CN216386419U - Hydrology water resource data acquisition detection device - Google Patents
Hydrology water resource data acquisition detection device Download PDFInfo
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- CN216386419U CN216386419U CN202122467117.9U CN202122467117U CN216386419U CN 216386419 U CN216386419 U CN 216386419U CN 202122467117 U CN202122467117 U CN 202122467117U CN 216386419 U CN216386419 U CN 216386419U
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Abstract
The utility model discloses a hydrology and water resource data acquisition and detection device, which comprises a support, a water body surface monitoring device, an underwater sampling device and a power supply device, wherein the underwater sampling device is movably arranged above the water body surface monitoring device through the support; the power supply device is arranged above the bracket and is connected with the water body surface monitoring device and the underwater sampling device; the water surface monitoring device contains suspension board, water quality monitoring appearance and gravity device, sampling device contains screw rod, slide bar, mobile device, detects the part under water, this a hydrology water resource data acquisition and detection device can be when monitoring the water surface to the quality of water of the different degree of depth take a sample, multiple measurement demand can be satisfied, need not to change equipment, high durability and convenient use, and owing to be provided with solar panel and battery, do not receive the restriction of electric power, can be used to any place, the applied environment is not restricted, be applicable to the monitoring of various demands.
Description
Technical Field
The utility model relates to the technical field of water resource monitoring equipment, in particular to a hydrology and water resource data acquisition and detection device.
Background
Hydrology, which refers to various phenomena of water change, movement, etc. in nature; the water resource refers to a water source which is possibly utilized or can be utilized, and the water source has enough quantity and proper quality and meets the requirement of specific utilization in a certain place for a period of time; different from other natural resources, the water resource is renewable resource and can be repeatedly used; the change of the annual and annual quantity occurs, and the method has a certain period and rule; the form of storage and the course of movement are influenced by natural geographic factors and human activities.
In order to ensure the cleanness of water resources, hydrology water resources are monitored and collected, corresponding monitoring/detecting equipment is usually selected according to different water area environments and different detection or monitoring requirements, the existing monitoring/detecting equipment is single in function, one equipment cannot meet multiple detection requirements, the detection requirements for different hydrology water resources are realized by replacing different detecting equipment, more equipment is needed, and the use is inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a hydrology and water resource data acquisition and detection device which comprises multiple detection and monitoring functions and solves the technical problems that the hydrology and water resource data acquisition and detection device can be realized only by replacing different detection equipment under different detection requirements, more equipment is needed, and the use is inconvenient.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device comprises a bracket 3, a water body surface monitoring device 1, an underwater sampling device 2 and a power supply device 4, wherein the underwater sampling device 2 is movably arranged above the water body surface monitoring device 1 through the bracket 3; the power supply device 4 is arranged above the bracket 3 and is connected with the water body surface monitoring device 1 and the underwater sampling device 2; the water body surface monitoring device 1 comprises a suspension plate 11, water quality monitors 12 and a gravity device 13, wherein telescopic rods 14 are arranged between the suspension plate 11 and the gravity device 13, the suspension plate 11 is fixedly connected to the telescopic rods 14, 4 telescopic rods 14 are arranged for ensuring the balance of the suspension plate 11, and the water quality monitors 12 penetrate through the suspension plate 11 and are arranged in a sealed box 15 above the suspension plate 11; the suspension plate is connected with a screw rod of a seal box 15, and a mounting rod 16 connected with the bracket 3 is arranged above the seal box 15; the mounting rod 16 is fixedly connected with the seal box 15, and the mounting rod 16 is used for connecting a support.
