the utility model discloses a water inlet pipe, including box (1) and sealing plate (308), box (307) and sealing plate (308), box (308) and sealing plate (310) are connected with pressure valve, sealing plate (308) and sealing plate (310) are connected with each other in the upper and lower both ends, the left side inner wall of box (1) is close to the equal fixedly connected with first spring (301) in position of upper and lower both ends, the right side fixedly connected with movable plate (304) of first spring (301), the left side center department of movable plate (304) rotates and is connected with first threaded rod (303), box (1) is connected with first sleeve (302), box (1) is connected with first sleeve (306), box (306) is connected with sealing plate (308), sealing plate (308) and sealing plate (308) are connected with pressure valve (310) in a sliding manner.
3. The water quality monitoring deep water sampling device according to claim 2, wherein: the utility model discloses a water inlet pipe, including left side, right side fixedly connected with filter screen (7) of inlet tube (4), the right side of filter screen (7) rotates and is connected with second sleeve (8), the pole wall of second sleeve (8) is close to the upper and lower both ends of left side position and all fixedly connected with clearance board (9), the inside screw drive of second sleeve (8) has second threaded rod (6), the right side fixedly connected with connecting rod (5) of diaphragm (311), the left side of connecting rod (5) and the right side fixedly connected with of second threaded rod (6).
4. The water quality monitoring deep water sampling device according to claim 2, wherein: the moving plate (304) is in sliding sealing connection with the inner wall of the collecting box (1).
5. The water quality monitoring deep water sampling device according to claim 2, wherein: the second spring (309) has a spring force greater than the water pressure of the deepest layer.
6. The water quality monitoring deep water sampling device according to claim 2, wherein: the elastic force of the plurality of groups of the first springs (301) is in an increasing state.
7. The water quality monitoring deep water sampling device according to claim 2, wherein: the actuation pressure of a plurality of said pressure valves (310) is of increasing design.
8. The water quality monitoring deep water sampling device according to claim 2, wherein: the length of the sealing plate (308) is larger than the diameter of the water inlet pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222572625.8U CN219245115U (en) | 2022-09-27 | 2022-09-27 | Deep water sampling device for water quality monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222572625.8U CN219245115U (en) | 2022-09-27 | 2022-09-27 | Deep water sampling device for water quality monitoring |
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| Publication Number | Publication Date |
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| CN219245115U true CN219245115U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222572625.8U Active CN219245115U (en) | 2022-09-27 | 2022-09-27 | Deep water sampling device for water quality monitoring |
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- 2022-09-27 CN CN202222572625.8U patent/CN219245115U/en active Active
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Assignee: Yancheng Yufeng New Energy Technology Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980008043 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240625 Assignee: Yancheng chuangnengxin shielding material Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007823 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240624 Assignee: Yancheng sugaoqirui Technology Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007813 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240624 Assignee: YANCHENG QUANHANG TECHNOLOGY Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007802 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240625 Assignee: YANCHENG GUOHE HANNENG TECHNOLOGY Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007799 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240624 Assignee: Jiangsu yepai Biotechnology Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007794 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240624 Assignee: YANCHENG GUORUIXIN TECHNOLOGY Co.,Ltd. Assignor: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Contract record no.: X2024980007792 Denomination of utility model: A deep water sampling device for water quality monitoring Granted publication date: 20230623 License type: Common License Record date: 20240624 |