Multi-point sampling equipment for detecting water pollutants

Abstract

The utility model relates to the technical field of water quality sampling, and discloses multi-point sampling equipment for water quality pollutant detection, which comprises a working table, a sample storage tank is fixedly connected to the left side of the top of the working table, the bottom of the outer wall of the sample storage tank is communicated with a water pump, and the output end of the water pump is communicated with a long pipe. The right end of the long pipe communicates with a telescopic pipe, the right end of the telescopic pipe communicates with an L-shaped pipe, the top of the outer wall of the long pipe is fixedly connected with a hollow plate, the inner side of the hollow plate is slidably connected with a connecting column, and the inner side of the connecting column is fixedly connected with the outer wall of the telescopic pipe. According to the water quality sampling device, the water inlet nozzle is matched with the weight of the bearing block to sink into water, and the long pipe is connected with the telescopic pipe, so that the water quality detection depth can be effectively sampled according to requirements, the sampling requirements of water quality of different depths are met, the water quality detection accuracy is improved, and the requirements of users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality sampling, in particular to a multi-point sampling device for detecting water quality pollutants. Background Art

[0002] When multi-point sampling equipment is used for water quality pollutant detection, it is designed to sample at different locations in the water body to obtain more comprehensive water quality data. Multiple sampling bottles or containers are connected to the sampler head, each container is used to receive water samples from a specific location. These containers have sealing properties and calibration labels for subsequent laboratory analysis or field testing.

[0003] Multi-point sampling equipment has a wide range of application scenarios in water quality pollutant detection. In natural water bodies such as rivers, lakes, reservoirs and oceans, multi-point sampling equipment can be distributed at different locations or depths to collect water samples regularly. These water samples can be used to monitor various pollutants in the water, such as chemicals, microorganisms and heavy metals.

[0004] The existing multi-point sampling equipment for water quality testing is composed of a sampling rod and a sampling bottle, a control valve, a submersible liquid level transmitter, a hybrid stepper motor and a mechanical distribution arm. However, the current water quality sampling equipment cannot be adjusted according to the water depth during use. Therefore, areas with different water depths have different water quality characteristics or pollutant distribution conditions, which will lead to incomplete water quality monitoring in some deep water areas, thereby reducing the accuracy of water quality sampling and testing. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a multi-point sampling device for water quality pollutant detection, aiming to improve the problem that the prior art cannot be adjusted according to the water depth. Therefore, areas with different water depths have different water quality characteristics or pollutant distribution, which will lead to incomplete water quality monitoring in some deep water areas.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-point sampling device for water pollutant detection, comprising a workbench, a sample storage tank is fixedly connected to the left side of the top of the workbench, a water pump is connected to the bottom of the outer wall of the sample storage tank, an elongated tube is connected to the output end of the water pump, a telescopic tube is connected to the right end of the elongated tube, an L-shaped tube is connected to the right end of the telescopic tube, a hollow plate is fixedly connected to the top of the outer wall of the elongated tube, a connecting column is slidably connected to the inner side of the hollow plate, the inner side of the connecting column is fixedly connected to the outer wall of the telescopic tube, a bolt is threadedly connected to the front side of the hollow plate, and the other end of the bolt is threadedly connected to the outer wall of the connecting column, a telescopic rod is fixedly connected to the right side of the top of the workbench near the edge, a long block is fixedly connected to one end of the telescopic rod, a C-shaped support plate is fixedly connected between two adjacent long blocks, the top of the C-shaped support plate is fitted with the outer wall of the L-shaped tube, and a replacement mechanism is provided on the inner side of the sample storage tank, and the replacement mechanism is used to quickly replace and clean the filter.