The underwater sampling device 2 comprises a screw rod 21, a slide rod 22, a moving device 23 and an underwater detection part 24, wherein the screw rod 21 and the slide rod 22 are arranged in parallel, the left ends of the screw rod 21 and the slide rod 22 are fixed on a stop block 25 in an flush manner, the moving device 23 is respectively sleeved above the screw rod 21 and the slide rod 22 with the screw rod 21 and the slide rod 22, the moving device 23 can freely move on the screw rod 21 and the slide rod 22, a rotating shaft 231 is arranged on the moving device 23, a fixed seat of the rotating shaft 231 is fixedly connected on the moving device, a rope 232 connected with the underwater detection part 24 is wound on the rotating shaft 231, one end of the rotating shaft 231 is connected with a motor 233, the motor 233 drives the rotating shaft 231 to rotate, so that the rope is stretched, the underwater detection part 24 is stretched, a limiting rod 234 is vertically and fixedly arranged on the moving device 23, and the limiting rod 234 is connected with the underwater detection part 24 in a sliding manner; the underwater detection part 24 is guaranteed not to be affected by water flow and offset in water, so that the underwater detection part is always vertical downwards, and the detection data is guaranteed not to be affected by external factors, the underwater detection part 24 comprises a fixing frame 241, a sampling cup 242 and a balancing weight 243, the sampling cup 242 is installed on the fixing frame 241 through a fixing clamp, the balancing weight 243 is installed below the fixing frame 241 and welded in a frame below the fixing frame, and the upper part of the fixing frame 241 is connected with a rope 232; the rope 232 is tied on the fixing frame 241 in a mode of arranging a mounting hole in the fixing frame 241 or welding a hoisting ring, the electromagnetic valve 244 is arranged above the sampling cup 242, the guide pipe is hermetically connected above the sampling cup 242, and the electromagnetic valve 244 is arranged on the guide pipe;
the power supply device 4 comprises a power supply box 41, a solar panel 42 is fixedly connected to the upper portion of the power supply box 41 through threads, a storage battery 43 is fixedly installed below the solar panel 42, a driving motor 44 is installed inside the power supply box 41, the output end of the driving motor 44 is fixedly connected with a screw 21 penetrating through the power supply box 41, the screw 21 is driven to rotate through the rotation of the driving motor 44, and a control box 5 is installed at the rear end of the power supply box 41;
further, support 3 contains bracing piece 31, backup pad 32 and supporting seat 33, the bracing piece top is equipped with backup pad 32, can adopt welding or screw connection, backup pad 32 below front end is equipped with ultrasonic wave liquid level appearance 34, backup pad 32 top is equipped with supporting seat 33, supporting seat 33 movable mounting screw rod 21, guarantee that screw rod 21 can freely remove in the supporting seat, fixed mounting slide bar 22, can adopt screw thread or welded connection, the bracing piece rotates installation water surface monitoring device 1, the support still contains the strengthening rib 35 of joint support 31 and backup pad 32, a holding power for strengthening the support.
Further, a water pressure sensor 245 and a flow rate sensor 246 are arranged below the underwater sampling device 2, so that the speed and the pressure of the water flow can be detected while underwater sampling is performed.
Furthermore, the sampling cups 242 are arranged in a plurality of numbers, the sampling cups with different numbers are arranged according to different depths, the electromagnetic valves 244 are in one-to-one correspondence with the sampling cups 242 and are connected in series, namely, one electromagnetic valve 244 is arranged above each sampling cup 242 and is connected in series, and the limiting rod 234 is provided with scale marks, so that the water sample depth can be clearly read.
Further, the water surface monitoring device 1 is further provided with an air bag 17, the air bag 17 is bonded below the gravity device 13, the air bag 17 is connected with an air pipe 18, the air pipe 18 leads to the upper portion of the suspension plate 11, and an air valve 19 is arranged above the air pipe 18.
Further, water surface monitoring device 1 still is equipped with fan blade 20, and fan blade 20 locates between suspension 11 and seal box 15, and the welding of the bottom of fan blade 20 has the runing rest 111 of protection water quality monitoring appearance 12, and the runing rest can set up to the square also can set up to the spiral, and the fan blade rotates under the effect of rivers, drives the runing rest rotation, and the purpose is in avoiding impurity to adhere to on water quality monitoring appearance 12.
