An automated drinking water sample collection device

Abstract

The application relates to the technical field of drinking water sample collection, in particular to an automatic drinking water sample collection device, which comprises a mounting seat, a pump machine is installed at the upper end of the mounting seat, a connecting pipe A is connected to the output end of the pump machine, a connecting pipe B slides on the outer side of the connecting pipe A, a sleeve is connected to one end of the connecting pipe B, a filter screen is connected to the end, away from the connecting pipe B, of the sleeve, a guide rail is installed in the sleeve, and a counterweight and a sealing plug vertically slide along the guide rail in the sleeve. The device drives fish groups and aquatic organisms near the sleeve by forming bubbles and sound in the water body, prevents fish swimming and body mucus and excrement and the like from polluting the water sample, reduces the interference of biological factors on the water quality detection result, meanwhile, the gas forms a disturbance zone around the sleeve, the water body near the sleeve affected by biological secretions can be preliminarily discharged or diluted before the formal water sample is taken, and the detection data deviation is reduced.

Description

Technical Field

[0001] This invention relates to the field of drinking water sample collection technology, specifically to an automated drinking water sample collection device. Background Technology

[0002] In the field of drinking water safety monitoring, water sampling is the basic prerequisite for ensuring accurate and reliable water quality test results, and is directly related to the effectiveness of drinking water safety assessment and control. With the continuous development of drinking water monitoring technology, automated sample collection equipment has been widely used in the routine water quality monitoring of various drinking water sources due to its advantages such as unattended operation, continuous sampling, and reduced errors caused by human intervention.

[0003] During the sampling process, traditional devices can easily attract schools of fish and various aquatic organisms around the sampling tube. Their mucus, metabolic secretions, and excrement can contaminate the water sample to be collected, causing abnormal fluctuations in indicators such as organic matter and microorganisms in the water sample. This can lead to deviations in water quality test data and affect the accuracy of test results. Summary of the Invention

[0004] This invention generates bubbles and sounds in the water to drive away fish and aquatic organisms near the casing, preventing fish from swimming, producing mucus and excrement that could pollute the water sample and reduce the interference of biological factors on water quality test results. At the same time, the gas creates a disturbance zone around the casing, which can pre-drain or dilute some of the water near the casing that is affected by biological secretions before the actual water sample is taken, thus reducing the bias in the test data.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automated drinking water sample collection device, comprising a mounting base, a pump mounted on the upper end of the mounting base, a connecting pipe A connected to the output end of the pump, a connecting pipe B slidably mounted on the outside of the connecting pipe A, a sleeve connected to one end of the connecting pipe B, a filter screen connected to the end of the sleeve away from the connecting pipe B, a guide rail installed inside the sleeve, a counterweight and a sealing plug sliding vertically along the guide rail inside the sleeve, two sets of guide tubes installed on the outer wall of the sleeve, piston rods driven by the sealing plugs sliding inside both sets of guide tubes, and a spray pipe connected to one end of both sets of guide tubes, with multiple nozzles arranged on the outside of the spray pipe.

[0006] Preferably, a motor is mounted on the upper end of the mounting base, and a threaded rod is connected to the output end of the motor. The other end of the threaded rod passes through the mounting base and extends to the lower end of the mounting base to be threadedly connected to the outer side of the connecting pipe B.

[0007] Preferably, the counterweight and the sealing plug are fixedly connected, and both the counterweight and the sealing plug are slidably connected to the guide rail.

[0008] Preferably, a top rod is slidably connected to the end of the guide rail away from the filter screen, a support plate is fixedly connected to one end of the top rod, and the two ends of the support plate are respectively connected to two sets of piston rods.

[0009] Preferably, one end of each of the two sets of guide tubes is connected to a flexible tube, and the other end of each set of flexible tubes is connected to a nozzle, wherein the nozzle is connected to the outside of the sleeve.

[0010] Preferably, a spring is fixedly connected to the end of the sealing plug away from the counterweight, and the other end of the spring is connected to the guide rail.