[0007] As a further description of the above technical solution:

[0008] The replacement mechanism includes a circular frame, the outer wall of which is fixedly connected to the middle and upper inner part of the sample storage tank, a hollow ring is fixedly connected to the inner middle part of the circular frame, a slot is opened on the top of the hollow ring, a buckle 1 is engaged with the inner side of the slot, filter plates are fixedly connected between adjacent buckles 1, blocks are fixedly connected on the top of the filter plate, a U-shaped frame is fixedly connected to the top of the circular frame, a rotating rod is rotatably connected to the inner side of the rotating rod, a buckle 2 is rotatably connected to the inner side of the rotating rod, and the inner side of the buckle 2 is engaged with the outer wall of the block.

[0009] As a further description of the above technical solution:

[0010] The bottom end of the L-shaped tube is connected to a water inlet, the front and rear sides of the outer wall of the water inlet are connected to a load-bearing block, the top of the outer wall of the sample storage tank is threadedly connected to a threaded cover, and the middle of the top surface of the threaded cover is fixedly connected to a handle.

[0011] As a further description of the above technical solution:

[0012] A lighting lamp is fixedly connected to the middle of the top surface of the workbench, and a storage battery is fixedly connected to the front side of the top of the workbench.

[0013] As a further description of the above technical solution:

[0014] The left bottom of the outer wall of the sample storage tank is connected with a water outlet pipe, the bottom of the outer wall of the water outlet pipe is threadedly connected with a threaded plug, and the front side of the outer wall of the sample storage tank is fixedly connected with an observation plate.

[0015] As a further description of the above technical solution:

[0016] The left and right sides of the bottom of the workbench are fixedly connected with brackets, and the bottom of the bracket is fixedly connected with a bottom plate.

[0017] As a further description of the above technical solution:

[0018] The top of the outer wall of the L-shaped tube is fixedly connected with a sliding rod, the lower middle part of the outer wall of the L-shaped tube is slidably connected with a limiting column, and the other ends of the sliding rod and the limiting column are fixedly connected to the outer wall of the workbench.

[0019] As a further description of the above technical solution:

[0020] A controller is fixedly connected to the top rear side of the workbench, and the controller is electrically connected to the lighting lamp, the battery and the water pump respectively.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the water inlet nozzle is used to cooperate with the weight of the load-bearing block to sink into the water, and the telescopic tube connected to the long tube is moved along the inner side of the hollow plate in cooperation with the connecting column to place the telescopic tube to the optimal length. Thereafter, the long block and the C-shaped support plate are moved upward in cooperation with the telescopic rod. Therefore, it is possible to effectively sample the water quality detection depth according to the needs, meet the sampling needs of water quality at different depths, thereby improving the accuracy of water quality detection and meeting the needs of users.

[0023] 2. In the utility model, the rotating rod is moved upward along the U-shaped frame, so that the second buckle is tilted up, the limit of the filter plate is released, and then the filter plate and the first buckle are taken out from the slot provided on the hollow ring. Therefore, it is convenient to disassemble and replace the filter plate that has been used for a long time, avoid the situation that the surface of the filter plate that has been used for a long time is blocked and the filtration is poor, and the use effect of the water quality equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front perspective view of a workbench of a multi-point sampling device for water pollutant detection proposed by the utility model;

[0025] Figure 2 This is a disassembled diagram of the telescopic tube structure of a multi-point sampling device for water pollutant detection proposed by the utility model;

[0026] Figure 3 This is a disassembled display diagram of a filter plate of a multi-point sampling device for water pollutant detection proposed by the utility model;

[0027] Figure 4This is a U-shaped frame structure diagram of a multi-point sampling device for water pollutant detection proposed by the utility model.

[0028] Legend:

