CN112379066A - Water quality monitoring system and water quality monitoring method thereof - Google Patents
Water quality monitoring system and water quality monitoring method thereof Download PDFInfo
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- CN112379066A CN112379066A CN202011138547.XA CN202011138547A CN112379066A CN 112379066 A CN112379066 A CN 112379066A CN 202011138547 A CN202011138547 A CN 202011138547A CN 112379066 A CN112379066 A CN 112379066A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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Abstract
The invention relates to a water quality monitoring system and a water quality monitoring method thereof, wherein a control rope drives a sampling cylinder to reach the sampling depth, a plugging control mechanism opens a water inlet and a water outlet, water enters the sampling cylinder, when the sampling is finished, the water inlet and the water outlet are plugged by the water inlet and the water outlet plugging mechanism, the sampling cylinder is driven by the control rope to move upwards to the upper part of a guide column, a sample bottle conveyer belt conveys a sample bottle to the lower part of the sampling cylinder, a pull rope is pulled, a movable sleeve moves downwards, the upper ends of a first connecting rod and a second connecting rod push upwards a water inlet and outlet plug, the water inlet and the water outlet are opened, water flows into the sample bottle from the water inlet and the water outlet, the sample bottle conveyer belt conveys the sample bottle to the tail end of the sample bottle conveyer belt, a sample bottle is conveyed to a sample bottle placing position on a tray by a sample bottle transferring manipulator, the, and the water quality detection device has a cleaning function, can efficiently clean the detection head, and effectively ensures accurate data of water quality detection.
Description
Technical Field
The invention relates to a water quality monitoring system and a water quality monitoring method of the water quality monitoring system.
Background
Carry out water quality testing among the prior art, when taking a sample through the sampling bottle, the water intaking degree of depth when carrying out water quality testing can't convenient as required regulation, and water quality testing appearance's detection head when carrying out water quality testing in addition, when carrying out continuous detection, the surface of detecting the head can't keep clean, produces the influence to water quality testing's accurate reading easily.
Disclosure of Invention
The invention aims to provide a water quality monitoring system which can efficiently adjust the water taking depth and ensure the accurate and reliable water quality detection result.
In order to solve the technical problems, the technical scheme of the invention is as follows: a water quality monitoring system comprises a water taking device and a water quality detector, wherein the water taking device comprises a guide post and a sampling tube, the upper end of the sampling tube is sealed, the lower end of the sampling tube is provided with a water inlet and a water outlet, the sampling tube is provided with a water inlet and water outlet plugging mechanism for plugging the water inlet and the water outlet, the upper end of the guide post is rotatably provided with an upper guide wheel, the lower part of the guide post is rotatably provided with a lower guide wheel, the guide post is sleeved with a guide sleeve, the sampling tube is fixedly installed on the guide sleeve, a plugging control mechanism for opening the water inlet and water outlet plugging mechanism is arranged between the sampling tube and the guide post, one end of a control rope is fixedly connected on the guide sleeve, the other end of the control rope is wound on the upper guide wheel and the lower guide wheel and is fixedly connected on the guide sleeve, and a rotation, the water quality detector is characterized in that a tray is arranged on the rack, a sample bottle placing position and a detection head cleaning mechanism are arranged on the tray, when the water quality detector detects water, the sample bottle placing position is located below a detection head of the water quality detector, a lifting driving electric cylinder is arranged on the rack, a rotating shaft is coaxially and rotatably arranged on a piston rod of the lifting driving electric cylinder, the tray is fixedly arranged at the upper end of the rotating shaft, a rotating driving mechanism is arranged between the piston rod of the driving electric cylinder and the rotating shaft, a sample bottle conveying belt is arranged between the tray and the water taking device, and a sample bottle transferring mechanical arm is arranged between the tail end of the sample bottle conveying belt and the tray.
