CN201532390U - Multipoint continuous automatic water quality monitoring device - Google Patents
Multipoint continuous automatic water quality monitoring device Download PDFInfo
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- CN201532390U CN201532390U CN2009202123142U CN200920212314U CN201532390U CN 201532390 U CN201532390 U CN 201532390U CN 2009202123142 U CN2009202123142 U CN 2009202123142U CN 200920212314 U CN200920212314 U CN 200920212314U CN 201532390 U CN201532390 U CN 201532390U
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Abstract
A multipoint continuous automatic water quality monitoring device comprises a sensor, a data collecting tank, a microprocessor, a data converter, at least a water sample conveyer pipe and a water drain pipe, wherein the sensor, the data collecting tank, the microprocessor and the data converter are arranged on the pool groundwork of a breeding pool, the water sample conveyer pipe is arranged below the data collecting tank, the upper end of the water sample conveyer pipe is connected with an water inlet of the data collecting tank, the lower end thereof is embedded in the pool groundwork and stretches into the breeding pool, the upper end of the water drain pipe is connected with an water outlet of the data collecting tank, and the lower end thereof protrudes into a water drain ditch of the breeding pool. The multipoint continuous automatic water quality monitoring device has the beneficial effects that a set of monitoring equipment has multipath sampling arrangement, low water quality monitoring cost and excellent economic property and fits for the current situation of national pool breeding, moreover, the monitoring mode of local sampling monitoring and data remote transmission is adopted, the monitoring data are guaranteed to reflect the real conditions of breeding water bodies, management personnel can timely master the water quality data and take corresponding measures to prevent the damage caused to the aquatic products by the changing of breeding water quality.
Description
Technical field
The utility model relates to a kind of water monitoring device, relates in particular to the pond culture water body.
Background technology
Water quality real-time automatic monitoring technology depends on the development of automatic technology, infotech and instrumental technique, especially can be for a long time, the development level of the online water chemistry instrument of working under the condition in the open air continuously.State such as America and Europe and Japan has portable water quality monitor in the seventies in 20th century and sells, but belongs to the instantaneous measurement instrument, can only measure the instant value of water quality parameter, has very big uncertainty and contingency.
The multi-parameter water quality analyzer was just brought into use in the eighties continuously, and China has set up first water quality continuous and automatic monitoring system in 1988, to the dissolved oxygen DO of water quality such as well or rivers and lakes, PH, ORP (oxidation-reduction potential), temperature, conductivity, turbidity, salinity, total dissolved solidss, general dissolved gas, ammonia nitrogen, nitrate, chloride, chlorophyll, blue-green algae, photosynthetically active radiation, continuous parameters such as the degree of depth are monitored automatically.Used automatic analyzer table mostly is import equipment, costs an arm and a leg, and the running expense height, is mainly used in the major project that water conservancy, ambient water quality etc. involve the interests of the state and the people.
From the later stage eighties in last century, be equipped with water quality successively in the industrial aquaculture workshop of external import and the aquarium and monitored automatically, mainly monitor water quality parameters such as dissolved oxygen DO, potential of hydrogen and temperature, and the parameter control related facility to monitor.But this on-line monitoring instrument and meter price is also very expensive, and multiple spot automatic monitor for continuously input cost is very high.
The present aquaculture present situation of China, more than 80% or based on pond culture, the pond culture water surface is big, area is wide, the monitoring water quality on line system that uses in industrial aquaculture workshop and the aquarium also is not suitable for the outdoor ponds breed, and too high monitoring cost do not conform to the input and output level of existing aquaculture model, can't apply in extensive intensification pond culture aquatic monitoring.
Sampling, the monitoring mode of the present pond culture water quality of China, also rest on hand-held test tube collection, send into the primitive stage that laboratory assay is analyzed again, can't carry out real-time, online, automatic continuous monitoring to breeding water body, not only the process of sample examination is loaded down with trivial details, Monitoring Data has certain retardance, and after the longer-distance transportation of water sample process, the analysis data accuracy can not guarantee that present aquaculture automatic water quality monitoring system also is in blank in the application that outdoor ponds is cultured.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can carry out real-time, online, multiple spot automatic monitor for continuously to the pond culture water body, and monitors lower-cost sampling and monitoring device.
