CN115469076A - Water quality detection system and detection method thereof - Google Patents
Water quality detection system and detection method thereof Download PDFInfo
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- CN115469076A CN115469076A CN202211340843.7A CN202211340843A CN115469076A CN 115469076 A CN115469076 A CN 115469076A CN 202211340843 A CN202211340843 A CN 202211340843A CN 115469076 A CN115469076 A CN 115469076A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a water quality detection system and a detection method thereof, and the water quality detection system comprises a shell, wherein a cavity is fixedly formed in the shell, a fixed shaft is fixedly connected in the shell, the middle part of the surface of the fixed shaft is rotatably connected with a rotating disc, the surface of the rotating disc is fixedly connected with a plurality of connecting rods, and one end of each connecting rod is fixedly connected with a movable blade plate; the surface of the movable blade plate is provided with a sampling assembly for collecting water samples; the water sampling device is characterized in that a detection assembly convenient for detecting a water sample is arranged in the shell, the sampling assembly is arranged for detecting a water body, the movable blade plate is driven to rotate by the flow velocity of water flow, the motion between the cam and the driving rod is utilized to complete the packaging work of the water sealing plate and the water collecting tank, the water bodies with different depths are sampled under the action of the water collecting tanks with different depths and the water sealing plate, and compared with the existing detection equipment, the water sampling device is simple in structure and has better working efficiency.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a water quality detection system and a detection method thereof.
Background
Water is a source of life, and human beings can not boil water in life and production activities. The quality of the water quality is closely related to the industry, agriculture, production safety and human health. However, with the rapid development of the economy and the acceleration of the urbanization process in China, the problem of water environment pollution is becoming more serious, various water quality or water body pollution events are frequent, and the situation of the water environment in China is highlighted. In the water pollution remediation process, the water quality detection technology of the water body is a very important basic technology. Various parameters of the water quality need to be detected by using related instruments or equipment, so that the quality of the water quality can be evaluated.
Current check out test set generally only has the sample function, nevertheless can't take a sample the water of the different degree of depth to water quality testing in the sample process, can't take a sample moreover to the water of the different degree of depth, even can take a sample to the water of the different degree of depth, also can't judge that the water sample that detects is the water sample of which degree of depth, consuming time and power, detection efficiency is low, and is with higher costs.
Disclosure of Invention
The present invention is directed to a water quality detection system and a detection method thereof, so as to solve the problems of the background mentioned above.
In order to achieve the purpose, the invention provides the following technical scheme: a water quality detection system comprises a shell, wherein a cavity is fixedly formed in the shell, a fixed shaft is fixedly connected in the shell, a rotating disc is rotatably connected to the middle of the surface of the fixed shaft, a plurality of connecting rods are fixedly connected to the surface of the rotating disc, and a movable blade plate is fixedly connected to one end of each connecting rod; the surface of the movable blade plate is provided with a sampling assembly for collecting water samples; the inside of casing is provided with the determine module who is convenient for detect the water sample.
Preferably, the sampling subassembly includes the mount, mount and rolling disc fixed connection, a plurality of water catch bowl of fixed surface fixedly connected with of mount, the lower extreme fixedly connected with stopper of mount, the actuating lever is worn to be equipped with by the surface slip of stopper, the fixed surface fixedly connected with cam of fixed axle, cam and actuating lever sliding connection, a plurality of water sealing plates of fixed surface fixedly connected with of actuating lever, water sealing plate and water catch bowl sliding connection, the up end fixed connection of mount has the magnetic block.
Preferably, the detecting component includes the magnetic stripe, a plurality of detection rods are worn to be equipped with by the fixed surface of magnetic stripe, the magnetic stripe is connected with the magnetism of magnetic block, the front side of magnetic stripe is connected with the fixed plate in the fixed surface of detection rod, the front end and the water catch bowl rear side opening sliding connection of detection rod, the detection rod is provided with three groups, is about distributing, the rear portion upside fixedly connected with connecting block of casing, the preceding terminal surface fixedly connected with connection pad of connecting block, first arc wall has been seted up to the fixed surface of connection pad, the inside wall sliding connection of first arc wall has the arc slider, the catch bar is worn to be equipped with by the inside slip of arc slider, the one end of catch bar and the rear side fixed connection of middle part detection rod, the other end fixedly connected with sliding block of catch bar.