[0029] 1. Workbench; 2. Changing mechanism; 201. Round frame; 202. Hollow ring; 203. Slot; 204. Filter plate; 205. Buckle 1; 206. Rotating rod; 207. U-shaped frame; 208. Block; 209. Buckle 2; 3. Threaded plug; 4. Water outlet pipe; 5. Observation plate; 6. Handle; 7. Threaded cover; 8. Sample storage tank; 9. Water pump; 10. Controller; 11. C-shaped support plate; 12. Long block; 13. Telescopic rod; 14. Water inlet nozzle; 15. Load-bearing block; 16. Battery; 17. Lighting lamp; 18. Bracket; 19. Bottom plate; 20. Long tube; 21. Hollow plate; 22. Connecting column; 23. Bolt; 24. L-shaped tube; 25. Limit column; 26. Sliding rod; 27. Telescopic tube. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Please see attached Figure 1 - Attachment Figure 2 The utility model provides an embodiment: a multi-point sampling device for detecting water pollutants, comprising a workbench 1, a sample storage tank 8 is fixedly connected to the left side of the top of the workbench 1, a water pump 9 is connected to the bottom of the outer wall of the sample storage tank 8, an output end of the water pump 9 is connected to a long tube 20, a telescopic tube 27 is connected to the right end of the long tube 20, an L-shaped tube 24 is connected to the right end of the telescopic tube 27, a hollow plate 21 is fixedly connected to the top of the outer wall of the long tube 20, a connecting column 22 is slidably connected to the inner side of the hollow plate 21, the inner side of the connecting column 22 is fixedly connected to the outer wall of the telescopic tube 27, and the front side of the hollow plate 21 is screwed The thread is connected with a bolt 23, and the other end of the bolt 23 is threadedly connected to the outer wall of the connecting column 22. A telescopic rod 13 is fixedly connected to the right side of the top of the workbench 1 near the edge, and one end of the telescopic rod 13 is fixedly connected to a long block 12. A C-shaped support plate 11 is fixedly connected between the two adjacent long blocks 12. The top of the C-shaped support plate 11 fits with the outer wall of the L-shaped tube 24. A replacement mechanism 2 is provided on the inner side of the sample storage tank 8. The replacement mechanism 2 is used for quickly replacing and cleaning the filter screen. A lighting lamp 17 is fixedly connected to the middle of the top surface of the workbench 1, and a battery 16 is fixedly connected to the front side of the top of the workbench 1;

[0032] Specifically, the output end of the water pump 9 is tightly connected with the long tube 20, and this connection mode ensures that the water flow can be smoothly transmitted from the water pump 9 to the long tube 20. The right end of the long tube 20 is tightly connected with the telescopic tube 27, realizing the seamless connection and transmission of the fluid. The right end of the telescopic tube 27 is also tightly connected with the L-shaped tube 24. The hollow plate 21 has a stable structure and sufficient strength, so that the connecting column 22 can move flexibly in the hollow plate 21, and the tightening of the bolt 23 can effectively fix the position of the connecting column 22. The other end of the bolt 23 is combined with the outer wall of the connecting column 22 by a tight threaded connection mode, which further enhances the stability and reliability of the connection. The adjacent long blocks 12 are tightly fixedly connected with the C-shaped support plate 11 by a firm fixing mode, and the C-shaped support plate 11 can stably carry and support related components or objects.

[0033] Please see attached Figure 3 - Attachment Figure 4 The replacement mechanism 2 includes a circular frame 201, the outer wall of the circular frame 201 is fixedly connected to the middle and upper part of the inner side of the sample storage tank 8, the inner middle part of the circular frame 201 is fixedly connected with a hollow ring 202, the top of the hollow ring 202 is provided with a slot 203, the inner side of the slot 203 is engaged with a buckle 205, a filter plate 204 is fixedly connected between adjacent buckles 205, the top of the filter plate 204 is fixedly connected with a block 208, the top of the circular frame 201 is fixedly connected with a U-shaped frame 207, the inner side of the U-shaped frame 207 is rotatably connected with a rotating rod 206, the inner side of the rotating rod 206 is rotatably connected with a buckle 209, the inner side of the buckle 209 is engaged with the outer wall of the block 208, the left and right sides of the bottom of the workbench 1 are fixedly connected with brackets 18, and the bottom of the bracket 18 is fixedly connected with a bottom plate 19;

[0034] Specifically, the outer wall of the circular frame 201 is firmly fixed to the middle and upper inner part of the sample storage tank 8 by a stable and tight fixed connection method, providing a solid support and a stable frame for the internal structure. The top of the hollow ring 202 is carefully provided with card slots 203, and the size and shape of these card slots 203 are precisely designed. The filter plates 204 are tightly fixedly connected between the adjacent multiple buckles 205 by a strong fixed connection method, so that the filter plates 204 can be stably installed in a specific position. The U-shaped frame 207 has a stable structure, and the inner side of the U-shaped frame 207 is installed with a rotating rod 206 in a flexible and smooth rotating connection method, and the rotating rod 206 can rotate freely.

