CN220773034U - Water quality environment detection device for hydraulic engineering - Google Patents
Water quality environment detection device for hydraulic engineering Download PDFInfo
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- CN220773034U CN220773034U CN202222561143.2U CN202222561143U CN220773034U CN 220773034 U CN220773034 U CN 220773034U CN 202222561143 U CN202222561143 U CN 202222561143U CN 220773034 U CN220773034 U CN 220773034U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 244000309464 bull Species 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 13
- 238000005192 partition Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The utility model discloses a water quality environment detection device for hydraulic engineering, which belongs to the technical field of hydraulic engineering, and the technical scheme is characterized by comprising a detection box, wherein the top of the detection box is rotationally connected with a first box cover, the top of the first box cover is tightly connected with a placement box, the top of the placement box is rotationally connected with a second box cover, the inside of the placement box is fixedly connected with a water pumping mechanism, and the top of the second box cover is fixedly connected with a handle; the water pumping mechanism comprises a water pump, a baffle and a water pipe, wherein the baffle is fixedly connected with the inner wall of the placement box, the water pump is positioned at the rear side of the baffle, the problem that most of existing detection equipment detects water quality on the surface, when the water pumping mechanism samples deep, the water pumping mechanism is too much in equipment, inconvenient to carry when moving, needs to be carried separately with the detection equipment, consumes too much time in the moving process, causes moving difficulty and influences the detection speed is solved.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a water quality environment detection device for hydraulic engineering.
Background
The hydraulic engineering mainly researches basic knowledge and skills in aspects of engineering hydrology, hydraulic engineering measurement, hydraulic reinforced concrete, hydraulic buildings, engineering drawing and the like, and performs engineering planning design, engineering site construction, engineering budget, hydraulic equipment maintenance and repair in the field of hydraulic engineering, such as building different types of hydraulic buildings including dams, dykes, spillways, sluice gates, channels, rafts, fishways and the like.
When detecting water quality, need to use check out test set, current check out test set mostly detects the water quality on surface, and when taking a sample to the depths, it is too much to equip, when removing, inconvenient carrying, need separately carry with check out test set, and too much in the in-process consumption of removal leads to removing the difficulty to influence the problem of detection speed.
Disclosure of Invention
The utility model provides a water quality environment detection device for hydraulic engineering, and aims to solve the problems that most of existing detection equipment detects surface water quality, when deep sampling is carried out, the equipment is too much, the equipment is inconvenient to carry when moving, the equipment and the detection equipment are required to be carried separately, and too much time is consumed in the moving process, so that the movement is difficult, and the detection speed is influenced.
The utility model is realized in such a way, a water quality environment detection device for hydraulic engineering comprises a detection box, wherein the top of the detection box is rotationally connected with a first box cover, the top of the first box cover is tightly connected with a placement box, the top of the placement box is rotationally connected with a second box cover, the inside of the placement box is fixedly connected with a water pumping mechanism, and the top of the second box cover is fixedly connected with a handle;
the water pumping mechanism comprises a water pump, a baffle and a water pipe, wherein the baffle is fixedly connected with the inner wall of the placement box, the water pump is positioned at the rear side of the baffle, the water pipe is positioned at the front side of the baffle, the surface of the water pipe is respectively contacted with the baffle and the inner wall of the placement box, and the surface of the water pump is contacted with the baffle and the inner wall of the placement box.
In order to achieve the effect of limiting the detection box and the placement box, the water quality environment detection device for the hydraulic engineering is preferable, the top of the second box cover is fixedly connected with four first fixing buckles, the surfaces of the first fixing buckles are sleeved with first fixing belts, the front side and the rear side of the detection box are fixedly connected with two first fixing rods, and one side, far away from the first fixing buckles, of each first fixing belt is sleeved on the surface of each first fixing rod.
In order to achieve the effect of preventing test tubes and rubber head droppers, the water quality environment detection device for the hydraulic engineering is preferable, the bottom of the first box cover is provided with four placing grooves, the bottom of the first box cover is fixedly connected with four second fixing buckles, the surface of each second fixing buckle is sleeved with a second fixing belt, the bottom of the first box cover is fixedly connected with four second fixing rods, and one side, far away from each second fixing buckle, of each second fixing belt is sleeved on the surface of each second fixing rod.
