Water quality sampling method for water quality detection

Abstract

This invention discloses a water sampling method for water quality testing, relating to the field of water quality testing, including the following steps: Step 1, water area sampling: a remote-controlled boat is placed on the water area to be sampled, and then the drive motor is started to control the rotation of the rope roller. Step 2, connection preparation: after water sampling is completed and the sample is discharged into the container, the fixed motor of the lifting assembly is activated. Step 3, internal cavity cleaning: the pump in the reagent tank sends disinfectant into the injection plate and sprays it from the injection nozzle into the sampling cavity to immerse and disinfect the inner cavity wall. Then, the push plate drives the sampling tank to reset and push again, so that the disinfectant is discharged. Then, the pump in the clean water tank sends clean water into the injection plate and sprays it from the injection nozzle into the sampling cavity. This application can clean the sampling cavity of the sampling tank after water sampling is completed, preventing microbial contamination of the sample in subsequent sampling and ensuring the accuracy of the test results.

Description

Technical Field

[0001] This invention relates to the technical field of water quality testing, specifically a water sampling method for water quality testing. Background Technology

[0002] Water quality testing refers to the qualitative and quantitative determination of various pollutants in water bodies to evaluate water quality and take corresponding measures to improve it. Water sampling is a key step in obtaining water samples during water quality testing. Water sampling usually uses certain sampling tools and methods to collect a certain amount of water samples from the surface or bottom of the water body so that the laboratory can analyze and test the water samples.

[0003] A water quality testing sampling device described in the prior art includes a remote-controlled boat and a sampling device. The remote-controlled boat is remotely controlled via infrared. The sampling device includes a left compartment, a right compartment, and a sealed control room. The left compartment is connected to the control room. A rotating shaft is installed in the control room and extends into the left compartment. The rotating shaft is driven by a motor and has a threaded rod connected to its end. A threaded hole is provided in the right compartment. The remote-controlled boat is equipped with a controller, a lifting roller, and a waterproof cable. The controller is equipped with an infrared remote receiving module and is remotely connected to the infrared remote receiving module via an infrared transmitter. The lifting roller is driven by a motor. The controller is remotely operated via an infrared remote control module to control motors one and two.

[0004] While the aforementioned technology facilitates comprehensive sampling of the entire water area and allows for the collection of samples at different depths, the inner wall may harbor a large number of pathogenic microorganisms after sampling. This makes it difficult to clean and disinfect the inner wall, potentially contaminating subsequent water samples and affecting the accuracy of the test results. Summary of the Invention

[0005] Therefore, the purpose of this invention is to provide a water sampling method for water quality testing, so as to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A water sampling method for water quality testing includes the following steps:

[0008] Step 1: Water sampling. Place the remote-controlled boat on the water area where sampling is required, then start the drive motor to control the rotation of the rope roller. The waterproof rope will loosen and the sampling container will sink into the water. Then, start an electric telescopic cylinder to disengage the sealing block from the through hole. Water will enter the sampling chamber through the through hole. After sampling is completed, the sealing block will be reset and the waterproof rope will be wound up to return the sampling container to the storage tank.

[0009] Step 2, Connection Preparation: After water sampling is completed and the sample is placed into the container, the fixed motor of the lifting component starts working. Through chain drive, the screw rotates and moves the lower plate and connecting plate, so that the injection plate moves into the receiving tank through the perforation. Then, through the contact of the conductive block, the push plate of the component is pushed to move the sampling tank, so that the injection nozzle of the injection plate is inserted into the through hole.

[0010] Step 3: Inner cavity cleaning. The pump in the medicine tank sends disinfectant into the injection plate and sprays it from the injection nozzle into the sampling cavity to soak and disinfect the inner cavity wall. Then, the push plate drives the sampling tank to reset and push it again to discharge the disinfectant. Next, the pump in the water tank sends clean water into the injection plate and sprays it from the injection nozzle into the sampling cavity to rinse the inner cavity wall, clean the residual disinfectant, and then discharge it.

[0011] Support plates are fixed on both sides of the upper surface of the remote-controlled boat. A rope-winding roller is rotatably installed at the center of the two support plates. A waterproof rope is wound on the rope-winding roller. A storage groove for storing a sampling container is opened at the center of the bottom of the remote-controlled boat. A fixing block is welded at the center of the top surface of the sampling container. The end of the waterproof rope passes through the hull of the remote-controlled boat and is fixedly connected to the fixing block. A drive motor is bolted to the outer wall of one of the support plates. The output end of the drive motor is fixedly connected to the rope-winding roller. A liquid injection plate is provided on one side of the rope-winding roller. A square perforation is opened at the top of the storage groove at the liquid injection plate. A connecting plate is fixed to the top of the liquid injection plate. A downward moving plate is fixed to the top of the connecting plate. A strip groove and a moving through groove are respectively opened on the two support plates. A lifting component is provided in the strip groove and the moving through groove. The two ends of the downward moving plate are connected to the actuator of the lifting component.