[0035] Please see attached Figure 1 - Attachment Figure 3, the bottom end of the L-shaped tube 24 is connected with a water inlet nozzle 14, and the front and rear sides of the outer wall of the water inlet nozzle 14 are connected with a load-bearing block 15, the top of the outer wall of the sample storage tank 8 is threadedly connected with a threaded cover 7, and the middle part of the top surface of the threaded cover 7 is fixedly connected with a handle 6, the bottom left side of the outer wall of the sample storage tank 8 is connected with a water outlet pipe 4, and the bottom of the outer wall of the water outlet pipe 4 is threadedly connected with a threaded plug 3, and the front side of the outer wall of the sample storage tank 8 is fixedly connected with an observation plate 5, the top of the outer wall of the L-shaped tube 24 is fixedly connected with a sliding rod 26, and the middle and lower part of the outer wall of the L-shaped tube 24 is slidably connected with a limiting column 25, and the other ends of the sliding rod 26 and the limiting column 25 are fixedly connected to the outer wall of the workbench 1, and the top rear side of the workbench 1 is fixedly connected with a controller 10, and the controller 10 is electrically connected to the lighting lamp 17, the battery 16 and the water pump 9 respectively;

[0036] Specifically, a threaded cover 7 is assembled on the top of the outer wall of the sample storage tank 8 through a tight and precise threaded connection. This connection method ensures the reliability of the seal. The installation position of the handle 6 is accurate and stable, which facilitates the operation of the threaded cover 7. The connection between the water outlet pipe 4 and the sample storage tank 8 is tight and leak-free, and the opening and closing of the water outlet pipe 4 can be effectively controlled. The observation plate 5 provides convenience for observing the internal situation of the sample storage tank 8, ensuring the stable sliding of the L-shaped tube 24 within a certain range.

[0037] Working principle: When it is necessary to sample and test the water quality, first sink the water inlet 14 into the water with the weight of the load-bearing block 15. After that, when the length of the water pipe cannot reach the sampling depth, the telescopic tube 27 connected to the long tube 20 is moved along the inner side of the hollow plate 21 with the connecting column 22, so that the telescopic tube 27 is placed to the optimal length, thereby extending the length of the L-shaped tube 24. After that, the long block 12 and the C-shaped support plate 11 are moved upward with the telescopic rod 13, so that the C-shaped support plate 11 moves upward at the same time, so as to adjust the sampling depth of the water inlet 14 as needed, thereby realizing the ability to effectively sample the water quality detection depth according to the needs, meet the sampling needs of water quality at different depths, thereby improving the accuracy of water quality detection and meeting the needs of users:

