CN113189290A - Online water quality monitoring device - Google Patents
Online water quality monitoring device Download PDFInfo
- Publication number
- CN113189290A CN113189290A CN202110476967.7A CN202110476967A CN113189290A CN 113189290 A CN113189290 A CN 113189290A CN 202110476967 A CN202110476967 A CN 202110476967A CN 113189290 A CN113189290 A CN 113189290A
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- water quality
- fixedly connected
- sliding
- fixing plate
- monitoring
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B2022/006—Buoys specially adapted for measuring or watch purposes
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- Life Sciences & Earth Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an on-line water quality monitoring device, which comprises a first fixing plate and a monitoring box, wherein the upper end of one side in the monitoring box is fixedly connected with a second fixing plate, a second sliding groove is arranged on one side of the second fixing plate, a second sliding block is arranged on the second sliding groove, the second sliding block is connected with the second sliding chute in a sliding way, the other end of the second sliding block is fixedly connected with the third fixing plate, the invention is provided with a third sliding chute, the third sliding chute slides on the second sliding chute under the driving of the second cylinder through the second sliding block, thereby driving the water quality sensor below the third slide block to move up and down, and a buoy is arranged on the water quality sensor, the buoy is favorable for floating on water when the water quality sensor detects water quality, so that damage caused by soaking the water quality sensor in water for a long time is avoided, and the service life of the water quality sensor is prolonged.
Description
Technical Field
The invention belongs to the technical field of water quality monitoring, and particularly relates to an online water quality monitoring device.
Background
With the increasing population of China and the rapid increase and expansion of the number and the scale of cities, the problem of urban domestic sewage is increasingly serious, the environmental protection is more and more emphasized by the nation, China ranks the environmental protection as a basic national policy and strongly grabs the environmental quality, and is also emphasized by all levels of government departments as the water quality monitoring industry in the field of environmental protection subdivision, the water quality monitoring is to monitor and measure the types of pollutants in water bodies, the concentrations and the variation trends of various pollutants, and the process of evaluating the water quality condition, the bacteriological indexes and sensory character indexes are listed as necessary items under the general condition of the inspection item, other indexes can be selected according to the local water quality condition and the needs, and the water source water, the factory water and part of representative pipe network terminal water are subjected to one-time total analysis every month.
In order to carry out real-time supervision to the quality of water situation, be provided with online water quality monitoring device, need soak in aqueous for a long time during the use of this kind of equipment, lead to the inside intake of monitoring device easily, influence water quality monitoring device's life to lack drying device among the partial monitoring device, the part on the detection device is in humid state for a long time, and ageing leads to damaging with higher speed easily.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art and provide an online water quality monitoring device to solve the problems that part of the online water quality monitoring devices provided in the background art is soaked in water for a long time, so that water is easy to enter the monitoring devices, the service life of the water quality monitoring devices is influenced, and parts on the monitoring devices are in a wet state for a long time due to the lack of drying devices in part of the monitoring devices, so that the parts are easy to age quickly and damage.
In order to achieve the purpose, the invention provides the following technical scheme: an on-line water quality monitoring device comprises a first fixing plate and a monitoring box, wherein a second fixing plate is fixedly connected to the upper end of one side in the monitoring box, a second sliding groove is formed in one side of the second fixing plate, a second sliding block is arranged on the second sliding groove and is in sliding connection with the second sliding groove, the other end of the second sliding block is fixedly connected with a third fixing plate, the third fixing plate is in sliding connection with the second fixing plate through the second sliding block and the second sliding groove, a third sliding groove is formed in one side of the third fixing plate and is in sliding connection with the third sliding block, one end of the third sliding block is located in the third sliding groove, a second connecting support is fixedly connected to the bottom surface of the other end of the third sliding block, the second connecting support is fixedly connected with a buoy, and a water quality sensor is fixedly connected to the bottom surface of the buoy, buoy and water quality sensor pass through second linking bridge, third slider and third spout and third fixed plate sliding connection, the below of third fixed plate is provided with water sample case, the inside top surface of monitoring case is seted up flutedly, the inside thermal-insulated panel that is provided with of recess, thermal-insulated panel and monitoring case fixed connection, thermal-insulated panel and heating element fixed connection, heating element is located the inside of recess.