The utility model is achieved through the following technical solutions:
The continuously automatic water monitoring device of a kind of multiple spot, it is characterized in that: described system comprises sensor, data acquisition groove, microprocessor, data converter, at least one road water sample delivery pipe and one road drainpipe, wherein:
Sensor, data acquisition groove, microprocessor, data converter are arranged on the base of the cultivating pool pool,
Sensor is arranged on data acquisition groove top, and the probe of sensor stretches in the data acquisition groove, and the data acquisition groove is provided with water inlet and water delivering orifice,
Data converter and microprocessor are arranged on sensor one side, and sensor is connected by the signal transmission line road with data converter, and data converter links to each other with central control system by the data transmission lines,
The water sample delivery pipe is arranged on data acquisition groove below, its upper end links to each other with the water inlet of data acquisition groove, and the lower end is imbedded pool base, stretched in the cultivating pool, and that end port that the water sample delivery pipe stretches in the cultivating pool is provided with filter bowl, the water sample delivery pipe is provided with sampling pump
The drainpipe upper end links to each other with the water delivering orifice of data acquisition groove, and the lower end is stretched in the cultivating pool trench drain,
Microprocessor links to each other with sensor, data converter, sampling pump by operation circuit,
Sensor comprises dissolved oxygen concentration, potential of hydrogen, salinity, temperature sensor.
The sensitive parameter that outdoor ponds is cultured mainly includes dissolved oxygen concentration, potential of hydrogen, and salinity, temperature by the effective monitoring to these parameters, just can provide a water body environment preferably for pond culture; By a cover sensor, data converter the sample introduction of different ponds, different mining sampling point is carried out water analysis in turn respectively, needn't be each sampled point configuration one cover sensor, the data converter of each cultivating pool, can effectively control the input of water quality monitoring cost, good economy performance.
One takes turns sampling monitoring when beginning, sampling pump on microprocessor turn-on data converter, sensor and the first via water sample delivery pipe, by this sampling pump water sample is pumped into the data acquisition groove, by being arranged on sensor probe sampling there, the sampled data that obtains is converted to data-signal, sends to than the central control system in the pulpit, distant place and carry out data processing and analysis through data-switching and delivery unit, make corresponding subsequent processing, after water sample stays for some time in groove, enter drainpipe by water delivering orifice and discharge; Behind the sampling monitoring of finishing first via sample introduction, microprocessor cuts out this road sampling pump, this road sample introduction water no longer enters the data acquisition groove, microprocessor is opened next road water sample pump in turn, carry out the sampling monitoring of next road water sample, by that analogy, the sample introduction sampling monitoring finishes until at least one road, microprocessor cuts out data converter, sensor, and this is taken turns sampling monitoring and finishes.
The lower end that the water sample delivery pipe stretches into cultivating pool is provided with filter mantle, results in blockage to avoid breed body in the cultivating pool or impurity to be pumped in the sampling line; Most of device of monitoring system is integrated to be arranged on the base of the cultivating pool pool, is convenient to install and debugging; The water sample delivery pipe except that port position, center section imbeds in the base of the pool, need not to take ground and lay pipeline, cracky not.
Further, for the active component that guarantees sensor probe can fully contact with sample introduction water, water inlet and water delivering orifice that should the data acquisition groove be set to same size, and water inlet is lower than sensor probe, water delivering orifice is higher than the sensor probe setting, the sensor probe position can be submerged in the groove in the sample introduction water body between the entery and delivery port fully like this, guarantees the accuracy of sampled data.
Further again, consider that the data acquisition groove is positioned at the top of pond sampled point, and the water delivering orifice of data acquisition groove is higher than water inlet, after each road sampling is finished, bottom land meeting residual fraction is water sample last time, may pollute next sample introduction, cause the actual value that can not reflect water sample strictly according to the facts of sampled data, a kind of preferred pipeline connecting mode is: the upper end of at least one road water sample delivery pipe is linked to each other with the water inlet of data acquisition groove by the delivery main, every road water sample delivery pipe is equipped with one way stop peturn valve, be provided with y-type filter between one way stop peturn valve and the filter bowl, with the particulate contamination that may contain in the further filtration water sample; The delivery main links to each other with drainpipe by solenoid valve; The tie point of delivery main, solenoid valve, delivery main and drainpipe all is lower than the water inlet setting of data acquisition groove; The water inlet of data acquisition groove is positioned at the bottom lowest part of data acquisition groove; Solenoid valve links to each other with microprocessor by operation circuit.