In order to achieve the effect of isolating a detection sample and a detection medicine, the water quality environment detection device for hydraulic engineering is preferable, the inside of the detection box is fixedly connected with a partition board, a plug is arranged in the partition board, the inner wall of the detection box is rotatably connected with two cover plates, the surfaces of the cover plates are respectively in close contact with the inner walls of the detection box and the partition board, and the top of the cover plate is fixedly connected with a second handle.
In order to achieve the effect of placing the detector, as the water quality environment detection device for the hydraulic engineering, the water quality environment detection device for the hydraulic engineering is preferable, the right side of the detection box is provided with the drawer, the right side of the drawer is fixedly connected with the first handle, one side of the drawer, which is close to the detection box, penetrates through the detection box and extends to the inside of the detection box, the surface of the drawer is in sliding connection with the detection box, the right side of the detection box is fixedly connected with the rotating rod, the surface of the rotating rod is sleeved with the rotating plate, one side, which is far away from the rotating rod, extends to the surface of the drawer and is in tight contact with the surface of the drawer, the inner wall of the drawer is fixedly connected with the first protection pad, and the inside of the first protection pad is fixedly connected with the second protection pad.
In order to achieve the effects of water inlet and water outlet, the water quality environment detection device for the hydraulic engineering is preferable, the front side of the detection box is fixedly communicated with two pipelines, the surfaces of the pipelines are movably provided with valves, and the side, far away from the detection box, of the pipeline on the left side is rotationally connected with a connector.
Compared with the prior art, the utility model has the beneficial effects that:
this water quality environment detection device for hydraulic engineering starts the water pump, the water pump is through the inside of water pipe with water suction to the water pump, the water pump is in the inside of entering the baffle with water from left side pipeline, when the water yield reaches a certain amount, close the water pump, close left side valve, remove the rubber head burette from the inside of standing groove, utilize the rubber head burette to inhale the detection liquid to the inside of rubber head burette, drip into the baffle that has water with the detection liquid inside utilizing the rubber head burette, mix with water, take out the detector from the drawer inside, detect mixed water, extract the end cap from the inside of baffle after the detection is accomplished, mixed water moves to the right side from the left side, drip into mixed water after mixing with another kind of detection liquid and detect again with the detector, twist right side valve, the mixed water flows out from the pipeline after the inside detection of baffle is accomplished, reach the effect of detecting water quality.
Drawings
FIG. 1 is a diagram showing the overall construction of a water quality environment detection device for hydraulic engineering according to the present utility model;
FIG. 2 is a schematic perspective view of a placement box according to the present utility model;
FIG. 3 is a schematic perspective view of a detection box according to the present utility model;
FIG. 4 is a schematic perspective view of a drawer according to the present utility model;
FIG. 5 is a schematic diagram of the connection of a rotating rod to a rotating plate according to the present utility model;
FIG. 6 is a schematic diagram of the connection of the pipe and the connector according to the present utility model;
FIG. 7 is an enlarged view of the utility model at A in FIG. 3;
fig. 8 is an enlarged view of the present utility model at B in fig. 3.
In the figure, 1, a detection box; 2. a water pumping mechanism; 201. a water pump; 202. a baffle; 203. a water pipe; 3. a first cover; 4. placing a box; 5. a handle; 6. a second cover; 7. a first fixing buckle; 8. a first fixing strap; 9. a first fixing rod; 10. a pipe; 11. a drawer; 12. a first handle; 13. a cover plate; 14. a second handle; 15. a rotating plate; 16. a first protective pad; 17. a second protective pad; 18. a rotating rod; 19. a valve; 20. a connector; 21. a second fixing buckle; 22. a second fixing strap; 23. a second fixing rod; 24. a placement groove; 25. a plug; 26. a partition board.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-8, the present utility model provides the following technical solutions: the utility model provides a water quality environment detection device for hydraulic engineering, includes detection case 1, and the top of detection case 1 rotates and is connected with first case lid 3, and the top of first case lid 3 zonulae occludens has places case 4, and the top of placing case 4 rotates and is connected with second case lid 6, and the inside of placing case 4 fixedly connected with pumping mechanism 2, the top fixedly connected with handle 5 of second case lid 6;
the water pumping mechanism 2 comprises a water pump 201, a baffle 202 and a water pipe 203, wherein the baffle 202 is fixedly connected with the inner wall of the placement box 4, the water pump 201 is positioned at the rear side of the baffle 202, the water pipe 203 is positioned at the front side of the baffle 202, the surface of the water pipe 203 is respectively contacted with the baffle 202 and the inner wall of the placement box 4, and the surface of the water pump 201 is contacted with the baffle 202 and the inner wall of the placement box 4.
