CN117517606A - Portable real-time water quality monitoring system - Google Patents
Portable real-time water quality monitoring system Download PDFInfo
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- CN117517606A CN117517606A CN202311450331.0A CN202311450331A CN117517606A CN 117517606 A CN117517606 A CN 117517606A CN 202311450331 A CN202311450331 A CN 202311450331A CN 117517606 A CN117517606 A CN 117517606A
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- pipe
- water quality
- monitoring system
- groove
- quality monitoring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of water quality detection, in particular to a portable real-time water quality monitoring system, wherein the upper end of a monitor is provided with a display screen, the lower end of the monitor is provided with a inserted link vertically inserted in a sleeve, the inserted link is electrically connected with a connecting column through a folding cable, the lower end of the monitor is provided with a connecting frame, and the lower end of the connecting frame is elastically connected with an end plate, so that the portable real-time water quality monitoring system has the beneficial effects that: through setting up portable monitoring devices, the cooperation is convenient for the pipeline device of installation to realize carrying out the adaptation to the detection device of different positions, and then when satisfying the observation in the field, reach the adaptation of a monitoring device to different detection device, set up sampling device simultaneously, realize real-time sample, thereby reach timely sample detection in scene and monitor, improved the precision of monitoring greatly.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a portable real-time water quality monitoring system.
Background
In order to improve the quality of water in the reservoir, the water quality needs to be detected in real time, so that the water is convenient to treat and adjust in time, and deterioration is prevented.
The water storage area in the reservoir is extremely large, and in order to improve the detection precision during each detection, a large amount of samples are required, and in order to realize real-time monitoring, in the prior art, detection devices are usually arranged at a plurality of positions, and a monitoring device is configured for each detection device.
The monitoring device is configured at different positions, so that the cost is high and the device is easy to damage, and the water quality is monitored, and the detection positions are required to be matched for naked eye observation, so that the configuration cost is increased.
Disclosure of Invention
The invention aims to provide a portable real-time water quality monitoring system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a portable real-time water quality monitoring system, the water quality monitoring system comprising:
the embedded pipe is vertically embedded in water, a connecting pipe is arranged at the upper end of the embedded pipe, a detector is elastically installed in the connecting pipe in a vertical sliding mode, a probe is arranged at the lower end of the detector, and a sampling assembly matched with the probe for detection is arranged in the embedded pipe;
the monitoring assembly comprises a mounting tube, a monitor, a display screen, a connecting frame, a connecting column and a grab handle, a pair of vertically extending slots are formed in the side wall of the mounting tube, a quarter arc-shaped rotating groove is connected to the port at the lower end of each slot, a clamping groove is formed in the end portion of the other end of each rotating groove in a vertically upward extending mode, an end plate is arranged at the upper end of each connecting column, the middle section of each connecting column is vertically inserted into the mounting tube, a connecting terminal electrically connected with the corresponding detector is arranged at the lower end of each connecting column, side blocks which are slidably inserted into the corresponding slots are arranged on the outer wall of each connecting column, the side blocks rotate to the corresponding clamping grooves along the rotating grooves, the end plates are rotationally pressed on the upper end face of the mounting tube, a sleeve is arranged in the middle of each end plate, the upper end of each monitor is provided with the corresponding display screen, a plug rod vertically inserted into the sleeve is arranged at the lower end of each monitor, the lower end of each monitor is electrically connected with the corresponding connecting frame through a folding cable, and the connecting column is elastically connected between the lower end of each connecting frame and the end plate.
Preferably, the lower end of the embedded pipe is provided with an insertion cone, the upper end port of the embedded pipe is fixedly connected with the connecting pipe through a flange plate, and the upper end port of the embedded pipe is transversely provided with a through long groove.
Preferably, the sampling assembly comprises a three-way pipe consisting of a sampling pipe, a driving pipe and a communicating pipe, the sampling pipe is fixed in the embedded pipe, an overflow frame opposite to the probe is arranged on the sampling pipe, the communicating pipe is positioned under water, the outer end of the communicating pipe is connected with a one-way valve, and a driving device for adjusting the internal pressure of the sampling assembly is arranged in the driving pipe.
Preferably, the driving device comprises a pressing rod and a piston, the piston is slidably mounted in the driving tube, the upper end port of the driving tube is located at the upper end of the sampling tube, the pressing rod is vertically connected to the upper end of the piston, the upper end port of the driving tube is provided with a limiting cover, the pressing rod penetrates through the limiting cover in a sliding mode, and the piston is located at the lower end of the limiting cover.