Preferably, one side position of the below of second fixed plate is provided with water sample case, water sample case fixed connection is in monitoring case's inside bottom one side position, one side bottom position fixedly connected with drain pipe of water sample case's one end, the other end of drain pipe runs through water sample case and monitoring case and is located monitoring case's one side bottom position, one side fixedly connected with suction pump of monitoring case, fixedly connected with connecting pipe on the suction pump, the other end of connecting pipe runs through monitoring case and water sample case and is located the inside of water sample case.
Preferably, the two ends of the second sliding block are fixedly connected with the second cylinder and the second spring respectively, the other ends of the second cylinder and the second spring are fixedly connected to the two ends of the second fixing plate respectively, the second cylinder and the second spring are located inside the second sliding groove, and the second cylinder is located above the second spring.
Preferably, one side of the monitoring box is fixedly connected with a first sliding block, one side of the first fixing plate is provided with a first sliding groove, the first sliding block is located inside the first sliding groove, the first sliding block is connected with the first sliding groove in a sliding mode, and the monitoring box is connected with the first fixing plate in a sliding mode through the first sliding block and the first sliding groove.
Preferably, the two ends of the monitoring box are fixedly connected with a first cylinder and a first spring respectively, the other ends of the first cylinder and the first spring are fixedly connected with the two ends of the first fixing plate respectively, the first cylinder and the first spring are located at the inner position of the first sliding groove, and the first cylinder is located above the first spring.
Preferably, the top surface of first fixed plate and the bottom surface one end position fixed connection of roof, the upper surface one end fixed connection of roof has the dead lever, the other end and the solar panel fixed connection of dead lever, solar panel's the other end and the upper surface one end fixed connection of roof.
Preferably, the included angle between the solar panel and the top plate is 45 degrees.
Preferably, the monitoring box is fixedly connected with two first connecting supports inside, the other ends of the two first connecting supports are respectively and fixedly connected to two ends of one side of the exhaust fan, and the exhaust fan is located on one side of the heating element.
Preferably, the upper end one side position of second fixed plate is provided with the exhaust fan, the exhaust fan is located the top position of water sample case.
Preferably, the drain pipe is fixedly connected with an electromagnetic valve, the electromagnetic valve is located on one side of the monitoring box, and the electromagnetic valve is arranged below the water suction pump.
Compared with the prior art, the invention provides an online water quality monitoring device, which has the following beneficial effects:
1. the water quality sensor is driven by the second cylinder to slide on the second chute through the second sliding block, so that the water quality sensor below the third sliding block is driven to move up and down, the buoy is arranged on the water quality sensor, the buoy is favorable for floating on water when the water quality sensor detects water quality, damage caused by the fact that the water quality sensor is soaked in water for a long time is avoided, and the service life of the water quality sensor is prolonged.
2. According to the invention, the heating element is arranged in the monitoring box, so that the interior of the monitoring box can be dried conveniently, the exhaust fan is arranged on one side of the heating element, hot air can be blown to the interior of the monitoring box conveniently, the drying speed of parts in the monitoring box can be accelerated, and part of parts can be prevented from being damaged in a long-time humid environment.
3. According to the solar energy balance device, the solar panel is arranged above the first fixing plate, and solar energy is utilized to provide energy for the device, so that the solar energy balance device is green and environment-friendly and is beneficial to maintaining ecological balance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the monitoring box according to the present invention;
FIG. 4 is an enlarged schematic view of the structure A proposed by the present invention;
in the figure: 1. a first fixing plate; 2. a first chute; 3. a first slider; 4. a monitoring box; 5. a first cylinder; 6. a first spring; 7. a top plate; 8. fixing the rod; 9. a solar panel; 10. a groove; 11. an insulating panel; 12. a heating element; 13. a first connecting bracket; 14. an exhaust fan; 15. a second fixing plate; 16. a second chute; 17. a second slider; 18. a second cylinder; 19. a second spring; 20. a third fixing plate; 21. a third chute; 22. a third slider; 23. a second connecting bracket; 24. a float; 25. a water quality sensor; 26. a water body sample box; 27. a drain pipe; 28. an electromagnetic valve; 29. a water pump; 30. and (4) connecting the pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an on-line water quality monitoring device comprises a first fixing plate 1 and a monitoring box 4, wherein the upper end of one side inside the monitoring box 4 is fixedly connected with a second fixing plate 15, one side of the second fixing plate 15 is provided with a second sliding chute 16, the second sliding chute 16 is provided with a second sliding block 17, the second sliding block 17 is in sliding connection with the second sliding chute 16, the other end of the second sliding block 17 is fixedly connected with a third fixing plate 20, the third fixing plate 20 is in sliding connection with the second fixing plate 15 through the second sliding block 17 and the second sliding chute 16, one side of the third fixing plate 20 is provided with a third sliding chute 21, the third sliding chute 21 is in sliding connection with a third sliding block 22, one end of the third sliding block 22 is positioned inside the third sliding chute 21, the bottom surface of the other end of the third sliding block 22 is fixedly connected with a second connecting bracket 23, the second connecting bracket 23 is fixedly connected with a buoy 24, and the bottom surface of the buoy 24 is fixedly connected with a water quality sensor 25, buoy 24 and water quality sensor 25 are through second linking bridge 23, third slider 22 and third spout 21 and third fixed plate 20 sliding connection, the below of third fixed plate 20 is provided with water sample case 26, recess 10 has been seted up to the inside top surface of monitoring case 4, the inside thermal-insulated panel 11 that is provided with of recess 10, thermal-insulated panel 11 and monitoring case 4 fixed connection, thermal-insulated panel 11 and heating element 12 fixed connection, heating element 12 is located the inside of recess 10, be convenient for dry monitoring case 4 inside.