As a preferred technical scheme, the water inlet and outlet plugging mechanism comprises a water inlet and outlet plug which is positioned in the sampling cylinder and plugs the water inlet and outlet, a guide sleeve is fixedly installed in the water inlet and outlet, a guide rod which is movably installed in the guide sleeve is fixedly installed on the lower surface of the water inlet and outlet plug, a telescopic sleeve is fixedly installed at the lower end of the sampling cylinder, the water inlet and outlet is positioned at the inner side of the telescopic sleeve, the telescopic sleeve comprises a fixed sleeve fixedly connected with the sampling cylinder and a movable sleeve positioned in the fixed sleeve, the outer surface of the movable sleeve is an inverted conical surface, the inner surface of the fixed sleeve is also an inverted conical surface, the outer diameter of the large end of the movable sleeve is larger than the inner diameter of the small end of the fixed sleeve, a first connecting rod and a second connecting rod are hinged in the movable sleeve, the middle part of the first connecting rod is hinged with the middle part of, the upper end of first connecting rod with the second connecting rod supports the lower surface of outlet stopper, first connecting rod with the articulated shaft rotates between the second connecting rod to be installed the uide bushing, the outlet stopper with be equipped with between the uide bushing and make the outlet stopper fill in the extension spring of inlet outlet downwards, first connecting rod with the lower extreme of second connecting rod is equipped with flexible section, flexible section articulates the movable sleeve inner wall.
According to a preferable technical scheme, the plugging control mechanism comprises a pull rope guide wheel which is rotatably installed on the guide sleeve, the lower end of the movable sleeve is fixedly connected with a pull rope, and the end part of the pull rope is wound through the pull rope guide wheel and then connected to a pull rope winding mechanism.
As the preferred technical scheme, it includes the washing sleeve to detect first wiper mechanism, the telescopic inner wall of washing is equipped with the helical blade that the spiral extends, thereby wash telescopic inner wall and be formed with the helical groove, helical blade is the elastic rubber piece, helical blade's inboard subsides detect overhead, wash telescopic lower part cover have the inner tube, the inner wall of inner tube is pasted detect first surface, the outer wall of inner tube with helical blade's inboard is fixed to be linked to each other, wash telescopic upper portion and be connected with the inlet tube, wash telescopic sub-unit connection has the outlet pipe.
The invention aims to solve another technical problem of providing a water quality monitoring method which can efficiently adjust the water intake depth and ensure the accurate and reliable water quality detection result, a control rope drives a sampling cylinder to reach the sampling depth, a plugging control mechanism opens a water inlet and a water outlet, when the sampling is completed, the water inlet and the water outlet are plugged by a water inlet and water outlet plugging mechanism, the control rope drives the sampling cylinder to move upwards to the upper part of a guide column, a sample bottle conveyer belt conveys a sample bottle to the lower part of the sampling cylinder, a pull rope is pulled, a movable sleeve moves downwards, the upper ends of a first connecting rod and a second connecting rod push a water inlet and water outlet plug upwards, the water inlet and the water outlet are opened, water flows into the sample bottle from the water inlet and the water outlet, the sample bottle conveyer belt conveys the sample bottle to the tail end of the sample bottle conveyer belt, a sample bottle transferring manipulator transfers the sample bottle to a sample bottle placing position on a tray, the tray, the water quality detection is carried out, after the detection is finished, the tray moves downwards, the tray rotates, after the tray rotates in place, the sample bottle transferring mechanical arm transfers the sample bottle to the sample bottle conveying belt, the detection head cleaning mechanism is right opposite to the detection head for cleaning the detection head, when the detection head is cleaned, the tray moves upwards to cover the cleaning sleeve outside the detection head, water is injected into the water inlet pipe, the tray moves vertically, cleaning water flows out from the water outlet pipe, after the cleaning is finished, the tray moves downwards, the tray rotates, and the sample bottle placing position is right opposite to the detection head.