Preferably, the overflow frame is arranged to be of a cone groove structure recessed downwards, the lower end of the cone groove of the overflow frame is communicated with the sampling pipe, the outer wall of the overflow frame is provided with side grooves distributed in a circumferential array, the lower end of the overflow frame is provided with a fixing block fixedly sleeved on the sampling pipe, and the fixing block is fixed on the inner wall of the embedded pipe in a sealing mode.
Preferably, the outer wall of the upper end of the installation tube is provided with a boss, the lower end face of the boss is provided with a locking groove which is concavely extended upwards, the lower end of the connecting frame is provided with a hinged support, a rotating plate is rotatably installed on the hinged support, and an inserting block which is matched and inserted with the locking groove is arranged on the rotating plate.
Preferably, an inner groove which is concave inwards is arranged in the middle of the monitor, a grab handle is arranged in the inner groove and positioned at the lower end of the display screen, and the lower end of the grab handle is aligned with the connecting column.
Preferably, the lower extreme inner wall of connecting pipe and installation pipe all is provided with spacing ear seat that uses, the lower extreme of detector is provided with first spring, and first spring pressfitting is between detector and connecting pipe inner wall ear seat, and the last crown of grabbing of detector is provided with the electrode slice of laminating with connecting terminal.
Preferably, the inner wall of the sleeve is provided with limit grooves distributed in a circumferential array, and the outer wall of the lower end of the monitor is provided with side bars which are matched with the limit grooves to vertically slide and plug.
Preferably, the upper end face of the end plate is provided with four groups of connecting upright posts distributed in a circumferential array, the lower end of the connecting frame is sleeved on the four groups of connecting upright posts distributed in the circumferential array, the connecting upright posts are sleeved with second springs, and two ends of each second spring are propped between the end plate and the lower end face of the connecting frame.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the portable monitoring device is arranged and matched with the pipeline device convenient to install, so that the detection devices at different positions are adapted, the adaptation of one monitoring device to different detection devices is achieved while the field observation is satisfied, and meanwhile, the sampling device is arranged, so that the real-time sampling is realized, the on-site timely sampling detection and monitoring are realized, and the monitoring precision is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a monitoring structure according to the present invention;
FIG. 2 is a schematic diagram of a monitor according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A;
FIG. 4 is a schematic perspective view of a monitor according to the present invention;
FIG. 5 is a schematic perspective view of a sampling assembly according to the present invention;
FIG. 6 is a schematic perspective view of a connecting column according to the present invention;
fig. 7 is a schematic perspective view of the mounting tube of the present invention.
In the figure: 1. pre-burying a pipe; 2. a connecting pipe; 3. installing a pipe; 4. a sampling tube; 5. inserting a cone; 6. a communicating pipe; 7. a driving tube; 8. a one-way valve; 9. an overflow frame; 10. a detector; 11. a connecting column; 12. a monitor; 13. a display screen; 14. a grab handle; 15. a connecting frame; 17. a connection terminal; 18. a piston; 19. pressing down a rod; 20. a first spring; 21. a probe; 22. a side block; 23. folding the cable; 24. a sleeve; 25. a second spring; 26. connecting the upright posts; 27. an end plate; 28. a hinged support; 29. a locking groove; 30. a rotating plate; 31. a limit cover; 32. a side groove; 33. a fixed block; 34. a slot; 35. a rotary groove; 36. a clamping groove.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution:
example 1:
a portable real-time water quality monitoring system comprises an embedded pipe 1 and a monitoring component.
The embedded pipe 1 is vertically embedded in water, a connecting pipe 2 is arranged at the upper end of the embedded pipe 1, a detector 10 is elastically installed in the connecting pipe 2 in a vertical sliding mode, a probe 21 is arranged at the lower end of the detector 10, and a sampling assembly matched with the probe 21 for detection is arranged in the embedded pipe 1.
By providing the detector 10 and the probe 21, detection of water quality is achieved.