Preferably, the top of connecting block and the rear portion upside fixedly connected with arc of casing, the fixed surface of arc has seted up the second arc wall, second arc wall and sliding block sliding connection, be provided with the second spring between the inside wall left part of first arc wall and the arc slider, the equal fixedly connected with of front and back side of arc slider a plurality of cooperation pieces.
Preferably, a first spring is arranged at the joint of the limiting block and the driving rod, the length of the fixing plate is smaller than that of the magnetic stripe, and the length of the second arc-shaped groove is the same as that of the first arc-shaped groove.
Preferably, the movable blade plate is provided with six groups, the movable blade plate is made of natural high polymer, and the inner side wall of the second arc-shaped groove is in an arc trapezoid shape which facilitates control of the sliding block to move back and forth.
Preferably, the two groups of fixing frames are arranged symmetrically up and down along the fixing shaft, and the cam is in a disc shape with a variable diameter.
The invention also provides a water quality detection method, which comprises the following steps:
step 1: the water quality detection system is placed at a water inlet above a water pool, the rotation of the movable blade plate is controlled through water flow, and the movable blade plate drives the rotating disc to rotate through a connecting rod;
and 2, step: the rotating disc drives the fixing frame to rotate, the fixing frame controls the water collecting tank to rotate, the water collecting tank collects water, the fixing frame drives the driving rod to rotate, and the water sealing plate is controlled by the cam to close the water collecting tank, so that the water is collected;
and 3, step 3: when the mount drove the water catch bowl and rotates to the top, the measuring bar inserted the water catch bowl rear side opening and carries out water quality testing, and the magnetism connection control catch bar through magnetism piece and fixed plate is following the rotation, through the separation of the inside wall circular arc trapezoidal form control measuring bar of second arc wall and water catch bowl, has accomplished the sampling monitoring work to the water so far.
Preferably, when step 2 is taken a sample to the water, the back end opening of the water collecting tank is provided with a rubber pad which avoids the water leakage and has a cross shape.
Preferably, after the detection rod in the step 3 detects the water body, the arc-shaped sliding block is pulled by the second spring to reset the detection rod.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the sampling assembly is arranged to detect the water body, the movable blade plate is driven to rotate by the flow velocity of water flow, the motion between the cam and the driving rod is utilized to complete the packaging work of the water sealing plate and the water collecting tank, and the sampling of the water bodies with different depths is realized under the action of the water collecting tanks with different depths and the water sealing plate;
2. according to the invention, the detection assembly is used for detecting the sampled water body, the detection assembly is driven by the magnetism of the magnetic block above the connecting frame to detect the water in the water collecting tank, and the arc ladder-shaped inner side wall of the second arc-shaped groove is used for controlling the detection rod to move back and forth and left and right, so that the water body is detected in the sampling process, the working efficiency is improved, and the workload in the subsequent manual detection is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a water quality detecting system according to the present invention; (ii) a
Fig. 2 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 3 is a schematic view of a sampling assembly according to the present invention;
FIG. 4 is a schematic structural diagram of a detecting assembly according to the present invention;
FIG. 5 is a cross-sectional view of a sensing assembly according to the present invention;
FIG. 6 is a schematic view showing the connection relationship between the magnetic stripe, the fixing plate and the detection rod according to the present invention;
FIG. 7 is a schematic view of the connection relationship between the second spring and the arc-shaped slider according to the present invention;
FIG. 8 is a flow chart of the steps of a water quality detecting method according to the present invention;
in the figure: 1. a housing; 2. a fixed shaft; 3. rotating the disc; 4. a connecting rod; 5. a loose leaf plate; 6. a cavity; 100. a sampling assembly; 101. a cam; 102. a drive rod; 103. a water sealing plate; 104. a water collection tank; 105. a fixed mount; 106. a first spring; 107. a limiting block; 108. a magnetic block; 200. a detection component; 201. a detection lever; 202. a magnetic strip; 203. a fixing plate; 204. a slider; 205. connecting the disc; 206. a first arc-shaped slot; 207. an arc-shaped plate; 208. a second arc-shaped slot; 209. a matching block; 210. connecting blocks; 211. a second spring; 212. a push rod; 213. an arc-shaped sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the embodiments of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a water quality detection system comprises a shell 1, wherein a cavity 6 is fixedly formed in the shell 1, a fixed shaft 2 is fixedly connected in the shell 1, a rotating disc 3 is rotatably connected to the middle of the surface of the fixed shaft 2, a plurality of connecting rods 4 are fixedly connected to the surface of the rotating disc 3, and a movable blade plate 5 is fixedly connected to one end of each connecting rod 4; the surface of the movable blade plate 5 is provided with a sampling assembly 100 for collecting water samples; the inside of casing 1 is provided with the determine module 200 that is convenient for detect the water sample.