Due to the adoption of the technical scheme, the water quality monitoring system and the water quality monitoring method thereof are characterized in that the control rope drives the sampling cylinder to reach the sampling depth, the plugging control mechanism opens the water inlet and the water outlet, when the sampling is completed, the water inlet and the water outlet are plugged by the water inlet and the water outlet plugging mechanism, the control rope drives the sampling cylinder to move upwards to the upper part of the guide column, the sample bottle conveyer belt conveys the sample bottle to the lower part of the sampling cylinder, the pull rope is pulled, the movable sleeve moves downwards, the upper ends of the first connecting rod and the second connecting rod push the water inlet and the water outlet plug upwards, the water inlet and the water outlet are opened, water flows into the sample bottle from the water inlet and the water outlet, the sample bottle conveyer belt conveys the sample bottle to the tail end of the sample bottle conveyer belt, the sample bottle is conveyed to the sample bottle placing position on the tray by the sample bottle conveying manipulator, can adjust the water intaking degree of depth as required, have the cleaning function moreover, can carry out high-efficient washing to detecting the head, effectively guarantee water quality testing's data accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a water inlet and outlet plugging mechanism in an embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a schematic view of a sealing mechanism for a water inlet and outlet according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a cleaning mechanism of a detection head in an embodiment of the invention.
Detailed Description
As shown in fig. 1 to 3, a water quality monitoring system comprises a water intake device and a water quality detector, wherein the water intake device comprises a guide post 1 and a sampling tube 2, the upper end of the sampling tube 2 is sealed and the lower end is provided with a water inlet and a water outlet 3, the sampling tube 2 is provided with a water inlet and a water outlet plugging mechanism for plugging the water inlet and the water outlet 3, the upper end of the guide post 1 is rotatably provided with an upper guide wheel 4, the lower part of the guide post is rotatably provided with a lower guide wheel 5, the guide post is sleeved with a guide sleeve 6, the sampling tube 2 is fixedly arranged on the guide sleeve 6, a plugging control mechanism for opening the water inlet and the water outlet plugging mechanism is arranged between the sampling tube 2 and the guide post 1, one end of a control rope 7 is fixedly connected on the guide sleeve 6, the other end of the control rope 7 is wound on the upper guide wheel 4 and the lower guide wheel 5 and is, the water quality detector is characterized in that a rotation driving mechanism is arranged between the upper guide wheel 4 and the guide column 1, a tray 8 is arranged on the rack, a sample bottle placing position and a detection head cleaning mechanism 9 are arranged on the tray 8, when the water quality detector detects water, the sample bottle placing position is located below a detection head 10 of the water quality detector, a lifting driving electric cylinder 11 is arranged on the rack, a rotating shaft 12 is coaxially installed on a piston rod of the lifting driving electric cylinder in a rotating mode, the tray 8 is fixedly installed at the upper end of the rotating shaft 12, a rotation driving mechanism is arranged between the piston rod of the driving electric cylinder and the rotating shaft 12, a sample bottle conveying belt 13 is arranged between the tray and the water taking device, and a sample bottle transferring mechanical arm 14 is arranged between the tail end of the sample bottle conveying belt and the tray 8. The rotation driving mechanism comprises a mounting seat 40 fixedly mounted on the piston rod, a mounting seat guide post 41 is fixedly mounted on the frame, a mounting seat guide hole matched with the mounting seat guide post is formed in the mounting seat, a rotation driving motor 42 is fixedly mounted on the mounting seat, and the rotation driving motor is connected with the rotation shaft 12 in a belt transmission mode. The water quality detector has WMP4 sensor as the detecting head, WMP4 sensor as the integrated sensor capable of detecting water pH, water level, temperature and conductivity synchronously, USB or RS485 interface for outputting the measured data to computer, data collector, PLC system, etc. and may be used in GSM, GPRS, UMTS, satellite system, wired/wireless communication and other modes. The WMP4 four-parameter water quality sensor is suitable for long-term monitoring of oceans, lakes, reservoirs, rivers, underground water, aquaculture, tap water and industrial water, and is placed in an open water body when in use. The calibration process of the equipment is simple and quick, the calibration process can be set by running software, and the calibration period is one year at most. The sensor part does not need special maintenance, and the surface is kept clean, so that the detection result is accurate.