The monitoring assembly comprises a mounting tube 3, a monitor 12, a display screen 13, a connecting frame 15, a connecting column 11 and a grab handle 14, a pair of vertically extending slots 34 are formed in the side wall of the mounting tube 3, a quarter-arc-shaped rotating groove 35 is connected to the port of the lower end of each slot 34, a clamping groove 36 is vertically upwards formed in the end portion of the other end of each rotating groove 35, an end plate 27 is arranged at the upper end of each connecting column 11, the middle section of each connecting column 11 is vertically inserted into the mounting tube 3, a connecting terminal 17 electrically connected with the detector 10 is arranged at the lower end of each connecting column 11, a side block 22 matched with the corresponding slot 34 in a sliding mode is arranged on the outer wall of each connecting column 11, and the side blocks 22 rotate into the clamping grooves 36 along the corresponding rotating grooves 35.
Through setting up slot 34, change groove 35 and draw-in groove 36's cooperation to make the vertical spacing grafting installation of slot 34 of side piece 22 on the spliced pole 11, peg graft to the back and rotate along change groove 35 dislocation, reach the purpose of fixed connection pole 11, inject circumference turned angle through setting up draw-in groove 36, realize the convenient fixed mounting to monitor 12, the dismantlement of being convenient for simultaneously resets, during the dismantlement, only need hold grab handle 14 push down reset rotate can.
The end plate 27 rotates the pressfitting and is being provided with sleeve pipe 24 in the up end of installing pipe 3 in the centre of end plate 27, and the upper end of monitor 12 is provided with display screen 13, and the lower extreme of monitor 12 is provided with the inserted bar of vertical grafting in sleeve pipe 24, and the inserted bar passes through folding cable 23 electric connection spliced pole 11, and the lower extreme of monitor 12 is provided with link 15, elastic connection between the lower extreme of link 15 and the end plate 27.
The monitor 12 and the detector 10 are electrically connected through the folding cable 23, detected data are transmitted to the display screen 13 for display, the purpose of real-time detection is achieved, and meanwhile the detector 10 in the embedded pipe 1 at different positions is adapted through the disassembly of the monitor, so that the number of the monitors 12 is reduced, and the cost is reduced.
Example 2:
on the basis of embodiment 1, the lower extreme of pre-buried pipe 1 is provided with inserts awl 5, and the upper end port of pre-buried pipe 1 passes through ring flange and connecting pipe 2 fixed connection, and the upper end port of pre-buried pipe 1 transversely is provided with runs through the elongated slot, and connecting pipe 2 and the lower extreme inner wall of installation pipe 3 all are provided with spacing ear seat that uses, and the lower extreme of detector 10 is provided with first spring 20, and first spring 20 pressfitting is between detector 10 and connecting pipe 2 inner wall ear seat, and the upper abstract of detector 10 is provided with the electrode slice that laminates with connecting terminal 17.
By providing the first spring 20, elastic mounting of the detector 10 is achieved, and further the position of the connection terminal 17 is kept elastically attached, providing stable circuit connection.
Example 3:
on the basis of embodiment 2, the middle of monitor 12 is provided with the inside groove of inwards sunk, be provided with grab handle 14 in the inside groove, grab handle 14 is located the lower extreme of display screen 13, the lower extreme of grab handle 14 is just to spliced pole 11, the inner wall of sleeve pipe 24 is provided with the spacing groove of circumference array distribution, the lower extreme outer wall of monitor 12 is provided with the side bar of the vertical slip grafting of spacing groove cooperation, the up end of end plate 27 is provided with four sets of spliced pole 26 of circumference array distribution, the lower extreme of link 15 cup joints on four sets of spliced pole 26 of circumference array distribution, second spring 25 has been cup jointed on the spliced pole 26, the both ends of second spring 25 support between the lower terminal surface of end plate 27 and link 15.
The monitor 12 and the connecting column 11 are vertically connected in a telescopic manner through the sleeve 24, and the upward driving supporting force to the monitor 12 is kept through the second spring 25, so that when the side block 22 is clamped in the clamping groove 36, the grab handle 14 is used for pressing down, and the second spring 25 is compressed.
The outer wall of the upper end of the installation tube 3 is provided with a boss, the lower end face of the boss is provided with a locking groove 29 which extends in an upward concave manner, the lower end of the connecting frame 15 is provided with a hinged support 28, a rotating plate 30 is rotatably installed on the hinged support 28, and an inserting block which is matched and inserted with the locking groove 29 is arranged on the rotating plate 30.
When the rotating plate 30 is compressed to the lower end of the boss, the rotating plate 30 is enabled to rotate along the hinged support 28, the grab handle 14 is loosened, the connecting frame 15 is lifted up under the action of the reset elastic force of the second spring 25, and the rotating plate 30 is enabled to be clamped in the locking groove 29, so that the purpose of further fixing the monitor 12 is achieved.