Furthermore, a raised shaft is arranged at the upper end of the mounting rod 16, a groove matched with the projection at the upper end of the mounting rod 16 is formed in the lower end of the supporting rod 31, the upper end of the mounting rod 16 is inserted into the groove, the mounting rod 16 and the supporting rod 31 are limited and fixed through a fastening screw, and the supporting rod can be fixed in the mounting rod in a clamping mode through the fastening screw after rotating randomly.
Further, the water surface monitoring device 1 is further provided with support legs 112, the support legs 112 are arranged below the gravity device 13 for supporting, and the gravity device is prevented from being attached to the water bottom.
Furthermore, the solar panel 42 is connected to a storage battery 43 through a wire, the storage battery 43 is connected to the control box 5 through a wire, and the control box is connected to a component to be controlled through a wire.
Compared with the prior art, the hydrology and water resource data acquisition and detection device has the beneficial effects that:
1. this hydrology water resource data acquisition detection device is owing to be provided with water surface monitoring device, sampling device can take a sample to the quality of water of the different degree of depth when monitoring the water surface under water, and is multiple functional.
2. This hydrology water resource data acquisition detection device is owing to be provided with solar panel and battery, does not receive the restriction of electric power, can be used to any place, and the range of application is wide.
3. This hydrology water resource data acquisition detection device is owing to be provided with screw rod, mobile device and pivoted support, can adjust measuring distance and position, and the waters of different distances, different positions can be monitored to near-step.
4. This hydrology water resource data acquisition detection device is owing to be provided with water pressure sensor, and velocity of flow sensor and ultrasonic wave liquid level appearance can satisfy multiple measurement demand, need not to change equipment, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the water surface monitoring device, the bracket and the power supply device of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the FIG. 1 structure of the present invention;
shown in the figure: 1. a water body surface monitoring device; 2. an underwater sampling device; 3. a support; 4. a power supply device; 5. a control box; 11. a suspension plate; 12. a water quality monitor; 13. a gravity device; 14. a telescopic rod; 15. a sealing box; 16. mounting a rod; 17. an air bag; 18. an air tube; 19. an air valve; 20. a fan blade; 111. rotating the bracket; 112. a support leg; 21. a screw; 22. a slide bar; 23. a mobile device; 24. an underwater detection component; 25. a stopper; 231. a rotating shaft; 232. a rope; 233. a motor; 234. a limiting rod; 241. a fixed mount; 242. a sampling cup; 243. a balancing weight; 244. an electromagnetic valve; 245. a water pressure sensor; 246. a flow rate sensor; 31. a support bar; 32. a support plate; 33. a supporting seat; 34. an ultrasonic liquid level meter; 35. reinforcing ribs; 41. a power supply box; 42. a solar panel; 43. a storage battery; 44. a drive motor;
Detailed Description
The present invention is described in further detail by the following examples, and it is apparent that the described examples are only a part of the examples of the present invention, and not all of the examples. 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. 1-2, the utility model provides a technical scheme that a hydrology and water resource data acquisition and detection device comprises a support 3, a water body surface monitoring device 1, an underwater sampling device 2 and a power supply device 4, wherein the underwater sampling device 2 is movably arranged above the water body surface monitoring device 1 through the support 3; the power supply device 4 is arranged above the bracket 3 and is connected with the water body surface monitoring device 1 and the underwater sampling device 2; the water body surface monitoring device 1 comprises a suspension plate 11, water quality monitors 12 and a gravity device 13, wherein telescopic rods 14 are arranged between the suspension plate 11 and the gravity device 13, the suspension plate 11 is fixedly connected to the telescopic rods 14, 4 telescopic rods 14 are arranged for ensuring the balance of the suspension plate 11, and the water quality monitors 12 penetrate through the suspension plate 11 and are arranged in a sealed box 15 above the suspension plate 11; the suspension plate is connected with a screw rod of a seal box 15, and a mounting rod 16 connected with the bracket 3 is arranged above the seal box 15; the mounting rod 16 is fixedly connected with the seal box 15, and the mounting rod 16 is used for connecting a support.