As shown in fig. 4, the water inlet and outlet plugging mechanism includes a water inlet and outlet plug 15 located in the sampling tube and plugging the water inlet and outlet, a guide sleeve 16 is fixedly installed in the water inlet and outlet, a guide rod 17 movably installed in the guide sleeve is fixedly installed on the lower surface of the water inlet and outlet plug, a telescopic sleeve is fixedly installed at the lower end of the sampling tube, the water inlet and outlet is located inside the telescopic sleeve, the telescopic sleeve includes a fixed sleeve 18 fixedly connected with the sampling tube and a movable sleeve 19 located in the fixed sleeve, the outer surface of the movable sleeve 19 is an inverted conical surface, the inner surface of the fixed sleeve is also an inverted conical surface, the outer diameter of the large end of the movable sleeve is larger than the inner diameter of the small end of the fixed sleeve, a first connecting rod 20 and a second connecting rod 21 are hinged in the movable sleeve, the middle part of the first connecting rod 20 is hinged with the middle part of the second connecting rod 21, the upper end of first connecting rod with the second connecting rod supports the lower surface of outlet plug 15, first connecting rod with the articulated shaft rotates between the second connecting rod to be installed uide bushing 16, the outlet plug with be equipped with between the uide bushing and make the outlet plug fill in the extension spring of inlet outlet downwards, first connecting rod with the lower extreme of second connecting rod is equipped with flexible section 24, flexible section articulates the movable sleeve inner wall. In this embodiment, the lower end of the movable sleeve is fixedly provided with a water outlet barrel 35. A movable sleeve tension spring 36 for pulling the movable sleeve upwards is arranged between the movable sleeve and the water inlet and outlet. The water outlet barrel 35 moves downwards to drive the movable sleeve to move downwards, and because the outer diameter of the large end of the movable sleeve is larger than the inner diameter of the small end of the fixed sleeve, the large end of the movable sleeve can be tightly attached to the inner diameter of the small end of the fixed sleeve, so that water flowing out of the water outlet can flow along the movable sleeve and the water outlet barrel, the water flowing out of the water inlet and the water outlet is restrained, and the discharged water cannot flow at will.
The plugging control mechanism comprises a pull rope guide wheel 25 which is rotatably arranged on the guide sleeve 16, the lower end of the movable sleeve is fixedly connected with a pull rope 26, and the end part of the pull rope is wound through the pull rope guide wheel and then connected to a pull rope winding mechanism. The pull rope winding mechanism is arranged at the upper end of the guide post and comprises a winding roller and a winding roller driving stepping motor fixedly arranged on the stand post.
As shown in fig. 1 and 5, the cleaning mechanism of the detection head comprises a cleaning sleeve 27, the inner wall of the cleaning sleeve is provided with a spiral blade 28 extending spirally, so that a spiral groove 29 is formed on the inner wall of the cleaning sleeve, the spiral blade is an elastic rubber sheet, the inner side of the spiral blade is attached to the detection head 30, the lower part of the cleaning sleeve is sleeved with an inner cylinder 31, the inner wall of the inner cylinder is attached to the outer surface of the detection head, the outer wall of the inner cylinder is fixedly connected with the inner side of the spiral blade, the upper part of the cleaning sleeve is connected with a water inlet pipe 32, and the lower part of the cleaning sleeve is connected with a water outlet pipe 33. The cleaning sleeve is internally and fixedly provided with a water stop baffle 37 positioned below the helical blade, the water outlet pipe comprises a first water outlet pipe 38 and a second water outlet pipe 39, a water inlet of the first water outlet pipe is positioned between the water stop baffle and the helical blade, and the second water outlet pipe 39 is communicated with the lower end of the helical groove.