In this embodiment: by starting the water pump 201, the water pump 201 sucks water into the water pump 201 through the water pipe 203, the water pump 201 enters the inside of the partition plate 26 from the left pipeline 10, when the water amount reaches a certain amount, the water pump 201 is closed, the left valve 19 is closed, the rubber head dropper is moved out of the inside of the placing groove 24, the detection liquid is sucked into the rubber head dropper by the rubber head dropper, the detection liquid is dripped into the partition plate 26 with water by the rubber head dropper, the water is mixed with the water, the detector is taken out from the drawer 11, the mixed water is detected, after the detection is completed, the plug 25 is pulled out of the inside of the partition plate 26, the mixed water is moved from the left side to the right side, another detection liquid is dripped into the mixed water after the detection liquid is added again by the rubber head dropper, after the detection is completed, the right valve 19 is twisted, the mixed water after the water quality detection completion of the inside of the partition plate 26 is discharged from the pipeline 10, and the effect of detecting the water is achieved.
As a technical optimization scheme of the utility model, the top of the second box cover 6 is fixedly connected with four first fixing buckles 7, the surfaces of the first fixing buckles 7 are sleeved with first fixing belts 8, the front side and the rear side of the detection box 1 are fixedly connected with two first fixing rods 9, and one side, far away from the first fixing buckles 7, of each first fixing belt 8 is sleeved on the surface of each first fixing rod 9.
In this embodiment: through setting up first fixed knot 7, first fixed band 8 and first dead lever 9, take out first fixed band 8 from the surface of first dead lever 9, first fixed band 8 and the separation of first dead lever 9 are to placing case 4 and detection case 1 atress, reach and carry out spacing effect to detection case 1 and placement case 4.
As a technical optimization scheme of the utility model, four placing grooves 24 are formed in the bottom of the first box cover 3, four second fixing buckles 21 are fixedly connected to the bottom of the first box cover 3, second fixing belts 22 are sleeved on the surfaces of the second fixing buckles 21, four second fixing rods 23 are fixedly connected to the bottom of the first box cover 3, and one sides, far away from the second fixing buckles 21, of the second fixing belts 22 are sleeved on the surfaces of the second fixing rods 23.
In this embodiment: through setting up standing groove 24, second fixed knot 21, second fixed band 22 and second dead lever 23, establish second fixed band 22 cover at the surface of second dead lever 23, because second fixed band 22 has toughness, pull second fixed band 22, second fixed band 22 cover is established at the surface of second dead lever 23, second fixed band 22 has the pulling force to second dead lever 23 atress, makes second fixed band 22 fix at the surface of second dead lever 23, carries out spacingly to rubber head burette and test tube, reaches the effect that prevents test tube and rubber head burette.
As a technical optimization scheme of the utility model, a baffle plate 26 is fixedly connected inside the detection box 1, a plug 25 is arranged inside the baffle plate 26, two cover plates 13 are rotatably connected to the inner wall of the detection box 1, the surfaces of the cover plates 13 are respectively in close contact with the inner walls of the detection box 1 and the baffle plate 26, and the top of each cover plate 13 is fixedly connected with a second handle 14.
In this embodiment: through setting up baffle 26, end cap 25, apron 13 and second handle 14, pulling second handle 14, second handle 14 drives apron 13 and rotates in the inside of detecting case 1, when rotating to certain position, stops rotating, put into or add the inside of two baffles 26 of rear side with the detection liquid, rotate apron 13, apron 13 rotate to place case 4 and baffle 26 in the inside of placing case 4 in close contact with, the bottom fixedly connected with mat seal of apron 13, mat seal and detecting case 1 and baffle 26 in close contact with make the detection liquid can not spill over, reach the effect of keeping apart detection sample and detection medicine.
As a technical optimization scheme of the utility model, a drawer 11 is arranged on the right side of a detection box 1, a first handle 12 is fixedly connected to the right side of the drawer 11, one side of the drawer 11, which is close to the detection box 1, penetrates through the detection box 1 and extends into the detection box 1, the surface of the drawer 11 is in sliding connection with the detection box 1, a rotating rod 18 is fixedly connected to the right side of the detection box 1, a rotating plate 15 is sleeved on the surface of the rotating rod 18, one side of the rotating plate 15, which is far away from the rotating rod 18, extends to the surface of the drawer 11 and is in tight contact with the surface of the drawer 11, a first protection pad 16 is fixedly connected to the inner wall of the drawer 11, and a second protection pad 17 is fixedly connected to the inner part of the first protection pad 16.