Before each road sampling beginning, microprocessor is at first opened this road sampling pump, open solenoid valve then, because the water inlet of data acquisition groove is higher than the delivery main, solenoid valve, the tie point of delivery main and drainpipe, and the water inlet of data acquisition groove is positioned at the bottom lowest part of data acquisition groove, therefore remain in the water sample of gathering in the groove and can fall to the delivery main by water inlet, through solenoid valve, drainpipe is discharged, remain in water sample that the water sample in the delivery main can pump into sampling pump through solenoid valve, drainpipe is discharged, after draining a period of time, microprocessor cuts out solenoid valve, and water sample can only be along being advanced into the collection groove on the delivery main, this road sampling beginning this moment.
Further again, consider that water sample in the data acquisition groove is dynamic flow and the water level that keeps relative stability in groove when sampling, the water sample flow that is fit to more helps the sampling of sensor, therefore the delivery main can be linked to each other by the water inlet of flow regulator with the data acquisition groove, the water sample flow that enters in the groove is controlled in the scope of 3～5cm/s.
Further again, consider the characteristic distributions in pond in the extensive pond culture, described at least one road sample introduction is preferably 3～5 the tunnel.
Further again, described data transmission lines can select be used the several data transmission lines that comprises wired data transmission, wireless data transmission, the wired and wireless data transmission that combines according to actual conditions.
The beneficial effects of the utility model are:
1. this device carries out sampling monitoring by cover sensor, a data converter continuously to a plurality of sampled points in different ponds in a monitoring time section, and this is low in water quality monitoring, and good economy performance meets the present situation of the present pond culture of China;
2. sampling monitoring nearby, the remote data transmission can guarantee fully that each sampled data reflects the truth of breeding water body in real time;
3. by this device cultivation water is carried out continuous automatic on-line monitoring, managerial personnel can in time grasp real-time water quality data, take corresponding measure, can avoid changing the harm that aquatic products are caused because of cultivation water.
Description of drawings
Fig. 1 is a kind of preferred version structural drawing of this device
Fig. 2 is a kind of preferred control flow chart of Fig. 1 device
In Fig. 1～2: 1 is sensor, and 2 are the data acquisition groove, and 3 is water inlet, and 4 is flow regulator, 5 is the delivery main, and 6 is one way stop peturn valve, and 7 is the water sample delivery pipe, and 8 is y-type filter, 9 is sampling pump, and 10 is filter bowl, and 11 is data converter, 12 is the data transmission lines, and 13 is central control system, and 14 is microprocessor, 15 is operation circuit, and 16 is drainpipe, and 17 is water delivering orifice, 18 is solenoid valve, and 19 is the trench drain, and 20 is cultivating pool.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Among Fig. 1, microprocessor 14, data converter 11, sensor 1, data acquisition groove 2 are arranged on the pool base of cultivating pool 20, sensor 1 is arranged on data converter 11 1 sides, comprise dissolved oxygen concentration, potential of hydrogen, salinity, temperature sensor, sensor 1 is connected by the signal transmission line road with data converter 11; Sensor 1 below is provided with data acquisition groove 2, the probe of sensor 1 stretches in the data acquisition groove 2, data acquisition groove 2 is provided with water inlet 3 and water delivering orifice 17, water inlet 3 is positioned at the bottom lowest part of data acquisition groove 2, water delivering orifice 17 is higher than the probe of sensor 1, water sample delivery pipe 7 upper ends, at least one road link to each other with the water inlet 3 of data acquisition groove 2 by delivery main 5, delivery main 5 is provided with flow regulator 4, every road water sample delivery pipe 7 all has one way stop peturn valve 6, be provided with y-type filter 8 between one way stop peturn valve 6 and the filter bowl 10, that end port that water sample delivery pipe 7 stretches in the cultivating pool 20 is provided with filter bowl 10, water sample delivery pipe 7 is provided with sampling pump 9, drainpipe 16 upper ends link to each other with the water delivering orifice 17 of data acquisition groove 2, the lower end is stretched in the cultivating pool trench drain 19, delivery main 5 links to each other with drainpipe 16 by solenoid valve 18, the delivery main 5, solenoid valve 18, the water inlet 3 that the tie point of delivery main 5 and drainpipe 16 all is lower than data acquisition groove 2 is provided with, microprocessor 14 is arranged on data converter 11 belows, by operation circuit 15 and sensor 1, data converter 11, sampling pump 9, solenoid valve 18 links to each other.