[0011] Preferably, the sealing plug has two sets of guide tubes embedded inside, and both sets of guide tubes pass through the counterweight, and both sets of guide tubes are equipped with one-way valves.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. By generating bubbles and sounds in the water, the system drives away fish and aquatic organisms near the casing, preventing fish from swimming, releasing mucus, and excreting waste that could contaminate the water sample. This reduces the interference of biological factors on water quality test results, improving the accuracy and reliability of the test. At the same time, the gas creates a disturbance zone around the casing, which can pre-drain or dilute some of the water near the casing that is affected by biological secretions before the actual water sampling, reducing water pollution and lowering the deviation of the test data.

[0014] 2. After the pumping stops, the counterweight falls rapidly under its own weight and the spring thrust, knocking and vibrating the filter screen. This shakes off the mud, algae, and debris attached to the filter screen, preventing the filter holes from clogging, ensuring the filter screen remains unobstructed for a long time, and extending the continuous working time of the equipment. At the same time, the automatic knocking to clear blockages after each sampling reduces the frequency of filter screen clogging and the number of manual cleaning and maintenance operations in the field. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an automated drinking water sample collection device according to the present invention;

[0016] Figure 2 This is a second schematic diagram of the overall structure of an automated drinking water sample collection device according to the present invention;

[0017] Figure 3 This is a partial structural cross-sectional view of an automated drinking water sample collection device according to the present invention;

[0018] Figure 4 This is a second partial structural cross-sectional view of an automated drinking water sample collection device according to the present invention;

[0019] Figure 5This is a partial structural cross-sectional view of an automated drinking water sample collection device according to the present invention.

[0020] In the diagram: 1. Mounting base; 2. Pump; 3. Connecting pipe A; 4. Connecting pipe B; 5. Threaded rod; 6. Motor; 7. Sleeve; 8. Filter screen; 9. Counterweight; 10. Sealing plug; 11. Guide rail; 12. Top rod; 13. Support plate; 14. Piston rod; 15. Guide tube; 16. Hose; 17. Nozzle; 18. Spring; 19. Flow guide tube. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1 to 3 This invention provides an automated drinking water sample collection device, including a mounting base 1, a pump 2 mounted on the upper end of the mounting base 1, a connecting pipe A3 connected to the output end of the pump 2, a connecting pipe B4 sliding outside the connecting pipe A3, a sleeve 7 connected to one end of the connecting pipe B4, a filter screen 8 connected to the end of the sleeve 7 away from the connecting pipe B4, a guide rail 11 installed inside the sleeve 7, a counterweight 9 and a sealing plug 10 sliding vertically along the guide rail 11 inside the sleeve 7, two sets of guide pipes 15 installed on the outer wall of the sleeve 7, a piston rod 14 driven by the sealing plug 10 sliding inside each of the two sets of guide pipes 15, and a nozzle 17 connected to one end of each of the two sets of guide pipes 15, with multiple nozzles arranged on the outside of the nozzle 17.

[0023] In an optional embodiment, a motor 6 is mounted on the upper end of the mounting base 1, and a threaded rod 5 is connected to the output end of the motor 6. The other end of the threaded rod 5 passes through the mounting base 1 and extends to the lower end of the mounting base 1 to be threadedly connected to the outer side of the connecting pipe B4.

[0024] The staff connects the other end of the pump 2 to the storage device. Before using the device, the staff can drive the sleeve 7 to rotate through the motor 6. When the sleeve 7 rotates, the sleeve 7 will drive the threaded rod 5 to rise and fall outside the connecting pipe B4. When the connecting pipe B4 rises and falls, the connecting pipe B4 will synchronously drive the motor 6 to move. As a result, when the position of the motor 6 changes, the depth of the water source will change. The staff can then adjust the height of the motor 6 to sample different water layers.

[0025] When using the device, the staff starts pump 2. Once the pump is started, it will draw water into the storage device for storage, which will make it easier for the staff to take samples.