The underwater sampling device 2 comprises a screw rod 21, a slide rod 22, a moving device 23 and an underwater detection part 24, wherein the screw rod 21 and the slide rod 22 are arranged in parallel, the left ends of the screw rod 21 and the slide rod 22 are fixed on a stop block 25 in an flush manner, the moving device 23 is respectively sleeved above the screw rod 21 and the slide rod 22 with the screw rod 21 and the slide rod 22, the moving device 23 can freely move on the screw rod 21 and the slide rod 22, a rotating shaft 231 is arranged on the moving device 23, a fixed seat of the rotating shaft 231 is fixedly connected on the moving device, a rope 232 connected with the underwater detection part 24 is wound on the rotating shaft 231, one end of the rotating shaft 231 is connected with a motor 233, the motor 233 drives the rotating shaft 231 to rotate, so that the rope is stretched, the underwater detection part 24 is stretched, a limiting rod 234 is vertically and fixedly arranged on the moving device 23, and the limiting rod 234 is connected with the underwater detection part 24 in a sliding manner; the underwater detection part 24 is guaranteed not to be affected by water flow and offset in water, so that the underwater detection part is always vertical downwards, and the detection data is guaranteed not to be affected by external factors, the underwater detection part 24 comprises a fixing frame 241, a sampling cup 242 and a balancing weight 243, the sampling cup 242 is installed on the fixing frame 241 through a fixing clamp, the balancing weight 243 is installed below the fixing frame 241 and welded in a frame below the fixing frame, and the upper part of the fixing frame 241 is connected with a rope 232; the rope 232 is tied on the fixing frame 241 in a mode of arranging a mounting hole in the fixing frame 241 or welding a hoisting ring, the electromagnetic valve 244 is arranged above the sampling cup 242, the guide pipe is hermetically connected above the sampling cup 242, and the electromagnetic valve 244 is arranged on the guide pipe;
the power supply device 4 comprises a power supply box 41, a solar panel 42 is fixedly connected to the upper portion of the power supply box 41 through threads, a storage battery 43 is fixedly installed below the solar panel 42, a driving motor 44 is installed inside the power supply box 41, the output end of the driving motor 44 is fixedly connected with a screw 21 penetrating through the power supply box 41, the screw 21 is driven to rotate through the rotation of the driving motor 44, and a control box 5 is installed at the rear end of the power supply box 41;
further, the support 3 comprises a support rod 31, a support plate 32 and a support seat 33, the support plate 32 is arranged above the support rod and can be connected by welding or screws, an ultrasonic liquid level meter 34 is arranged at the front end below the support plate 32, the support seat 33 is arranged above the support plate 32, the support seat 33 is movably provided with a screw 21 to ensure that the screw 21 can freely move in the support seat, a slide rod 22 is fixedly arranged and can be connected by threads or welding, the support rod is rotatably provided with the water surface monitoring device 1, and the support further comprises a reinforcing rib 35 for connecting the support rod 31 and the support plate 32 and used for reinforcing the supporting force of the support;
further, a water pressure sensor 245 and a flow rate sensor 246 are arranged below the underwater sampling device 2, so that the speed and the pressure of water flow can be detected while underwater sampling is carried out;
furthermore, a plurality of sampling cups 242 are provided, different numbers of sampling cups are provided according to different depths, the electromagnetic valves 244 are connected in series with the sampling cups 242 in a one-to-one correspondence manner, that is, one electromagnetic valve 244 is provided above each sampling cup 242, and the electromagnetic valves are connected in series, and the limiting rod 234 is provided with scale marks, so that the depth of a water sample can be clearly read;