Fig. 2 is a kind of preferred control flow of device shown in Figure 1, when each takes turns the sampling beginning, microprocessor 14 turn-on data converters 11, sensor 1 and first via sampling pump 9, open the residual water sample in solenoid valve 18 emptying systems then, behind draining 3～5min, microprocessor 14 cuts out solenoid valve 18, first via sampling beginning this moment: sampling pump 9 pumps into water sample in the data acquisition groove 2, by being arranged on sensor 1 probe sampling there, the central control system 13 that the sampled data that obtains is transferred to is at a distance carried out data processing and analysis, and be shown to managerial personnel, the time of sampling monitoring is about about 10min, behind the sampling monitoring of finishing first via sample introduction, microprocessor 14 cuts out this road sampling pump 9, this road sample introduction water no longer enters data acquisition groove 2, microprocessor 14 is opened next road water sample pump 9 and solenoid valve 18 in turn, the sampling monitoring of next road water sample of the laggard row of the residual water sample of emptying, by that analogy, the sample introduction sampling monitoring finishes until at least one road, microprocessor 14 cuts out data converter 11, sensor 1, this takes turns the sampling monitoring end, and system enters suspending period, finish until interval, enter the next round sampling monitoring.
Because outdoor ponds breeding water body water quality is relatively stable, acute variation can not take place at short notice generally, therefore can between every two-wheeled sampling monitoring, suspend 6～8 hours, during one day in, water sample interval sampling, the monitoring several times of each sampled point are got final product.
The setting in sampling time is too short for fear of sample time, and the data of contingency can not reflect real water quality situation.
Because the difference of each sampling point position, the lift of water pump 9 is according to the different type selectings of pipeline length apart from different and all kinds of pressure losses.
Claims (7)
1. multiple spot water monitoring device automatically continuously, it is characterized in that: described device comprises sensor (1), data acquisition groove (2), microprocessor (14), data converter (11), at least one road water sample delivery pipe (7) and one road drainpipe (16), wherein:
Sensor (1), data acquisition groove (2), microprocessor (14), data converter (11) are arranged on the base of cultivating pool (20) pool,
Sensor (1) is arranged on data acquisition groove (2) top, and the probe of sensor (1) stretches in the data acquisition groove (2), and data acquisition groove (2) is provided with water inlet (3) and water delivering orifice (17),
Data converter (11) and microprocessor (14) are arranged on sensor (1) one side, and sensor (1) is connected by the signal transmission line road with data converter (11), and data converter (11) links to each other with central control system (13) by data transmission lines (12),
Water sample delivery pipe (7) is arranged on data acquisition groove (2) below, its upper end links to each other with the water inlet (3) of data acquisition groove (2), the lower end imbeds pool base, stretch into cultivating pool in (20), that end port that water sample delivery pipe (7) stretches in the cultivating pool (20) is provided with filter bowl (10), water sample delivery pipe (7) is provided with sampling pump (9)
Drainpipe (16) upper end links to each other with the water delivering orifice (17) of data acquisition groove (2), and the lower end is stretched in the cultivating pool trench drain (19),
Microprocessor (14) links to each other with sensor (1), data converter (11), sampling pump (9) by operation circuit (15),
Sensor (1) comprises dissolved oxygen concentration, potential of hydrogen, salinity, temperature sensor.
2. the continuously automatic water monitoring device of multiple spot according to claim 1, it is characterized in that: the water inlet (3) of described data acquisition groove (2) is lower than the probe of sensor (1), and water delivering orifice (17) is higher than the probe setting of sensor (1).
3. the continuously automatic water monitoring device of multiple spot according to claim 2 is characterized in that: described at least one road water sample delivery pipe (7) upper end links to each other with the water inlet (3) of data acquisition groove (2) by delivery main (5),
Every road water sample delivery pipe (7) all has one way stop peturn valve (6), is provided with y-type filter (8) between one way stop peturn valve (6) and the filter bowl (10),
Delivery main (5) links to each other with drainpipe (16) by solenoid valve (18),
The water inlet (3) that the tie point of delivery main (5), solenoid valve (18), delivery main (5) and drainpipe (16) all is lower than data acquisition groove (2) is provided with,
The water inlet (3) of data acquisition groove (2) is positioned at the bottom lowest part of data acquisition groove (2),
Solenoid valve (18) links to each other with microprocessor (14) by operation circuit (15).