A water quality monitoring method of a water quality monitoring system comprises the steps that a control rope 7 drives a sampling cylinder 2 to reach a sampling depth, a plugging control mechanism opens a water inlet/outlet 3, water enters the sampling cylinder 2, when sampling is completed, the water inlet/outlet 3 is plugged by the water inlet/outlet plugging mechanism, the sampling cylinder 2 is driven by the control rope 7 to move upwards to the upper portion of a guide column 1, a sample bottle conveyer belt 13 conveys a sample bottle to the lower portion of the sampling cylinder 2, a pull rope is pulled, a movable sleeve moves downwards, the upper ends of a first connecting rod 21 and a second connecting rod 22 push up a water inlet/outlet plug 15, the water inlet/outlet is opened, water flows into the sample bottle 34 from the water inlet/outlet, the sample bottle conveyer belt conveys the sample bottle to the tail end of the sample bottle conveyer belt, a sample bottle conveying manipulator conveys the sample bottle to a sample bottle placing position on a tray, the tray rises to enable a, after the detection is finished, the tray 8 moves downwards, the tray rotates, after the tray 8 rotates in place, the sample bottle transferring mechanical arm transfers the sample bottle to the sample bottle conveying belt, the detection head cleaning mechanism is right opposite to the detection head for cleaning the detection head, when the detection head is cleaned, the tray moves upwards to cover the cleaning sleeve 27 outside the detection head, water is injected into the water inlet pipe, the tray moves vertically, cleaning water flows out from the water outlet pipe, the tray moves downwards after the cleaning is finished, and the tray rotates to enable the sample bottle placing position to be right opposite to the detection head.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A water quality monitoring system is characterized by comprising a water taking device and a water quality detector, wherein the water taking device comprises a guide post and a sampling tube, the upper end of the sampling tube is sealed and the lower end of the sampling tube is provided with a water inlet and a water outlet, the sampling tube is provided with a water inlet and a water outlet plugging mechanism for plugging the water inlet and the water outlet, the upper end of the guide post is rotatably provided with an upper guide wheel, the lower part of the guide post is rotatably provided with a lower guide wheel, the guide post is sleeved with a guide sleeve, the sampling tube is fixedly installed on the guide sleeve, a plugging control mechanism for opening the water inlet and the water outlet plugging mechanism is arranged between the sampling tube and the guide post, one end of a control rope is fixedly connected on the guide sleeve, the other end of the control rope is wound on the upper guide wheel and the lower guide wheel and is fixedly connected on the guide sleeve, and a, the water quality detector is characterized in that a tray is arranged on the rack, a sample bottle placing position and a detection head cleaning mechanism are arranged on the tray, when the water quality detector detects water, the sample bottle placing position is located below a detection head of the water quality detector, a lifting driving electric cylinder is arranged on the rack, a rotating shaft is coaxially and rotatably arranged on a piston rod of the lifting driving electric cylinder, the tray is fixedly arranged at the upper end of the rotating shaft, a rotating driving mechanism is arranged between the piston rod of the driving electric cylinder and the rotating shaft, a sample bottle conveying belt is arranged between the tray and the water taking device, and a sample bottle transferring mechanical arm is arranged between the tail end of the sample bottle conveying belt and the tray.
2. The water quality monitoring system of claim 1, wherein: the water inlet and outlet plugging mechanism comprises a water inlet and outlet plug which is positioned in the sampling cylinder and plugs the water inlet and outlet, a guide sleeve is fixedly installed in the water inlet and outlet, a guide rod which is movably installed in the guide sleeve is fixedly installed on the lower surface of the water inlet and outlet plug, a telescopic sleeve is fixedly installed at the lower end of the sampling cylinder, the water inlet and outlet is positioned on the inner side of the telescopic sleeve, the telescopic sleeve comprises a fixed sleeve fixedly connected with the sampling cylinder and a movable sleeve positioned in the fixed sleeve, the outer surface of the movable sleeve is an inverted conical surface, the inner surface of the fixed sleeve is also an inverted conical surface, the outer diameter of the large end of the movable sleeve is larger than the inner diameter of the small end of the fixed sleeve, a first connecting rod and a second connecting rod are hinged in the movable sleeve, the middle part of the first connecting rod is hinged with the middle part of the second connecting rod, and the upper ends of the first connecting rod and the second connecting rod are abutted, the articulated shaft rotates between the first connecting rod with the second connecting rod and installs the uide bushing, the business turn over water mouth stopper with be equipped with between the uide bushing and make the business turn over water mouth stopper fill in the extension spring of inlet outlet downwards, first connecting rod with the lower extreme of second connecting rod is equipped with flexible section, flexible section articulates the movable sleeve inner wall.
3. A water quality monitoring system as claimed in claim 2, wherein: the plugging control mechanism comprises a pull rope guide wheel which is rotatably installed on the guide sleeve, the lower end of the movable sleeve is fixedly connected with a pull rope, and the end part of the pull rope is connected to the pull rope winding mechanism after passing through the pull rope guide wheel.