In this embodiment: through setting up drawer 11, first handle 12, bull stick 18, revolving board 15, first protection pad 16 and second protection pad 17, pulling first handle 12, first handle 12 drives drawer 11 and removes in the inside of detecting box 1, when removing certain position, stops removing, places the detector in the inside of first protection pad 16, with the contact of second protection pad 17, places the detector after, promotes drawer 11, and drawer 11 removes in the inside of detecting box 1, when removing certain position, stops removing, reaches the effect of placing the detector.
As a technical optimization scheme of the utility model, two pipelines 10 are fixedly communicated with the front side of the detection box 1, a valve 19 is movably arranged on the surface of the pipeline 10, and a connector 20 is rotatably connected to one side, far away from the detection box 1, of the left pipeline 10.
In this embodiment: through setting up pipeline 10, valve 19 and connector 20, open left side valve 19, water pump 201 is entering into the inside of baffle 26 with water from left side pipeline 10, when the water yield reaches a certain amount, close water pump 201, close left side valve 19, pull out plug 25 from the inside of baffle 26, the mixed water moves to the right side from the left side, in dripping into mixed water with another kind of detection liquid and utilizing the rubber head burette, detect the mixed water that adds the detection liquid once more with the detector, after detecting, twist right side valve 19, right side pipeline 10 flows out from pipeline 10 with the inside post-mixing water that detects of baffle 26, reach the effect of intaking and water.
Working principle: firstly, the rotating plate 15 is rotated, the rotating plate 15 rotates on the surface of the rotating rod 18, when the rotating plate rotates to a moving position, the rotating plate is stopped, the first handle 12 is pulled, the first handle 12 drives the drawer 11 to move in the detection box 1, when the rotating plate moves to a certain position, the moving is stopped, the detector is placed in the first protection pad 16 and is contacted with the second protection pad 17, after the detector is placed, the drawer 11 is pushed, the drawer 11 moves in the detection box 1, when the rotating plate moves to a certain position, the moving is stopped, the first fixing belt 8 is taken out from the surface of the first fixing rod 9, the first fixing belt 8 is separated from the first fixing rod 9, the placing box 4 and the detection box 1 are not stressed, the placing box 4 is separated from the first box cover 3, the first box cover 3 is rotated, the first box cover 3 is slowly moved away from the detection box 1 through the rotating shaft, when the rotating plate moves to a certain degree, the rotating is stopped, the second fixing belt 22 is taken off from the surface of the second fixing rod 23, the test tube and the rubber head dropper are respectively placed in the placing groove 24, the second fixing belt 22 is sleeved on the surface of the second fixing rod 23, the second fixing belt 22 is pulled due to the toughness of the second fixing belt 22, the second fixing belt 22 is sleeved on the surface of the second fixing rod 23, the second fixing belt 22 is pulled to bear force on the second fixing rod 23, the second fixing belt 22 is fixed on the surface of the second fixing rod 23, the rubber head dropper and the test tube are limited, the second handle 14 is pulled, the second handle 14 drives the cover plate 13 to rotate in the detecting box 1, when the cover plate 13 rotates to a certain position, the rotation is stopped, the detecting liquid is put into or added into the two rear baffles 26, the cover plate 13 rotates in the placing box 4 to be in close contact with the placing box 4 and the baffles 26, the sealing gasket is fixedly connected to the bottom of the cover plate 13, the sealing gasket is closely contacted with the detection box 1 and the partition 26, so that detection liquid cannot overflow, after an object required for detection is loaded, the handle 5 is moved, the handle 5 drives the second box cover 6 and the placement box 4 to move, the placement box 4 drives the detection box 1 to move through the first fixing buckle 7, the first fixing belt 8 and the first fixing rod 9, when the detection box 1 and the placement box 4 are moved to a certain position, the detection box 1 and the placement box 4 are placed on the ground, the second box cover 6 is rotated on the surface of the placement box 4 to slowly move the water pipe 203 out of the placement box 4, the water pipe 203 is communicated with the water inlet of the water pump 201, the water outlet of the water pump 201 is contacted with the connector 20, the left valve 19 is opened, the water pipe 203 is inserted into the water, the water pipe 203 is inserted into a specified position according to the water quality depth required to be detected, the water pump 201 is started, the water pump 201 sucks water into the water pump 201 through the water pipe 203, the water pump 201 is used for taking water into the partition plate 26 from the left side pipeline 10, when the water amount reaches a certain amount, the water pump 201 is closed, the left side valve 19 is closed, the rubber head dropper is moved out of the inside of the placing groove 24, the detection liquid is sucked into the rubber head dropper through the rubber head dropper, the detection liquid is dripped into the partition plate 26 with water through the rubber head dropper, the water is mixed with the water, the detector is taken out from the drawer 11, the mixed water is detected, after the detection is completed, the plug 25 is pulled out from the inside of the partition plate 26, the mixed water is moved to the right side from the left side, the other detection liquid is dripped into the mixed water, the mixed water added with the detection liquid again is detected through the detector, the right side valve 19 is twisted after the detection is completed, the right pipeline 10 flows out the mixed water after the detection in the partition 26 from the pipeline 10, so as to achieve the effect of detecting the water quality.