4. the continuously automatic water monitoring device of multiple spot according to claim 3, it is characterized in that: described delivery main (5) links to each other with the water inlet (3) of data acquisition groove (2) by flow regulator (4).
5. the continuously automatic water monitoring device of multiple spot according to claim 4 is characterized in that: the flow range of described flow regulator (4) control is 3～5cm/s.
6. the continuously automatic water monitoring device of multiple spot according to claim 1, it is characterized in that: described water sample delivery pipe (7) is 3～5 the tunnel.
7. the continuously automatic water monitoring device of multiple spot according to claim 1, it is characterized in that: described data transmission lines (12) is cable data transmission line and/or wireless data transmission lines.
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| CN2009202123142U CN201532390U (en) | 2009-11-13 | 2009-11-13 | Multipoint continuous automatic water quality monitoring device |
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| CN2009202123142U CN201532390U (en) | 2009-11-13 | 2009-11-13 | Multipoint continuous automatic water quality monitoring device |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101915824A (en) * | 2010-08-05 | 2010-12-15 | 哈尔滨工业大学 | Fast inspection device of effluent quality of immersed type membrane pond |
| CN102156100A (en) * | 2011-04-06 | 2011-08-17 | 浙江大学 | Multispectral-based multipoint sampling multiparameter water quality on-line analytical system |
| CN102360004A (en) * | 2011-09-28 | 2012-02-22 | 南京农业大学 | Sampling sensor for monitoring dissolved oxygen concentration of fishpond |
| CN102637003A (en) * | 2012-04-17 | 2012-08-15 | 北京联合大学 | Water pollution monitoring automatic sampling decision making system and sampling device |
| CN102654496A (en) * | 2012-04-27 | 2012-09-05 | 中国水产科学研究院东海水产研究所 | Real-time monitoring device and method of dissolved oxygen in culturing pond water body |
| CN102749101A (en) * | 2012-07-03 | 2012-10-24 | 重庆多邦科技发展有限公司 | Water resource monitoring system |
| CN103245765A (en) * | 2013-04-24 | 2013-08-14 | 北京南风科创应用技术有限公司 | Ocean parameter measuring system |
| CN103293210A (en) * | 2012-02-27 | 2013-09-11 | 上海通环医疗器械有限公司 | On-line detection device of oxidation reduction potential of electrolyzed oxidizing water |
| CN105137014A (en) * | 2014-12-10 | 2015-12-09 | 中国科学院城市环境研究所 | Portable water-quality biological pollution detector |
| CN105628101A (en) * | 2016-01-28 | 2016-06-01 | 成都万江港利科技股份有限公司 | Underground water automatic monitoring system |
| CN106284247A (en) * | 2016-08-29 | 2017-01-04 | 山东胜伟园林科技有限公司 | A kind of irrigation canals and ditches that can monitor salt concentration and water level in real time |
| CN106289874A (en) * | 2016-07-22 | 2017-01-04 | 中国环境科学研究院 | Multi-channel testing well underground water sample collection device and method |
| CN106501476A (en) * | 2016-12-09 | 2017-03-15 | 屈兆辉 | A kind of water quality on-line detecting system |
| CN107966411A (en) * | 2017-12-27 | 2018-04-27 | 北京东方园林环境股份有限公司 | A kind of miniature automatic water quality monitoring quality control system and mark-on reclaims method |
| CN108036970A (en) * | 2017-12-27 | 2018-05-15 | 南京萃智水利科技有限公司 | A kind of water quality detection superficial water effective sampling device and its manufacture and sampling method |
| CN108469506A (en) * | 2018-03-08 | 2018-08-31 | 天津农学院 | Multichannel aquaculture pond water sampling measuring device |
| CN108593560A (en) * | 2017-09-22 | 2018-09-28 | 丁永新 | It can solar power generation, equipment for monitoring Urban River Water turbidity |
| CN113848300A (en) * | 2021-09-10 | 2021-12-28 | 扬州德道市政设计院有限公司 | Intelligent water quality on-line monitoring and early warning system and early warning method thereof |
| CN114636800A (en) * | 2022-04-22 | 2022-06-17 | 中山大学 | Water quality monitoring device and monitoring method thereof |