further, the water surface monitoring device 1 is also provided with an air bag 17, the air bag 17 is bonded below the gravity device 13, the air bag 17 is connected with an air pipe 18, the air pipe 18 leads to the upper part of the suspension plate 11, and an air valve 19 is arranged above the air pipe 18;
further, the water surface monitoring device 1 is further provided with a fan blade 20, the fan blade 20 is arranged between the suspension plate 11 and the seal box 15, a rotating bracket 111 for protecting the water quality monitor 12 is welded at the bottom of the fan blade 20, the rotating bracket can be set to be square or spiral, and the fan blade rotates under the action of natural wind to drive the rotating bracket to rotate, so that impurities are prevented from being attached to the water quality monitor 12;
furthermore, a raised shaft is arranged at the upper end of the mounting rod 16, a groove matched with the projection at the upper end of the mounting rod 16 is arranged at the lower end of the supporting rod 31, the upper end of the mounting rod 16 is inserted into the groove, the mounting rod 16 and the supporting rod 31 are limited and fixed by a fastening screw, and the supporting rod can be fixed in a top clamping mode by the fastening screw after being rotated freely in the mounting rod;
further, the water surface monitoring device 1 is further provided with support legs 112, wherein the support legs 112 are arranged below the gravity device 13 for supporting, so that the gravity device is prevented from being attached to the water bottom;
further, the solar panel 42 is connected with a storage battery 43 through a wire, the storage battery 43 is connected with the control box 5 through a wire, and the control box is connected with a component to be controlled through a wire;
the working principle is as follows: when the device is used, the solar panel is connected with the storage battery to provide electric energy for all electric equipment, when the surface of a water body needs to be monitored, the gravity device is put into the water to be monitored, the gravity device falls into the water bottom under the action of gravity and is supported by the support legs to prevent the gravity device from being attached to the water bottom, the gravity device floats on the water surface through the telescopic suspension plate of the telescopic rod, so that the monitoring can be carried out in water areas with different depths, the water quality monitor connected with the suspension plate is used for monitoring, the fan blades rotate under the influence of natural wind to drive the rotary bracket to rotate to prevent impurities from being attached to the water quality detector, when the water quality with different depths and different directions needs to be monitored, the underwater sampling device above the water surface monitoring device is started, the driving motor is controlled to rotate, the position of the moving device is adjusted, then the motor is controlled to rotate, so as to drive the rotating shaft to rotate, make the rope fall, the rope is downward under the effect of balancing weight, because detect part and gag lever post swing joint under water, so detect part under water does not receive rivers influence perpendicularly downwards, stop after reacing the appointed degree of depth through the scale on the gag lever post, the sample cup is taken a sample, water pressure sensor and velocity of flow sensor pass into the control box with data in, after the measurement finishes, the control motor reversal, tighten up the rope, pack up detect part under water, will take a sample cup and take off and detect, need the change direction to supervise time measuring, only need to carry out the fastening screw between monitoring with support and water surface and unscrew, can the arbitrary direction rotate, so that measure quality of water on every side. The ultrasonic liquid level meter on the supporting plate can be detected through the control box at any time in the whole working process.
After the detection is finished, an air valve on the water body surface monitoring device is opened to fill air into the air bag through an air pipe, the buoyancy is increased when the air bag is expanded, an upward buoyancy is provided for the gravity device, the telescopic rod is slowly shortened, and the gravity device gradually floats out of the water surface.