[0026] In an optional embodiment, the counterweight 9 is fixedly connected to the sealing plug 10, and both the counterweight 9 and the sealing plug 10 are slidably connected to the guide rail 11.

[0027] As described above, when pump 2 starts, in the initial state, both counterweight 9 and sealing plug 10 are located at the lower end of the sleeve 7. Since the inner diameter of the lower end of the sleeve 7 matches the outer diameter of the sealing plug 10, the sealing plug 10 will initially seal the inside of the sleeve 7. When pump 2 starts pumping water, a large negative pressure will be formed between the connecting pipe B4 and the inside of the sleeve 7. When the negative pressure is too large, it will cause the counterweight 9 and sealing plug 10 to rise rapidly along the guide rail 11. When the sealing plug 10 rises, it will simultaneously compress the spring 18. Because the upper end of the sleeve 7... Because the diameter is relatively large, when the counterweight 9 and the guide rail 11 move along the guide rail 11 to the upper end of the sleeve 7 under negative pressure, the sealing plug 10 will not seal the inside of the sleeve 7. Therefore, the water source will be drawn out by the pump through the threaded rod 5 and the connecting pipe B4. When the pump 2 continues to pump water, the water source will continuously enter the inside of the sleeve 7 through the filter screen 8. The negative pressure inside the connecting pipe B4 and the sleeve 7 and the impact force of the water source will continuously exert an upward thrust on the counterweight 9 and the sealing plug 10. Therefore, when the pump 2 is pumping water, the counterweight 9 and the sealing plug 10 will remain in the upper position inside the sleeve 7.

[0028] In an optional embodiment, a top rod 12 is slidably connected to one end of the guide rail 11 away from the filter screen 8, and a support plate 13 is fixedly connected to one end of the top rod 12. The two ends of the support plate 13 are respectively connected to two sets of piston rods 14.

[0029] As described above, during water sampling, as the sealing plug 10 rises along the guide rail 11, it will come into contact with the push rod 12. When the sealing plug 10 comes into contact with the push rod 12, the push rod 12 will simultaneously push the support plate 13 to rise. When the support plate 13 rises, it will push the two sets of piston rods 14 to retract into the two sets of guide tubes 15. Because the sealing plug 10 rises at a relatively fast speed, it will push the guide rail 11 to rise rapidly, and then the two sets of piston rods 14 will quickly enter the two sets of guide tubes 15.

[0030] In an optional embodiment, one end of each of the two sets of guide tubes 15 is connected to a hose 16, and the other end of the two sets of hoses 16 is connected to a nozzle 17, which is connected to the outside of the sleeve 7.

[0031] When the two sets of piston rods 14 rapidly enter the guide tube 15, they quickly compress gas into the two sets of hoses 16. Once inside the hoses 16, the gas is delivered to the nozzle 17. The nozzle 17 then sprays the gas around the sleeve 7 through multiple nozzles on its outer side. As the gas is sprayed around the sleeve 7, bubbles and sounds are generated, thereby driving away fish around the sleeve 7 and preventing them from spawning. The secretions of organisms can cause deviations in test results. However, by forming bubbles and making sounds in the water, the secretions can drive away fish and aquatic organisms near the casing 7, preventing fish from swimming, and preventing their mucus and excrement from polluting the water sample. This reduces the interference of biological factors on water quality test results and improves the authenticity and reliability of the test. At the same time, the gas creates a disturbance zone around the casing 7, which can pre-drain or dilute some of the water near the casing 7 that is affected by biological secretions before the formal water sampling, reducing water pollution and lowering the deviation of test data.

[0032] In an optional embodiment, a spring 18 is fixedly connected to one end of the sealing plug 10 away from the counterweight 9, and the other end of the spring 18 is connected to the guide rail 11.