In the invention, preferably, a water sample tank 26 is arranged at one side position below the second fixing plate 15, the water sample tank 26 is fixedly connected to one side position of the bottom end inside the monitoring tank 4, the bottom end position of one side of the water sample tank 26 is fixedly connected with one end of a drain pipe 27, the other end of the drain pipe 27 penetrates through the water sample tank 26 and the monitoring tank 4 and is located at the bottom end position of one side of the monitoring tank 4, one side of the monitoring tank 4 is fixedly connected with a water pump 29, the water pump 29 is fixedly connected with a connecting pipe 30, and the other end of the connecting pipe 30 penetrates through the monitoring tank 4 and the water sample tank 26 and is located inside the water sample tank 26, so that water can be conveniently added into the water sample tank 26, and the detection of the water quality sensor 25 is convenient.
In the present invention, preferably, two ends of the second slider 17 are respectively and fixedly connected to the second cylinder 18 and the second spring 19, the other ends of the second cylinder 18 and the second spring 19 are respectively and fixedly connected to two ends of the second fixing plate 15, the second cylinder 18 and the second spring 19 are both located inside the second sliding chute 16, and the second cylinder 18 is located above the second spring 19, which is beneficial to reducing the vibration generated when the third fixing plate 20 moves.
In the invention, preferably, one side of the monitoring box 4 is fixedly connected with a first sliding block 3, one side of the first fixing plate 1 is provided with a first sliding groove 2, the first sliding block 3 is positioned inside the first sliding groove 2, the first sliding block 3 is in sliding connection with the first sliding groove 2, and the monitoring box 4 is in sliding connection with the first fixing plate 1 through the first sliding block 3 and the first sliding groove 2, so that the vibration generated when the monitoring box 4 moves is favorably reduced.
In the invention, preferably, two ends of the monitoring box 4 are respectively and fixedly connected with a first cylinder 5 and a first spring 6, the other ends of the first cylinder 5 and the first spring 6 are respectively and fixedly connected with two ends of the first fixing plate 1, the first cylinder 5 and the first spring 6 are both positioned in the first chute 2, and the first cylinder 5 is positioned above the first spring 6.
In the invention, preferably, the top surface of the first fixing plate 1 is fixedly connected with one end of the bottom surface of the top plate 7, one end of the upper surface of the top plate 7 is fixedly connected with the fixing rod 8, the other end of the fixing rod 8 is fixedly connected with the solar panel 9, and the other end of the solar panel 9 is fixedly connected with one end of the upper surface of the top plate 7.
In the present invention, the angle between the solar panel 9 and the top plate 7 is preferably 45 °.
In the present invention, preferably, two first connecting brackets 13 are fixedly connected to the inside of the monitoring box 4, the other ends of the two first connecting brackets 13 are respectively and fixedly connected to two ends of one side of the exhaust fan 14, and the exhaust fan 14 is located at one side of the heating element 12, so as to facilitate blowing hot air into the monitoring box 4 and accelerating the drying of the parts inside the monitoring box 4.
In the present invention, it is preferable that the exhaust fan 14 is disposed at a position on one side of the upper end of the second fixing plate 15, and the exhaust fan 14 is disposed at a position above the water sample tank 26.
In the present invention, preferably, the drain pipe 27 is fixedly connected with an electromagnetic valve 28, the electromagnetic valve 28 is located at one side position of the monitoring box 4, and the electromagnetic valve 28 is disposed below the water pump 29, so as to control the water sample box 26 to drain water and store water.