[0012] The sampling tank has a control chamber at one end and sampling chambers symmetrically arranged at the other end. One end wall of the sampling tank has several through holes communicating with the two sampling chambers. Each sampling chamber has a sealing plate, and the end faces of both sealing plates have sealing blocks matching the through holes. The injection plate has injection nozzles matching the through holes on its side near the rope roller. The receiving groove has a pushing assembly used to push the sampling tank down onto the injection plate. The upper surface of the remote-controlled boat, located outside the support plate, has a clean water tank and a reagent tank. The clean water tank is connected to the injection plate via a water supply pipe and a first telescopic pipe, and the reagent tank is connected to the injection plate via a supply pipe and a second telescopic pipe.

[0013] The top of the water tank and the medicine tank are fixed with a top plate. The tops of the two support plates are fixedly connected to the top plate. The water supply pipe and the liquid supply pipe are horizontally arranged and pass through the top of the support plate. The first telescopic pipe and the second telescopic pipe are symmetrically arranged inside the connecting plate. The tops of the first telescopic pipe and the second telescopic pipe pass through the lower plate and are respectively connected to the water supply pipe and the liquid supply pipe. The bottoms of the first telescopic pipe and the second telescopic pipe are connected to the liquid injection plate.

[0014] The lifting assembly includes a slide rail and a lead screw. The slide rail is fixed in a slotted groove, and the lead screw is rotatably installed in a movable channel. A drive cavity is formed at the bottom inner end of a support plate below the movable channel. The bottom end of the lead screw passes through the drive cavity and is rotatably connected to the bottom wall of the cavity. A small sprocket is fixedly installed on the outer wall of the bottom end of the lead screw. An mounting plate is fixed between the medicine tank and the support plate. A fixed motor is bolted to the upper surface of the mounting plate. The output end of the fixed motor passes through the mounting plate and is rotatably connected to the deck of the remote-controlled boat. A large sprocket is fixed to the outside of the output end of the fixed motor. The small sprocket and the large sprocket are connected by a transmission chain.

[0015] The pushing component includes a stop block, the two ends of which are fixedly connected to the top of the storage groove wall. The end face of the stop block is provided with an abutment groove that matches the top surface of the sampling container. The end face of the abutment groove is provided with a push plate on the side of the sampling container away from the through hole.

[0016] Specifically, in this technical solution, one end of the lowering plate is slidably connected to the slide rail, the other end of the lowering plate is sleeved on the lead screw and a block is fixed through the moving groove on the end face, an L-shaped plate is fixed on the upper surface of the other side of the block, a fixing plate is provided above the fixing motor, and one side of the fixing plate is fixedly connected to the outer wall of the medicine box.

[0017] Specifically, in this technical solution, a second conductive block is embedded in the lower surface of the L-shaped plate, and a first conductive block is embedded in one side of the upper surface of the fixing plate, wherein the first conductive block and the second conductive block are matched.

[0018] Specifically, in this technical solution, a pneumatic telescopic cylinder is installed inside the stop block. The telescopic end of the pneumatic telescopic cylinder is fixedly connected to the push plate. An electromagnet is embedded in the side of the push plate near the sampling tank. The electromagnet is magnetically attracted to the outer wall of the sampling tank.

[0019] Specifically, in this technical solution, electric telescopic cylinders are symmetrically fixed in the control cavity. The telescopic ends of the two electric telescopic cylinders are inserted into the sampling cavity and fixedly connected to the sealing plate. A controller is provided between the two electric telescopic cylinders, and the controller is fixedly connected to the inner wall of the control cavity.

[0020] Specifically, in this technical solution, a control box is installed on the upper surface of the remote-controlled boat, located outside the medicine tank.

[0021] In summary, the present invention has the following advantages: after water sampling is completed, the sampling chamber of the sampling tank can be cleaned to prevent microbial contamination of the sample taken in subsequent sampling, thus ensuring the accuracy of the test results.

[0022] First, the remote-controlled boat is placed in the water area where sampling is required. The boat is then remotely moved and sampled via a control box. During sampling, the drive motor rotates the rope roller, causing the waterproof rope to loosen. The sampling container sinks into the water under gravity. Once the sampling depth is reached, an electric telescopic cylinder is activated to move the sealing plate. The sealing block separates from the through hole, and water enters the sampling chamber. The sealing plate then resets and re-blocks the through hole, completing the sampling. The two sampling chambers can sample water at different depths, improving sampling efficiency.