[0038] Thereafter, the circular frame 201 is installed on the inner middle and upper part of the sample storage tank 8. At this time, the rotating rod 206 is moved upward along the outer wall of the U-shaped frame 207, so that the second buckle 209 is tilted and disengaged from the outer wall of the block 208, thereby releasing the limit of the filter plate 204. Subsequently, the filter plate 204 and the buckle 1 205 are taken out from the slot 203 opened on the hollow ring 202, and finally, the stains and particles on the filter plate 204 are cleaned. Therefore, it is convenient to disassemble and replace the filter plate 204 that has been used for a long time, avoid the situation where the surface of the filter plate 204 that has been used for a long time is blocked and the filtration is poor, and the use effect of the water quality equipment is improved.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-point sampling device for detecting water pollutants, comprising a workbench (1), characterized in that: A sample storage tank (8) is fixedly connected to the left side of the top of the workbench (1); the bottom of the outer wall of the sample storage tank (8) is connected to a water pump (9); the output end of the water pump (9) is connected to a long tube (20); the right end of the long tube (20) is connected to a telescopic tube (27); the right end of the telescopic tube (27) is connected to an L-shaped tube (24); the top of the outer wall of the long tube (20) is fixedly connected to a hollow plate (21); the inner side of the hollow plate (21) is slidably connected to a connecting column (22); the inner side of the connecting column (22) is fixedly connected to the outer wall of the telescopic tube (27); the hollow plate (21) The front side is threadedly connected with a bolt (23), the other end of the bolt (23) is threadedly connected to the outer wall of the connecting column (22), the top right side of the workbench (1) near the edge is fixedly connected with a telescopic rod (13), one end of the telescopic rod (13) is fixedly connected to an elongated block (12), and a C-shaped support plate (11) is fixedly connected between two adjacent elongated blocks (12), the top of the C-shaped support plate (11) is in contact with the outer wall of the L-shaped tube (24), and a replacement mechanism (2) is provided on the inner side of the sample storage tank (8), and the replacement mechanism (2) is used for quickly replacing and cleaning the filter.

2. A multi-point sampling device for water pollutant detection according to claim 1, characterized in that: The replacement mechanism (2) comprises a circular frame (201), the outer wall of the circular frame (201) is fixedly connected to the middle and upper part of the inner side of the sample storage tank (8), the inner middle part of the circular frame (201) is fixedly connected to a hollow ring (202), the top of each hollow ring (202) is provided with a slot (203), the inner side of the slot (203) is engaged with a buckle 1 (205), and adjacent buckles 1 (205) are fixedly connected to each other. A filter plate (204) is fixedly connected thereto; blocks (208) are fixedly connected to the top of the filter plate (204) on all four sides; a U-shaped frame (207) is fixedly connected to the top of the circular frame (201); a rotating rod (206) is rotatably connected to the inner side of the U-shaped frame (207); a second buckle (209) is rotatably connected to the inner side of the rotating rod (206); the inner side of the second buckle (209) is engaged with the outer wall of the block (208).

3. The multi-point sampling device for water pollutant detection according to claim 1 is characterized in that: The bottom end of the L-shaped tube (24) is connected to a water inlet (14), and the front and rear sides of the outer wall of the water inlet (14) are connected to a load-bearing block (15). The top of the outer wall of the sample storage tank (8) is threadedly connected to a threaded cover (7), and the middle of the top surface of the threaded cover (7) is fixedly connected to a handle (6).

4. The multi-point sampling device for water pollutant detection according to claim 1 is characterized in that: A lighting lamp (17) is fixedly connected to the middle of the top surface of the workbench (1), and a storage battery (16) is fixedly connected to the front side of the top of the workbench (1).

5. The multi-point sampling device for water pollutant detection according to claim 1 is characterized in that: The left bottom of the outer wall of the sample storage tank (8) is connected to a water outlet pipe (4), the bottom of the outer wall of the water outlet pipe (4) is threadedly connected to a threaded plug (3), and the front side of the outer wall of the sample storage tank (8) is fixedly connected to an observation plate (5).

6. The multi-point sampling device for water pollutant detection according to claim 1, characterized in that: The left and right sides of the bottom of the workbench (1) are fixedly connected to brackets (18), and the bottom of the bracket (18) is fixedly connected to a bottom plate (19).

7. The multi-point sampling device for water pollutant detection according to claim 1 is characterized in that: The top of the outer wall of the L-shaped tube (24) is fixedly connected with a sliding rod (26), the lower middle portion of the outer wall of the L-shaped tube (24) is slidably connected with a limiting column (25), and the other ends of the sliding rod (26) and the limiting column (25) are fixedly connected to the outer wall of the workbench (1).

8. The multi-point sampling device for water pollutant detection according to claim 1 is characterized in that: A controller (10) is fixedly connected to the top rear side of the workbench (1), and the controller (10) is electrically connected to the lighting lamp (17), the storage battery (16) and the water pump (9) respectively.

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