In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "upper surface", "lower surface", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing 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 and operated in a particular orientation, and thus should not be construed as limiting.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a hydrology water resource data acquisition detection device, includes support (3), its characterized in that: the underwater sampling device is characterized by further comprising a water body surface monitoring device (1), an underwater sampling device (2) and a power supply device (4), wherein the underwater sampling device (2) is movably arranged above the water body surface monitoring device (1) through a support (3); the power supply device (4) is arranged above the bracket (3) and is connected with the water body surface monitoring device (1) and the underwater sampling device (2);
the water body surface monitoring device (1) comprises a suspension plate (11), a water quality monitor (12) and a gravity device (13), wherein a telescopic rod (14) is arranged between the suspension plate (11) and the gravity device (13), and the water quality monitor (12) penetrates through the suspension plate (11) and is arranged in a sealing box (15) above the suspension plate (11); a mounting rod (16) connected with the bracket (3) is arranged above the seal box (15);
the underwater sampling device (2) comprises a screw rod (21), a sliding rod (22), a moving device (23) and an underwater detection part (24), the screw rod (21) and the sliding rod (22) are arranged in parallel, the left ends of the screw rod (21) and the sliding rod (22) are fixed to a stop block (25) in a flush mode, the moving device (23) is respectively sleeved above the screw rod (21) and the sliding rod (22) in a sleeved mode, a rotating shaft (231) is arranged on the moving device (23), a rope (232) connected with the underwater detection part (24) is arranged on the rotating shaft (231), one end of the rotating shaft (231) is connected with a motor (233), a limiting rod (234) is further vertically arranged on the moving device (23), and the limiting rod (234) is connected with the underwater detection part (24) in a sliding mode; the underwater detection part (24) comprises a fixed frame (241), a sampling cup (242) and a balancing weight (243), the sampling cup (242) is installed on the fixed frame (241), the balancing weight (243) is installed below the fixed frame (241), and the upper part of the fixed frame (241) is connected with a rope (232); an electromagnetic valve (244) is arranged above the sampling cup (242);
power supply unit (4) contain power pack (41), power pack (41) top is equipped with solar panel (42), solar panel (42) below is equipped with battery (43), power pack (41) internally mounted has driving motor (44), the output of driving motor (44) and screw rod (21) fixed connection who runs through power pack (41), control box (5) are installed to power pack (41) rear end.
2. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: support (3) contain bracing piece (31), backup pad (32) and supporting seat (33), the bracing piece top is equipped with backup pad (32), backup pad (32) below front end is equipped with ultrasonic wave level appearance (34), backup pad (32) top is equipped with supporting seat (33), supporting seat (33) movable mounting screw rod (21), fixed mounting slide bar (22), the bracing piece rotates installation water surface monitoring device (1), the support still contains the connection bracing piece (31) with strengthening rib (35) of backup pad (32).
3. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: a water pressure sensor (245) and a flow rate sensor (246) are arranged below the underwater sampling device (2).
4. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: the sampling cup (242) are arranged in a plurality of numbers, the electromagnetic valves (244) correspond to the sampling cups (242) one by one and are connected in series, and the limiting rod (234) is provided with scale scales.
5. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: the water surface monitoring device (1) is further provided with an air bag (17), the air bag (17) is bonded below the gravity device (13), the air bag (17) is connected with an air pipe (18), the air pipe (18) is led to the upper side of the suspension plate (11), and an air valve (19) is installed above the air pipe (18).
6. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: the water surface monitoring device (1) is further provided with a fan blade (20), the fan blade (20) is arranged between the suspension plate (11) and the seal box (15), and a rotary support (111) for protecting the water quality monitor (12) is welded at the bottom of the fan blade (20).
7. The acquisition and detection device for hydrographic water resource data according to claim 2, characterized in that: the mounting rod is characterized in that a raised shaft is arranged at the upper end of the mounting rod (16), a groove matched with the projection at the upper end of the mounting rod (16) is arranged at the lower end of the supporting rod (31), the upper end of the mounting rod (16) is inserted into the groove, and the mounting rod (16) and the supporting rod (31) are limited and fixed by fastening screws.
8. The acquisition and detection device for hydrographic water resource data according to claim 1, characterized in that: the water body surface monitoring device (1) is further provided with support legs (112), and the support legs (112) are arranged below the gravity device (13).
9. The acquisition and detection device for hydrographic water resource data according to any one of claims 1-8, wherein: the solar panel (42) is connected with the storage battery (43) through an electric wire, and the storage battery (43) is connected with the control box (5) through an electric wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122467117.9U CN216386419U (en) | 2021-10-13 | 2021-10-13 | Hydrology water resource data acquisition detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122467117.9U CN216386419U (en) | 2021-10-13 | 2021-10-13 | Hydrology water resource data acquisition detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115144225A (en) * | 2022-06-27 | 2022-10-04 | 武汉新烽光电股份有限公司 | Automatic sampling device for water quality monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115144225A (en) * | 2022-06-27 | 2022-10-04 | 武汉新烽光电股份有限公司 | Automatic sampling device for water quality monitoring |
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