The working principle and the using process of the invention are as follows: when the water quality monitoring device is used, the first fixing plate 1 is fixed on the bank of a detection water body, the first air cylinder 5 is controlled to drive the first sliding block 3 to slide on the first sliding groove 2, so that the monitoring box 4 is driven to slide, the lower end of the monitoring box 4 is immersed in water, the detection water body is pumped into the water body sample box 26 through the water suction pump 29, the second sliding block 17 is driven by the second air cylinder 18 to slide downwards, so that the third fixing plate 20 is driven to move downwards, the buoy 24 and the water quality sensor 25 are contacted with the detection water body, the water quality sensor 25 floats on the detection water body under the drive of the buoy 24, after the detection is finished, the second air cylinder 18 drives the second sliding block 17 to slide upwards, so that the water quality sensor 25 is brought out of the water surface, the water quality sensor 25 is prevented from being immersed in water for a long time and damaged, the monitoring box 4 is driven by the first air cylinder 5 to move upwards through the first sliding block 3, so that the water discharge pipe 27 is higher than the water surface, the electromagnetic valve 28 is opened to discharge water in the water body sample box 26, the heating element 12 is arranged in the monitoring box 4, parts in the monitoring box 4 are convenient to dry, the exhaust fan 14 is arranged on one side of the heating element 12, hot air is favorably blown away, the drying speed in the monitoring box 4 is accelerated, and the parts are prevented from being damaged due to the fact that the parts are located in a humid environment for a long time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides an online water quality monitoring device, includes first fixed plate (1) and monitoring box (4), its characterized in that: a second fixing plate (15) is fixedly connected to the upper end of one side in the monitoring box (4), a second sliding groove (16) is formed in one side of the second fixing plate (15), a second sliding block (17) is arranged on the second sliding groove (16), the second sliding block (17) is in sliding connection with the second sliding groove (16), the other end of the second sliding block (17) is fixedly connected with a third fixing plate (20), the third fixing plate (20) is in sliding connection with the second fixing plate (15) through the second sliding block (17) and the second sliding groove (16), a third sliding groove (21) is formed in one side of the third fixing plate (20), the third sliding groove (21) is in sliding connection with a third sliding block (22), one end of the third sliding block (22) is located in the third sliding groove (21), and a second connecting support (23) is fixedly connected to the bottom face of the other end of the third sliding block (22), second linking bridge (23) and buoy (24) fixed connection, the bottom surface fixedly connected with water quality sensor (25) of buoy (24), buoy (24) and water quality sensor (25) are through second linking bridge (23), third slider (22) and third spout (21) and third fixed plate (20) sliding connection, the below of third fixed plate (20) is provided with water sample case (26), the inside top surface of monitoring box (4) is seted up flutedly (10), recess (10) inside is provided with thermal-insulated panel (11), thermal-insulated panel (11) and monitoring box (4) fixed connection, thermal-insulated panel (11) and heating element (12) fixed connection, heating element (12) are located the inside of recess (10).
2. The on-line water quality monitoring device according to claim 1, characterized in that: the utility model discloses a water quality monitoring device, including first fixed plate (15), the below one side position of second fixed plate (15) is provided with water sample case (26), water sample case (26) fixed connection is in inside bottom one side position of monitoring case (4), the one end of one side bottom position fixedly connected with drain pipe (27) of water sample case (26), the other end of drain pipe (27) runs through water sample case (26) and one side bottom position that monitoring case (4) are located monitoring case (4), one side fixedly connected with suction pump (29) of monitoring case (4), fixedly connected with connecting pipe (30) on suction pump (29), the other end of connecting pipe (30) runs through monitoring case (4) and the inside that water sample case (26) are located water sample case (26).
3. The on-line water quality monitoring device according to claim 1, characterized in that: the both ends of second slider (17) respectively with second cylinder (18) and second spring (19) fixed connection, the other end of second cylinder (18) and second spring (19) is fixed connection respectively in the both ends of second fixed plate (15), second cylinder (18) and second spring (19) all are located inside second spout (16), second cylinder (18) are located the top position of second spring (19).
4. The on-line water quality monitoring device according to claim 1, characterized in that: one side fixedly connected with first slider (3) of monitoring case (4), first spout (2) have been seted up to one side of first fixed plate (1), first slider (3) are located the inside of first spout (2), first slider (3) and first spout (2) sliding connection, monitoring case (4) are through first slider (3) and first spout (2) and first fixed plate (1) sliding connection.