4. A water quality monitoring system as claimed in any one of claims 1 to 3 wherein: detect first wiper mechanism including wasing the sleeve, it is equipped with the helical blade that the spiral extends to wash telescopic inner wall, thereby wash telescopic inner wall and be formed with the spiral groove, helical blade is the elastic rubber piece, helical blade's inboard subsides detect overhead, wash telescopic lower part cover have the inner tube, the inner wall of inner tube is pasted detect first surface, the outer wall of inner tube with helical blade's inboard is fixed to be linked to each other, it is connected with the inlet tube to wash telescopic upper portion, it has the outlet pipe to wash telescopic sub-unit connection.
5. The water quality monitoring method of a water quality monitoring system according to claim 2, characterized in that: the control rope drives the sampling cylinder to reach the sampling depth, the plugging control mechanism opens the water inlet and the water outlet, water enters the sampling cylinder, when sampling is completed, the water inlet and the water outlet are plugged by the water inlet and the water outlet plugging mechanism, the control rope drives the sampling cylinder to move upwards to the upper part of the guide column, the sample bottle conveyer belt conveys the sample bottle to the lower part of the sampling cylinder, the pull rope is pulled, the movable sleeve moves downwards, the upper ends of the first connecting rod and the second connecting rod push the water inlet and the water outlet plug upwards, the water inlet and the water outlet are opened, water flows into the sample bottle from the water inlet and the water outlet, the sample bottle conveyer belt conveys the sample bottle to the tail end of the sample bottle conveyer belt, the sample bottle is conveyed to a sample bottle placing position on the tray by the sample bottle conveying manipulator, the tray is lifted to ensure that a detection head of the water quality detector is immersed in the sample, the manipulator is transported to the sample bottle with the sample bottle and transports the sample bottle to the sample bottle conveyer belt, and detection head wiper mechanism just detects the head and washs, and when detecting the head and wasing, the tray rebound will wash the sleeve cover outside detecting the head, and the inlet tube water injection, the tray reciprocates, washs water and flows out from the outlet pipe, washs and accomplishes back tray rebound, and the tray rotates for the sample bottle is put the position and just is detecting the head.
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| CN114264785A (en) * | 2021-12-23 | 2022-04-01 | 江苏省苏力环境科技有限责任公司 | Intelligent management system of water quality automatic station |
| CN114371267A (en) * | 2022-01-07 | 2022-04-19 | 中科通和(山东)海洋科技有限公司 | Be used for ocean pasture quality of water comprehensive testing alarm device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114264785A (en) * | 2021-12-23 | 2022-04-01 | 江苏省苏力环境科技有限责任公司 | Intelligent management system of water quality automatic station |
| CN114264785B (en) * | 2021-12-23 | 2024-04-12 | 江苏省苏力环境科技有限责任公司 | Intelligent management system of automatic water quality station |
| CN114371267A (en) * | 2022-01-07 | 2022-04-19 | 中科通和(山东)海洋科技有限公司 | Be used for ocean pasture quality of water comprehensive testing alarm device |
| CN114371267B (en) * | 2022-01-07 | 2023-08-15 | 中科通和(山东)海洋科技有限公司 | Comprehensive detection alarm device for water quality of marine pasture |
| CN114414762A (en) * | 2022-01-29 | 2022-04-29 | 杨卫卫 | Water ecology monitoring system |
| CN114414762B (en) * | 2022-01-29 | 2024-03-26 | 杨卫卫 | Water ecology monitoring system |
| CN117030345A (en) * | 2023-08-15 | 2023-11-10 | 河北沧美园林绿化工程有限公司 | Water sample collection and detection device for irrigation water |
| CN117030345B (en) * | 2023-08-15 | 2024-02-20 | 河北沧美园林绿化工程有限公司 | Water sample collection and detection device for irrigation water |
| CN117405849A (en) * | 2023-12-15 | 2024-01-16 | 江苏省环境监测中心 | Automatic monitoring device for water pollutant flux and accounting method |
| CN117405849B (en) * | 2023-12-15 | 2024-02-09 | 江苏省环境监测中心 | Automatic monitoring device for water pollutant flux and accounting method |
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| CN112379066B (en) | 2022-09-23 |
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