[0023] After the sample is discharged, the fixed motor of the lifting assembly operates, driving the lead screw to rotate via chain drive. This causes the lowering plate to move downwards under the constraint of the slide rail, following the rotation of the lead screw. The lowering plate moves downwards via the connecting plate, passing through the perforation to the front of the through hole of the sampling can. As the lowering plate moves downwards, it also moves the L-shaped plate. After the injection plate moves into place, the second conductive block of the L-shaped plate contacts the first conductive block, causing the pneumatic telescopic cylinder and electromagnet to operate. The electromagnet generates magnetism to attract the end of the sampling can, while the telescopic end of the pneumatic telescopic cylinder pushes the sampling can to move via the push plate, so that several through holes fit onto the injection nozzle.

[0024] Then the pump in the reagent tank works to inject disinfectant into the sampling chamber for disinfection. After a period of time, the push plate drives the sampling canister to reset, allowing the disinfectant to be discharged from the through hole. Then it is reattached to the injection nozzle. The pump in the water tank works to inject clean water into the sampling chamber to clean up the residual disinfectant, and then it is discharged to complete the disinfection and cleaning process. Attached Figure Description

[0025] Figure 1 This is a diagram illustrating the method steps of the present invention;

[0026] Figure 2 This is a schematic diagram of the sampling device of the present invention;

[0027] Figure 3 This is a front sectional view of the present invention;

[0028] Figure 4 This is an enlarged view of point A in the present invention;

[0029] Figure 5 This is a schematic diagram of the lowering plate of the present invention;

[0030] Figure 6 This is a structural diagram of the driving component of the present invention;

[0031] Figure 7 This is an enlarged view of section B of the present invention;

[0032] Figure 8 This is a top sectional view of the sampling vessel of the present invention.

[0033] Attached Figure Descriptions: 1. Remote-controlled boat; 101. Storage trough; 102. Perforation; 103. Clean water tank; 104. Medicine tank; 105. Top plate; 106. Support plate; 1061. Strip groove; 1062. Moving through groove; 1063. Drive chamber; 107. Control box; 2. Sampling container; 201. Sampling chamber; 2011. Through hole; 202. Control chamber; 2021. Electric telescopic cylinder; 2022. Controller; 203. Sealing plate; 2031. Sealing block; 204. Fixing block; 3. Rope winding roller; 301. Waterproof rope; 302. Drive motor; 4. Injection plate; 401. 402. Connecting plate; 4021. Lowering plate; 4022. Block; 4023. L-shaped plate; 4024. Second conductive block; 5. Lifting assembly; 501. Slide rail; 502. Lead screw; 503. Small sprocket; 504. Large sprocket; 505. Transmission chain; 506. Mounting plate; 507. Fixing plate; 5071. First conductive block; 508. Fixed motor; 6. Pushing assembly; 601. Stop block; 6011. Abutment groove; 602. Pneumatic telescopic cylinder; 603. Push plate; 6031. Electromagnet; 7. Water supply pipe; 701. First telescopic pipe; 8. Liquid supply pipe; 801. Second telescopic pipe. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0035] The embodiments of the present invention will now be described. Example

[0036] Please refer to Figures 1-8 for a water quality sampling method for water quality testing, which includes the following steps:

[0037] Step 1: Water sampling. Place the remote-controlled boat 1 on the water area where sampling is required, then start the drive motor 302 to control the rotation of the rope roller 3. The waterproof rope 301 is loosened, causing the sampling container 2 to sink into the water. Then, start an electric telescopic cylinder 2021 to disengage the sealing block 2031 from the through hole 2011. Water enters the sampling chamber 201 from the through hole 2011. After sampling is completed, the sealing block 2031 is reset, and the waterproof rope 301 is wound up, causing the sampling container 2 to return to the storage tank 101.

[0038] Step 2, Connection Preparation: After water sampling is completed and the sample is placed into the container, the fixed motor 508 of the lifting component 5 is activated. Through chain transmission, the lead screw 502 is rotated, which drives the lowering plate 402 and the connecting plate 401 to move, so that the injection plate 4 moves into the receiving tank 101 through the perforation 102. Then, through the contact of the conductive block, the push plate 603 of the push component 6 pushes the sampling tank 2 to move, so that the injection nozzle of the injection plate 4 is inserted into the through hole 2011.

[0039] Step 3: Inner cavity cleaning. The pump in the medicine tank 104 sends disinfectant into the injection plate 4 and sprays it from the injection nozzle into the sampling chamber 201 to soak and disinfect the inner cavity wall. Then, the push plate 603 drives the sampling tank 2 to reset and push it again, so that the disinfectant is discharged. Next, the pump in the clean water tank 103 sends clean water into the injection plate 4 and sprays it from the injection nozzle into the sampling chamber 201 to rinse the inner cavity wall, clean the residual disinfectant, and then discharge it.