The sampling assembly 100 comprises a fixing frame 105, the fixing frame 105 is fixedly connected with the rotating disc 3, a plurality of water collecting grooves 104 are fixedly connected to the surface of the fixing frame 105, a limiting block 107 is fixedly connected to the lower end of the fixing frame 105, a driving rod 102 is arranged on the surface of the limiting block 107 in a sliding mode, a cam 101 is fixedly connected to the surface of the fixing shaft 2, the cam 101 is slidably connected with the driving rod 102, a plurality of water sealing plates 103 are fixedly connected to the surface of the driving rod 102, the water sealing plates 103 are slidably connected with the water collecting grooves 104, and a magnetic block 108 is fixedly connected to the upper end face of the fixing frame 105.
The top of connecting block 210 and the rear portion upside fixedly connected with arc 207 of casing 1, the fixed surface of arc 207 has seted up second arc wall 208, second arc wall 208 and sliding block 204 sliding connection are provided with second spring 211 between the inside wall left part of first arc wall 206 and arc slider 213, a plurality of cooperation pieces 209 of the equal fixedly connected with of front and back side of arc slider 213.
Furthermore, the first spring 106 is arranged at the joint of the limiting block 107 and the driving rod 102, the length of the fixing plate 203 is smaller than that of the magnetic strip 202, and the length of the second arc-shaped groove 208 is the same as that of the first arc-shaped groove 206, so that the portability of the device is effectively improved.
Furthermore, six sets of flap plates 5 are provided, the flap plates 5 are made of natural high polymer, and the inner side wall of the second arc-shaped groove 208 is in an arc ladder shape for facilitating control of the sliding block 204 to move back and forth.
More specifically, the fixing frames 105 are provided in two sets, which are vertically symmetrically arranged along the fixing shaft 2, and the cam 101 has a disk shape with a varying diameter.
A water quality detection method comprises the following steps:
step 1: the water quality detection system is placed at a water inlet above a water pool, the rotation of the movable blade plate 5 is controlled through water flow, and the movable blade plate 5 drives the rotating disc 3 to rotate through the connecting rod 4;
step 2: the rotating disc 3 drives the fixing frame 105 to rotate, the fixing frame 105 controls the water collecting tank 104 to rotate, the water collecting tank 104 collects water, the fixing frame 105 drives the driving rod 102 to rotate, the water sealing plate 103 is controlled by the cam 101 to close the water collecting tank 104, and therefore water collection is completed;
and 3, step 3: when the fixing frame 105 drives the water collecting tank 104 to rotate to the upper side, the detection rod 201 is inserted into the rear opening of the water collecting tank 104 to detect the water quality, the magnetic connection of the magnetic block 108 and the fixing plate 203 controls the push rod 212 to rotate, the separation of the detection rod 201 and the water collecting tank 104 is controlled through the arc trapezoid shape of the inner side wall of the second arc-shaped groove 208, and the sampling and monitoring work on the water body is completed.
More closely, when step 2 is taken a sample to the water, the rear end opening setting of water catch bowl 104 avoids the water seepage to have the rubber pad of cross type.
Further, after the detection rod 201 completes the detection of the water body in step 3, the arc-shaped sliding block 213 is pulled by the second spring 211 to complete the resetting of the detection rod 201.