Example 4:
on the basis of embodiment 3, the sampling assembly comprises a three-way pipe consisting of a sampling pipe 4, a driving pipe 7 and a communicating pipe 6, wherein the sampling pipe 4 is fixed in the embedded pipe 1, an overflow frame 9 opposite to a probe 21 is arranged on the sampling pipe 4, the communicating pipe 6 is positioned under water, the outer end of the communicating pipe 6 is connected with a one-way valve 8, and a driving device for adjusting the internal pressure of the sampling assembly is arranged in the driving pipe 7.
The one-way valve 8 is arranged to enable water flow in the reservoir to enter the sampling tube 4 and the driving tube 7 in one way, so that the water surface height is kept consistent.
The driving device comprises a pressing rod 19 and a piston 18, the piston 18 is slidably mounted in the driving tube 7, the upper end port of the driving tube 7 is located at the upper end of the sampling tube 4, the pressing rod 19 is vertically connected to the upper end of the piston 18, a limiting cover 31 is arranged at the upper end port of the driving tube 7, the pressing rod 19 slidably penetrates through the limiting cover 31, and the piston 18 is located at the lower end of the limiting cover 31.
Under the downward pressing of the pressing rod 19, the internal pressure is increased, so that the water flow level in the sampling tube 4 is lifted upwards, and the purpose of driving sampling is achieved.
The overflow frame 9 sets up to the awl groove structure of undercut, and awl groove lower extreme intercommunication sampling tube 4 of overflow frame 9, and the outer wall of overflow frame 9 is provided with the side groove 32 that circumference array distributes, and the lower extreme of overflow frame 9 is provided with fixed block 33 of cup jointing on sampling tube 4, and fixed block 33 is sealed to be fixed on the inner wall of pre-buried pipe 1.
Ascending water flow upwards rushes into the overflow frame 9, the purpose of detecting water quality is achieved by arranging the overflow frame 9 and the probe 21 in a matching way, and the detected water flow is discharged timely by arranging the side grooves 32 and the overflow frame 9 in a matching way, so that the purpose of sampling different water levels is achieved, and the detection precision is further improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A portable real-time water quality monitoring system is characterized in that: the water quality monitoring system comprises:
the embedded pipe (1), the embedded pipe (1) is vertically embedded in water, the upper end of the embedded pipe (1) is provided with a connecting pipe (2), a detector (10) is vertically and elastically installed in the connecting pipe (2) in a sliding manner, the lower end of the detector (10) is provided with a probe (21), and a sampling assembly matched with the probe (21) for detection is arranged in the embedded pipe (1);
the monitoring assembly comprises a mounting pipe (3), a monitor (12), a display screen (13), a connecting frame (15), a connecting column (11) and a grab handle (14), a pair of vertically extending slots (34) are arranged on the side wall of the mounting pipe (3), a quarter circular arc-shaped rotating groove (35) is connected to the lower end port of the slots (34), a clamping groove (36) is vertically upwards extended at the other end part of the rotating groove (35), an end plate (27) is arranged at the upper end of the connecting column (11), the middle section of the connecting column (11) is vertically inserted into the mounting pipe (3), a connecting terminal (17) electrically connected with the detector (10) is arranged at the lower end of the connecting column (11), a side block (22) which is matched with the slots (34) in a sliding manner is arranged on the outer wall of the connecting column (11), the side block (22) rotates into the clamping groove (36) along the rotating groove, a sleeve (24) is arranged in the middle of the end plate (27) and is rotationally pressed on the upper end surface of the mounting pipe (3), a sleeve (12) is arranged at the middle of the upper end plate (27), the upper end of the monitor (12) is provided with a sleeve (24) through the connecting rod (13), the lower extreme of monitor (12) is provided with link (15), elastic connection between the lower extreme of link (15) and end plate (27).
2. A portable real-time water quality monitoring system according to claim 1, wherein: the lower extreme of pre-buried pipe (1) is provided with and inserts awl (5), and the upper end port of pre-buried pipe (1) passes through ring flange and connecting pipe (2) fixed connection, and the upper end port of pre-buried pipe (1) transversely is provided with the long groove that runs through.