[0033] When pumping stops, the operator turns off pump 2. After pump 2 is turned off, no negative pressure is generated inside connecting pipe B4 and sleeve 7, and no water flow exerts an upward thrust on sealing plug 10 and counterweight 9. At this time, the weight of counterweight 9 and the thrust of spring 18 work together to cause counterweight 9 and sealing plug 10 to descend rapidly along guide rail 11. As counterweight 9 descends rapidly, it will contact filter screen 8. Because counterweight 9 descends at a relatively fast speed, it will... The system generates a knocking vibration on the filter screen 8, thereby preventing the filter pores inside the filter screen 8 from becoming clogged. After the water pumping stops, the counterweight 9 falls rapidly under its own weight and the thrust of the spring 18, knocking and vibrating the filter screen 8. This shakes off the mud, algae, and debris attached to the filter screen 8, preventing the filter pores from becoming clogged, ensuring the filter screen remains unobstructed for a long time, and extending the continuous working time of the equipment. At the same time, the automatic knocking and clearing after each sampling reduces the frequency of filter screen 8 clogging and reduces the number of manual cleaning and maintenance operations in the field.

[0034] In an optional embodiment, the sealing plug 10 is embedded with two sets of guide tubes 19, and both sets of guide tubes 19 pass through the counterweight 9, and both sets of guide tubes 19 are provided with one-way valves.

[0035] When the sealing plug 10 is reset, it will seal the inside of the sleeve 7 again. At this time, the water remaining inside the connecting pipe B4 will be gradually discharged outward through the one-way valves inside the two sets of guide pipes 19, thereby preventing the water remaining inside the connecting pipe B4 from causing the water samples from different layers to mix during the next sampling, and preventing deviation in the test results.

[0036] Working principle: Before using the device, the operator can drive the sleeve 7 to rotate via the motor 6. When the sleeve 7 rotates, it will drive the threaded rod 5 to rise and fall outside the connecting pipe B4. When the connecting pipe B4 rises and falls, it will synchronously drive the motor 6 to move. As the position of the motor 6 changes, the depth of the water source will change. The operator can then adjust the height of the motor 6 to sample different water layers.

[0037] When using the device, the staff starts pump 2. Once the pump is started, pump 2 will draw water into the storage device for storage.

[0038] When pump 2 starts, initially, both counterweight 9 and sealing plug 10 are located at the lower end of sleeve 7. Since the inner diameter of the lower end of sleeve 7 matches the outer diameter of sealing plug 10, sealing plug 10 will initially seal the inside of sleeve 7. When pump 2 starts pumping water, a large negative pressure will form between connecting pipe B4 and the inside of sleeve 7. When the negative pressure is too large, it will cause counterweight 9 and sealing plug 10 to rise rapidly along guide rail 11. As sealing plug 10 rises, it will simultaneously compress spring 18. Because the inner diameter of the upper end of sleeve 7 is relatively large... Because the counterweight 9 and guide rail 11 move along guide rail 11 under negative pressure to the upper end of the sleeve 7, the sealing plug 10 will not seal the inside of the sleeve 7. Therefore, the water source will be drawn out by the pump through threaded rod 5 and connecting pipe B4. When the pump 2 continues to pump water, the water source will continuously enter the inside of the sleeve 7 through filter screen 8. The negative pressure inside the connecting pipe B4 and the sleeve 7 and the impact force of the water source will continuously exert an upward thrust on the counterweight 9 and sealing plug 10. Therefore, when the pump 2 is pumping water, the counterweight 9 and sealing plug 10 will remain in the upper end of the inside of the sleeve 7.