The working principle is as follows: the water quality detection system is placed at a water inlet above a water pool, the rotation of a movable blade plate 5 is controlled through the flow of water, the movable blade plate 5 drives a connecting rod 4 fixedly connected with the movable blade plate 5 to rotate, the connecting rod 4 drives a rotating disc 3 fixedly connected with the connecting rod 4 to rotate, the rotating disc 3 drives a fixing frame 105 to rotate, a water collecting tank 104 also rotates along with the rotating disc, a groove in the water collecting tank 104 collects the water, the fixing frame 105 drives a driving rod 102 to rotate through a limiting block 107, when the lower end of the driving rod 102 slides to a protruding end of a cam 101, the driving rod 102 controls a water sealing plate 103 to move, the water sealing plate 103 slides to the surface of the water collecting tank 104, and then the sampling of water bodies with different depths is completed;
when the fixing frame 105 rotates to the upside, the detection rod 201 is inserted into the groove through the rear side port of the water collecting tank 104 to detect the water body, the magnetic block 108 moves along with the magnetic control fixing plate 203, the water flow control fixing frame 105 continues to rotate, the detection rod 201 finishes the separation from the water collecting tank 104 under the arrangement of the arc trapezoidal shape of the inner side wall of the second arc-shaped groove 208, the sliding block 204 controls the detection rod 201 to reset under the action of the second spring 211, the driving rod 102 slides downwards under the action of gravity, the water sealing plate 103 slides downwards along with the downward movement, the water body in the water collecting tank 104 flows outwards, the water quality detection at different depths is finished, and the water flow control sampling assembly 100 and the detection assembly 200 perform the next group of water quality sampling detection.
In the description of the present invention, the terms "first", "second", "another", and "yet" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A water quality detection system, includes casing (1), its characterized in that: a cavity (6) is fixedly formed in the shell (1), a fixed shaft (2) is fixedly connected in the shell (1), a rotating disc (3) is rotatably connected to the middle of the surface of the fixed shaft (2), a plurality of connecting rods (4) are fixedly connected to the surface of the rotating disc (3), and a movable blade plate (5) is fixedly connected to one end of each connecting rod (4);
the surface of the movable blade plate (5) is provided with a sampling assembly (100) for collecting water samples;
the inside of casing (1) is provided with be convenient for detect subassembly (200) that detect the water sample.
2. A water quality detection system according to claim 1, wherein: sampling subassembly (100) includes mount (105), mount (105) and rolling disc (3) fixed connection, the fixed surface of mount (105) is connected with a plurality of water catch bowl (104), the lower extreme fixedly connected with stopper (107) of mount (105), actuating lever (102) are worn to be equipped with by the surface slip of stopper (107), the fixed surface of fixed axle (2) is connected with cam (101), cam (101) and actuating lever (102) sliding connection, the fixed surface of actuating lever (102) is connected with a plurality of water board (103), water board (103) and water catch bowl (104) sliding connection, the up end fixed connection of mount (105) has magnetic block (108).
3. A water quality detection system according to claim 2, wherein: detection subassembly (200) include magnetic stripe (202), a plurality of detection pole (201) are worn to be equipped with by the fixed surface of magnetic stripe (202), magnetic stripe (202) are connected with magnetism piece (108) magnetism, the fixed surface in detection pole (201) of the front side of magnetic stripe (202) is connected with fixed plate (203), the front end and the water catch bowl (104) rear side opening sliding connection of detection pole (201), detection pole (201) are provided with three groups, distribute about being, the rear portion upside fixedly connected with connecting block (210) of casing (1), the preceding terminal surface fixedly connected with connection pad (205) of connecting block (210), first arc wall (206) have been seted up to the fixed surface of connection pad (205), the inside wall sliding connection of first arc wall (206) has arc slider (213), catch bar (212) are worn to be equipped with by the inside sliding of arc slider (213), the one end of catch bar (212) and the rear side fixed connection of middle part detection pole (201), the other end fixedly connected with sliding block (204) of catch bar (212).
4. A water quality detection system according to claim 3 wherein: the top of connecting block (210) and rear portion upside fixedly connected with arc (207) of casing (1), second arc wall (208) have been seted up to the fixed surface of arc (207), second arc wall (208) and sliding block (204) sliding connection, be provided with second spring (211) between the inside wall left part of first arc wall (206) and arc slider (213), a plurality of cooperation pieces (209) of the equal fixedly connected with of front and back side of arc slider (213).
5. A water quality detection system according to claim 4, wherein: a first spring (106) is arranged at the joint of the limiting block (107) and the driving rod (102), the length of the fixing plate (203) is smaller than that of the magnetic strip (202), and the length of the second arc-shaped groove (208) is the same as that of the first arc-shaped groove (206).