5. The on-line water quality monitoring device according to claim 1, characterized in that: the two ends of the monitoring box (4) are fixedly connected with a first cylinder (5) and a first spring (6) respectively, the other ends of the first cylinder (5) and the first spring (6) are fixedly connected with the two ends of a first fixing plate (1) respectively, the first cylinder (5) and the first spring (6) are located in the inner position of a first sliding groove (2), and the first cylinder (5) is located above the first spring (6).
6. The on-line water quality monitoring device according to claim 1, characterized in that: the top surface of first fixed plate (1) and the bottom surface one end fixed connection of roof (7), the upper surface one end fixed connection of roof (7) has dead lever (8), the other end and solar panel (9) fixed connection of dead lever (8), the other end of solar panel (9) and the upper surface one end fixed connection of roof (7).
7. The on-line water quality monitoring device according to claim 6, characterized in that: the included angle between the solar panel (9) and the top plate (7) is 45 degrees.
8. The on-line water quality monitoring device according to claim 1, characterized in that: the inside fixedly connected with of monitoring box (4) is two first linking bridge (13), two the other end of first linking bridge (13) is fixed connection respectively in one side both ends position of exhaust fan (14), exhaust fan (14) are located one side of heating element (12).
9. The on-line water quality monitoring device according to claim 1, characterized in that: the utility model discloses a water body sample box, including second fixed plate (15), the upper end one side position of second fixed plate (15) is provided with exhaust fan (14), exhaust fan (14) are located the top position of water body sample case (26).
10. An on-line water quality monitoring device according to claim 2, characterized in that: fixedly connected with solenoid valve (28) on drain pipe (27), solenoid valve (28) are located one side position of monitoring case (4), the below of suction pump (29) is provided with solenoid valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476967.7A CN113189290A (en) | 2021-04-29 | 2021-04-29 | Online water quality monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476967.7A CN113189290A (en) | 2021-04-29 | 2021-04-29 | Online water quality monitoring device |
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| Publication Number | Publication Date |
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| CN113189290A true CN113189290A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110476967.7A Pending CN113189290A (en) | 2021-04-29 | 2021-04-29 | Online water quality monitoring device |
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| CN (1) | CN113189290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441724A (en) * | 2022-01-24 | 2022-05-06 | 张锦霞 | Hydrology water resource monitoring devices |
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| CN208060502U (en) * | 2018-04-03 | 2018-11-06 | 北京江云伟业科技有限公司 | Quality of groundwater automated watch-keeping facility |
| CN210514287U (en) * | 2019-09-17 | 2020-05-12 | 天津市生态环境监测中心 | Lake water environment monitoring device |
| CN211061021U (en) * | 2019-12-19 | 2020-07-21 | 黄渤 | Ground water level monitoring devices based on wisdom city |
| CN212321597U (en) * | 2020-06-15 | 2021-01-08 | 陕西久扬环保科技有限公司 | Online water quality monitoring device |
| CN212433149U (en) * | 2020-07-01 | 2021-01-29 | 重庆市石柱排水有限责任公司 | Real-time sewage quality detection device |
| CN213041830U (en) * | 2020-07-08 | 2021-04-23 | 广州翔曦能源科技有限公司 | Water pumping type online water quality monitoring buoy |
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2021
- 2021-04-29 CN CN202110476967.7A patent/CN113189290A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208060502U (en) * | 2018-04-03 | 2018-11-06 | 北京江云伟业科技有限公司 | Quality of groundwater automated watch-keeping facility |
| CN210514287U (en) * | 2019-09-17 | 2020-05-12 | 天津市生态环境监测中心 | Lake water environment monitoring device |
| CN211061021U (en) * | 2019-12-19 | 2020-07-21 | 黄渤 | Ground water level monitoring devices based on wisdom city |
| CN212321597U (en) * | 2020-06-15 | 2021-01-08 | 陕西久扬环保科技有限公司 | Online water quality monitoring device |
| CN212433149U (en) * | 2020-07-01 | 2021-01-29 | 重庆市石柱排水有限责任公司 | Real-time sewage quality detection device |
| CN213041830U (en) * | 2020-07-08 | 2021-04-23 | 广州翔曦能源科技有限公司 | Water pumping type online water quality monitoring buoy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114441724A (en) * | 2022-01-24 | 2022-05-06 | 张锦霞 | Hydrology water resource monitoring devices |
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