[0039] During water sampling, as the sealing plug 10 rises along the guide rail 11, it comes into contact with the push rod 12. When the sealing plug 10 contacts the push rod 12, the push rod 12 simultaneously pushes the support plate 13 upwards. As the support plate 13 rises, it pushes the two sets of piston rods 14 to retract into the two sets of guide tubes 15. Because the sealing plug 10 rises relatively quickly, it pushes the guide rail 11 upwards rapidly, causing the two sets of piston rods 14 to quickly enter the two sets of guide tubes 15. Inside the 5, when the two sets of piston rods 14 quickly enter the guide tube 15, the two sets of piston rods 14 will quickly compress the gas into the two sets of hoses 16. When the gas enters the two sets of hoses 16, the two sets of hoses 16 will deliver the gas to the nozzle 17. When the gas enters the nozzle 17, the nozzle 17 will spray the gas around the sleeve 7 through multiple sets of nozzles on the outside. When the gas is sprayed around the sleeve 7 through multiple sets of nozzles, the gas will generate bubbles and sounds around the sleeve 7.

[0040] When the pumping stops, the operator turns off pump 2. When pump 2 is turned off, there will be no negative pressure inside the connecting pipe B4 and sleeve 7, and no water flow will exert an upward thrust on the sealing plug 10 and counterweight 9. At this time, with the weight of the counterweight 9 and the thrust of the spring 18 working together, the counterweight 9 and sealing plug 10 will descend rapidly along the guide rail 11. When the counterweight 9 descends rapidly, it will come into contact with the filter screen 8. Because the counterweight 9 descends at a fast speed, it will knock and vibrate the filter screen 8.

[0041] When the sealing plug 10 is reset, it will seal the inside of the sleeve 7 again. At this time, the water remaining inside the connecting pipe B4 will be gradually discharged outward through the one-way valves inside the two sets of guide pipes 19.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated drinking water sample collection device, comprising a mounting base (1), characterized in that, A pump (2) is installed on the upper end of the mounting base (1). The output end of the pump (2) is connected to a connecting pipe A (3). A connecting pipe B (4) slides on the outside of the connecting pipe A (3). One end of the connecting pipe B (4) is connected to a sleeve (7). The end of the sleeve (7) away from the connecting pipe B (4) is connected to a filter screen (8). A guide rail (11) is installed inside the sleeve (7). A counterweight (9) and a sealing plug (10) slide vertically along the guide rail (11) inside the sleeve (7). Two sets of guide pipes (15) are installed on the outer wall of the sleeve (7). A piston rod (14) driven by the sealing plug (10) slides inside both sets of guide pipes (15). One end of the two sets of guide pipes (15) is connected to a nozzle (17). Multiple nozzles are provided on the outside of the nozzle (17).

2. The automated drinking water sample collection device according to claim 1, characterized in that... A motor (6) is installed on the upper end of the mounting base (1). A threaded rod (5) is connected to the output end of the motor (6). The other end of the threaded rod (5) passes through the mounting base (1) and extends to the lower end of the mounting base (1) to be threadedly connected to the outer side of the connecting pipe B (4).

3. The automated drinking water sample collection device according to claim 1, characterized in that, The counterweight (9) is fixedly connected to the sealing plug (10), and both the counterweight (9) and the sealing plug (10) are slidably connected to the guide rail (11).

4. The automated drinking water sample collection device according to claim 1, characterized in that, The guide rail (11) is slidably connected to a top rod (12) at one end away from the filter screen (8). A support plate (13) is fixedly connected to one end of the top rod (12). The two ends of the support plate (13) are respectively connected to two sets of piston rods (14).

5. The automated drinking water sample collection device according to claim 1, characterized in that, Both sets of guide tubes (15) are connected to a hose (16) at one end, and the other end of the two sets of hoses (16) is connected to the nozzle (17). The nozzle (17) is connected to the outside of the sleeve (7).

6. The automated drinking water sample collection device according to claim 1, characterized in that, A spring (18) is fixedly connected to one end of the sealing plug (10) away from the counterweight (9), and the other end of the spring (18) is connected to the guide rail (11).

7. The automated drinking water sample collection device according to claim 1, characterized in that, The sealing plug (10) is equipped with two sets of guide tubes (19), and both sets of guide tubes (19) pass through the counterweight (9). Both sets of guide tubes (19) are equipped with one-way valves.

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