6. A water quality detection system according to claim 5, wherein: six groups of movable blade plates (5) are arranged, the movable blade plates (5) are made of natural high polymer, and the inner side walls of the second arc-shaped grooves (208) are arc-shaped ladders which are convenient for controlling the sliding blocks (204) to move back and forth.
7. A water quality detection system according to claim 6, wherein: the fixing frames (105) are arranged in two groups and are symmetrically arranged up and down along the fixing shaft (2), and the cam (101) is in a disc shape with a variable diameter.
8. A water quality detecting method according to claims 1 to 7, characterized in that:
step 1: the water quality detection system is placed at a water inlet above a water pool, the rotation of the movable blade plate (5) is controlled through water flow, and the movable blade plate (5) drives the rotating disc (3) to rotate through the connecting rod (4);
step 2: the rotating disc (3) drives the fixing frame (105) to rotate, the fixing frame (105) controls the water collecting tank (104) to rotate, the water body is collected by the water collecting tank (104), the fixing frame (105) drives the driving rod (102) to rotate, the water sealing plate (103) is controlled by the cam (101) to close the water collecting tank (104), and therefore the water body is collected;
and step 3: when mount (105) drive water catch bowl (104) and rotate to the top, detection pole (201) insert water catch bowl (104) rear end opening and carry out water quality testing, magnetism connection control catch bar (212) through magnetism piece (108) and fixed plate (203) and then rotate, the separation of inside wall circular arc trapezoidal form control detection pole (201) through second arc wall (208) and water catch bowl (104), the sampling monitoring work to the water has so far been accomplished.
9. A water quality detecting method according to claim 8, characterized in that: and when the step 2 is used for sampling the water body, a cross-shaped rubber pad for avoiding water body leakage is arranged at the opening at the rear end of the water collecting tank (104).
10. A water quality detecting method according to claim 9, characterized in that: and in the step 3, after the detection rod (201) completes the detection of the water body, the arc-shaped sliding block (213) is pulled by the second spring (211) to complete the reset of the detection rod (201).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211340843.7A CN115469076B (en) | 2022-10-29 | 2022-10-29 | Water quality detection system and detection method thereof |
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| CN202211340843.7A CN115469076B (en) | 2022-10-29 | 2022-10-29 | Water quality detection system and detection method thereof |
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| CN115469076A true CN115469076A (en) | 2022-12-13 |
| CN115469076B CN115469076B (en) | 2023-06-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215910468U (en) * | 2021-08-13 | 2022-02-25 | 常州市东丹自动化科技有限公司 | Intelligent sewage on-line detection device |
| JP2022035919A (en) * | 2020-08-20 | 2022-03-04 | 曾峰 | Water sampling device for river channel water quality inspection |
| CN216387021U (en) * | 2021-10-21 | 2022-04-26 | 广西昂云海绵城市建设有限公司 | Water quality testing device based on ecological environmental protection of wisdom supervision |
| CN114609130A (en) * | 2022-03-07 | 2022-06-10 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Water quality detection system and detection method |
| CN216955989U (en) * | 2022-02-27 | 2022-07-12 | 张学为 | Water quality monitoring device for environmental engineering |
| CN216978474U (en) * | 2022-03-18 | 2022-07-15 | 刘泽明 | Water quality monitoring device that river course management was used |
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2022
- 2022-10-29 CN CN202211340843.7A patent/CN115469076B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022035919A (en) * | 2020-08-20 | 2022-03-04 | 曾峰 | Water sampling device for river channel water quality inspection |
| CN215910468U (en) * | 2021-08-13 | 2022-02-25 | 常州市东丹自动化科技有限公司 | Intelligent sewage on-line detection device |
| CN216387021U (en) * | 2021-10-21 | 2022-04-26 | 广西昂云海绵城市建设有限公司 | Water quality testing device based on ecological environmental protection of wisdom supervision |
| CN216955989U (en) * | 2022-02-27 | 2022-07-12 | 张学为 | Water quality monitoring device for environmental engineering |
| CN114609130A (en) * | 2022-03-07 | 2022-06-10 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Water quality detection system and detection method |
| CN216978474U (en) * | 2022-03-18 | 2022-07-15 | 刘泽明 | Water quality monitoring device that river course management was used |
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