3. A portable real-time water quality monitoring system according to claim 2, wherein: the sampling assembly comprises a three-way pipe consisting of a sampling pipe (4), a driving pipe (7) and a communicating pipe (6), wherein the sampling pipe (4) is fixed in the embedded pipe (1), an overflow frame (9) opposite to a probe (21) is arranged on the sampling pipe (4), the communicating pipe (6) is positioned under water, the outer end of the communicating pipe (6) is connected with a one-way valve (8), and a driving device for adjusting the internal pressure of the sampling assembly is arranged in the driving pipe (7).
4. A portable real-time water quality monitoring system according to claim 3, wherein: the driving device comprises a pressing rod (19) and a piston (18), the piston (18) is slidably mounted in the driving tube (7), the upper end port of the driving tube (7) is located at the upper end of the sampling tube (4), the pressing rod (19) is vertically connected to the upper end of the piston (18), the limiting cover (31) is arranged at the upper end port of the driving tube (7), the pressing rod (19) slidably penetrates through the limiting cover (31), and the piston (18) is located at the lower end of the limiting cover (31).
5. The portable real-time water quality monitoring system of claim 4, wherein: the overflow frame (9) is arranged to be of a cone groove structure which is concave downwards, the lower end of the cone groove of the overflow frame (9) is communicated with the sampling pipe (4), the outer wall of the overflow frame (9) is provided with side grooves (32) distributed in a circumferential array, the lower end of the overflow frame (9) is provided with a fixing block (33) fixedly sleeved on the sampling pipe (4), and the fixing block (33) is fixed on the inner wall of the embedded pipe (1) in a sealing mode.
6. A portable real-time water quality monitoring system according to claim 1, wherein: the upper end outer wall of installation pipe (3) is provided with the boss, and the lower terminal surface of boss is provided with locking groove (29) that upwards sunken extends, the lower extreme of link (15) is provided with hinge (28), rotates on hinge (28) and installs swivel plate (30), be provided with on swivel plate (30) with locking groove (29) cooperation grafting insert.
7. The portable real-time water quality monitoring system of claim 6, wherein: an inward concave inner groove is formed in the middle of the monitor (12), a grab handle (14) is arranged in the inner groove, the grab handle (14) is located at the lower end of the display screen (13), and the lower end of the grab handle (14) is opposite to the connecting column (11).
8. A portable real-time water quality monitoring system according to claim 1, wherein: the utility model discloses a connecting pipe, including connecting pipe (2), mounting tube (3), detector (10), first spring (20), electrode slice, connecting terminal (17) laminating is provided with to the lower extreme inner wall of connecting pipe (2) and mounting tube (3) all be provided with spacing ear seat, the lower extreme of detector (10) is provided with first spring (20), and first spring (20) pressfitting is between detector (10) and connecting pipe (2) inner wall ear seat, and the last of detector (10) is abstracted the crown and is provided with the electrode slice of laminating with connecting terminal (17).
9. A portable real-time water quality monitoring system according to claim 1, wherein: the inner wall of sleeve pipe (24) is provided with the spacing groove of circumference array distribution, the lower extreme outer wall of monitor (12) is provided with the side bar of vertical slip grafting of limit groove cooperation.
10. A portable real-time water quality monitoring system according to claim 1, wherein: four groups of connecting upright posts (26) distributed in a circumferential array are arranged on the upper end face of the end plate (27), the lower ends of the connecting frames (15) are sleeved on the four groups of connecting upright posts (26) distributed in the circumferential array, second springs (25) are sleeved on the connecting upright posts (26), and two ends of each second spring (25) are abutted between the end plate (27) and the lower end face of the connecting frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311450331.0A CN117517606B (en) | 2023-11-02 | 2023-11-02 | Portable real-time water quality monitoring system |
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| CN202311450331.0A CN117517606B (en) | 2023-11-02 | 2023-11-02 | Portable real-time water quality monitoring system |
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| CN117517606B CN117517606B (en) | 2024-06-07 |
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| CN216525781U (en) * | 2021-12-16 | 2022-05-13 | 山西鑫恒创控制技术有限公司 | Water quality on-line measuring and controlling device |
| CN115112852A (en) * | 2022-08-30 | 2022-09-27 | 合肥森印科技有限公司 | Water quality monitoring device for environmental protection detection |
| CN219758227U (en) * | 2022-12-08 | 2023-09-26 | 武汉上好信环保科技有限公司 | Water quality sampling detection device |
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| CN117517606B (en) | 2024-06-07 |
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