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a water quality environment detection device for hydraulic engineering, includes detection case (1), its characterized in that: the top of the detection box (1) is rotationally connected with a first box cover (3), the top of the first box cover (3) is tightly connected with a placement box (4), the top of the placement box (4) is rotationally connected with a second box cover (6), the inside of the placement box (4) is fixedly connected with a water pumping mechanism (2), and the top of the second box cover (6) is fixedly connected with a handle (5);
the water pumping mechanism (2) comprises a water pump (201), a baffle (202) and a water pipe (203), wherein the baffle (202) is fixedly connected with the inner wall of the placement box (4), the water pump (201) is located at the rear side of the baffle (202), the water pipe (203) is located at the front side of the baffle (202), the surface of the water pipe (203) is respectively contacted with the baffle (202) and the inner wall of the placement box (4), and the surface of the water pump (201) is contacted with the baffle (202) and the inner wall of the placement box (4).
2. The water quality environment detection device for hydraulic engineering according to claim 1, wherein: the top fixedly connected with of second case lid (6) is first fixed detain (7), the surface cover of first fixed knot (7) is equipped with first dead band (8), the equal fixedly connected with of front side and rear side of detection case (1) is first dead lever (9), one side cover that first dead band (8) kept away from first fixed knot (7) is established on the surface of first dead lever (9).
3. The water quality environment detection device for hydraulic engineering according to claim 1, wherein: four standing grooves (24) have been seted up to the bottom of first case lid (3), four fixed knot (21) of bottom fixedly connected with of first case lid (3), the surface cover of second fixed knot (21) is equipped with second dead band (22), the bottom fixedly connected with of first case lid (3) four second dead levers (23), one side cover that second dead band (22) kept away from second fixed knot (21) is established on the surface of second dead lever (23).
4. The water quality environment detection device for hydraulic engineering according to claim 1, wherein: the inside fixedly connected with baffle (26) of detection case (1), baffle (26) inside is provided with end cap (25), the inner wall rotation of detection case (1) is connected with two apron (13), the surface of apron (13) respectively with the inner wall in close contact with of detection case (1) and baffle (26), the top fixed connection second handle (14) of apron (13).
5. The water quality environment detection device for hydraulic engineering according to claim 1, wherein: the right side of detection case (1) is provided with drawer (11), the right side fixedly connected with first handle (12) of drawer (11), one side that drawer (11) is close to detection case (1) runs through detection case (1) and extends to the inside of detection case (1), the surface and the detection case (1) sliding connection of drawer (11), the right side fixedly connected with bull stick (18) of detection case (1), the surface cover of bull stick (18) is equipped with revolving plate (15), one side that revolving plate (15) kept away from bull stick (18) extends to the surface of drawer (11), and with the surface in close contact with of drawer (11), the inner wall fixedly connected with first protection pad (16) of drawer (11), the inside fixedly connected with second protection pad (17) of first protection pad (16).
6. The water quality environment detection device for hydraulic engineering according to claim 1, wherein: the front side of detection case (1) is fixed to be linked together has two pipeline (10), the surface movable mounting of pipeline (10) has valve (19), left side one side that detection case (1) was kept away from to pipeline (10) rotates and is connected with connector (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222561143.2U CN220773034U (en) | 2022-09-27 | 2022-09-27 | Water quality environment detection device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222561143.2U CN220773034U (en) | 2022-09-27 | 2022-09-27 | Water quality environment detection device for hydraulic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773034U true CN220773034U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222561143.2U Active CN220773034U (en) | 2022-09-27 | 2022-09-27 | Water quality environment detection device for hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773034U (en) |
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2022
- 2022-09-27 CN CN202222561143.2U patent/CN220773034U/en active Active
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