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2009
- 2009-11-13 CN CN2009202123142U patent/CN201532390U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101915824A (en) * | 2010-08-05 | 2010-12-15 | 哈尔滨工业大学 | Fast inspection device of effluent quality of immersed type membrane pond |
| CN102156100A (en) * | 2011-04-06 | 2011-08-17 | 浙江大学 | Multispectral-based multipoint sampling multiparameter water quality on-line analytical system |
| CN102360004A (en) * | 2011-09-28 | 2012-02-22 | 南京农业大学 | Sampling sensor for monitoring dissolved oxygen concentration of fishpond |
| CN102360004B (en) * | 2011-09-28 | 2014-07-23 | 南京农业大学 | Sampling sensor for monitoring dissolved oxygen concentration of fishpond |
| CN103293210A (en) * | 2012-02-27 | 2013-09-11 | 上海通环医疗器械有限公司 | On-line detection device of oxidation reduction potential of electrolyzed oxidizing water |
| CN102637003A (en) * | 2012-04-17 | 2012-08-15 | 北京联合大学 | Water pollution monitoring automatic sampling decision making system and sampling device |
| CN102654496B (en) * | 2012-04-27 | 2015-04-22 | 中国水产科学研究院东海水产研究所 | Real-time monitoring device and method of dissolved oxygen in culturing pond water body |
| CN102654496A (en) * | 2012-04-27 | 2012-09-05 | 中国水产科学研究院东海水产研究所 | Real-time monitoring device and method of dissolved oxygen in culturing pond water body |
| CN102749101A (en) * | 2012-07-03 | 2012-10-24 | 重庆多邦科技发展有限公司 | Water resource monitoring system |
| CN103245765A (en) * | 2013-04-24 | 2013-08-14 | 北京南风科创应用技术有限公司 | Ocean parameter measuring system |
| CN103245765B (en) * | 2013-04-24 | 2015-12-30 | 北京南风科创应用技术有限公司 | A kind of Oceanic parameter measurement system |
| CN105137014B (en) * | 2014-12-10 | 2017-08-29 | 中国科学院城市环境研究所 | A kind of portable water quality biological pollution detector |
| CN105137014A (en) * | 2014-12-10 | 2015-12-09 | 中国科学院城市环境研究所 | Portable water-quality biological pollution detector |
| CN105628101A (en) * | 2016-01-28 | 2016-06-01 | 成都万江港利科技股份有限公司 | Underground water automatic monitoring system |
| CN106289874A (en) * | 2016-07-22 | 2017-01-04 | 中国环境科学研究院 | Multi-channel testing well underground water sample collection device and method |
| CN106289874B (en) * | 2016-07-22 | 2019-09-24 | 中国环境科学研究院 | Multi-channel testing well underground water sample collecting apparatus and method |
| CN106284247A (en) * | 2016-08-29 | 2017-01-04 | 山东胜伟园林科技有限公司 | A kind of irrigation canals and ditches that can monitor salt concentration and water level in real time |
| CN106501476A (en) * | 2016-12-09 | 2017-03-15 | 屈兆辉 | A kind of water quality on-line detecting system |
| CN108593560A (en) * | 2017-09-22 | 2018-09-28 | 丁永新 | It can solar power generation, equipment for monitoring Urban River Water turbidity |
| CN107966411A (en) * | 2017-12-27 | 2018-04-27 | 北京东方园林环境股份有限公司 | A kind of miniature automatic water quality monitoring quality control system and mark-on reclaims method |
| CN108036970A (en) * | 2017-12-27 | 2018-05-15 | 南京萃智水利科技有限公司 | A kind of water quality detection superficial water effective sampling device and its manufacture and sampling method |
| CN108036970B (en) * | 2017-12-27 | 2023-08-18 | 南京萃智水利科技有限公司 | High-efficiency surface water sampling device for water quality detection and manufacturing and sampling method thereof |
| CN108469506A (en) * | 2018-03-08 | 2018-08-31 | 天津农学院 | Multichannel aquaculture pond water sampling measuring device |
| CN113848300A (en) * | 2021-09-10 | 2021-12-28 | 扬州德道市政设计院有限公司 | Intelligent water quality on-line monitoring and early warning system and early warning method thereof |
| CN114636800A (en) * | 2022-04-22 | 2022-06-17 | 中山大学 | Water quality monitoring device and monitoring method thereof |
| CN114636800B (en) * | 2022-04-22 | 2023-05-09 | 中山大学 | Water quality monitoring device and monitoring method thereof |
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