[0040] In this application, pump bodies are installed in both the clean water tank 103 and the medicine tank 104. The water supply pipe 7 is connected to the pump body in the clean water tank 103, and the liquid supply pipe 8 is connected to the pump body in the medicine tank 104. The control box 107 is wirelessly connected to the remote control device to realize remote control operation, which is the prior art and has not been described in detail in this paper. Furthermore, the control box 107 can control all electrical components.

[0041] Please see Figure 2-8 As shown, support plates 106 are fixed on both sides of the upper surface of the remote-controlled boat 1. A rope winding roller 3 is rotatably installed at the center of the two support plates 106, and a waterproof rope 301 is wound on the rope winding roller 3. A storage slot 101 for storing the sampling container 2 is opened at the center of the bottom of the remote-controlled boat 1. A fixing block 204 is welded to the center of the top surface of the sampling container 2. The end of the waterproof rope 301 passes through the hull of the remote-controlled boat 1 and is fixedly connected to the fixing block 204. A drive motor 302 is bolted to the outer wall of one of the support plates 106. The output end of 02 is fixedly connected to the rope winding roller 3. A liquid injection plate 4 is provided on one side of the rope winding roller 3. A square perforation 102 is opened at the top of the receiving groove 101 at the liquid injection plate 4. A connecting plate 401 is fixed at the top of the liquid injection plate 4. A downward moving plate 402 is fixed at the top of the connecting plate 401. A strip groove 1061 and a moving through groove 1062 are respectively opened on the two support plates 106. A lifting component 5 is provided in the strip groove 1061 and the moving through groove 1062. The two ends of the downward moving plate 402 are connected to the actuator of the lifting component 5.

[0042] A control chamber 202 is provided at one end of the sampling tank 2, and a sampling chamber 201 is symmetrically provided at the other end of the sampling tank 2. A number of through holes 2011 communicating with the two sampling chambers 201 are provided on one end wall of the sampling tank 2. A sealing plate 203 is provided in each of the two sampling chambers 201. A sealing block 2031 matching the through hole 2011 is provided on the end face of each of the two sealing plates 203. An injection nozzle matching the through hole 2011 is provided on the side of the injection plate 4 near the rope roller 3. A pushing component 6 is provided in the receiving groove 101. The pushing component 6 is used to push the sampling tank 2 to the injection plate 4 after it has moved down. Electric telescopic cylinders 2021 are symmetrically fixed in the control chamber 202. The telescopic ends of the two electric telescopic cylinders 2021 are inserted into the sampling chamber 201 and fixedly connected to the sealing plate 203. A controller 2022 is provided between the two electric telescopic cylinders 2021. The controller 2022 is fixedly connected to the inner wall of the control chamber 202.

[0043] The upper surface of the remote-controlled boat 1, located outside the support plate 106, is equipped with a clean water tank 103 and a medicine tank 104. A control box 107 is installed on the upper surface of the remote-controlled boat 1, outside the medicine tank 104. The clean water tank 103 is connected to the injection plate 4 via a water supply pipe 7 and a first telescopic pipe 701. The medicine tank 104 is connected to the injection plate 4 via a water supply pipe 8 and a second telescopic pipe 801. A top plate 105 is fixed to the top of the clean water tank 103 and the medicine tank 104. Two support plates... The top of 106 is fixedly connected to the top plate 105. The water supply pipe 7 and the liquid supply pipe 8 are horizontally arranged and pass through the top of the support plate 106. The first telescopic pipe 701 and the second telescopic pipe 801 are symmetrically arranged inside the connecting plate 401. The top of the first telescopic pipe 701 and the second telescopic pipe 801 both pass through the lowering plate 402 and are respectively connected to the water supply pipe 7 and the liquid supply pipe 8. The bottom of the first telescopic pipe 701 and the second telescopic pipe 801 are connected to the liquid injection plate 4.

[0044] During water quality testing, staff place the remote-controlled boat 1 into the water area where sampling is required. Using the control box 107, the boat is remotely moved to the designated position. Then, the staff remotely activates the drive motor 302, which rotates the rope roller 3, causing the waterproof rope 301 to loosen. The sampling container 2 then sinks into the water under gravity. Once the sampling depth is reached, the drive motor 302 stops, and an electric telescopic cylinder 2021 in the sampling container 2 is activated. Its telescopic end drives the sealing plate 20. 3. The moving sealing plate 203 drives the blocking block 2031 to move, causing the blocking block 2031 to separate from the through hole 2011. After the water enters the sampling chamber 201 through the through hole 2011, the telescopic end of the electric telescopic cylinder 2021 pushes the sealing plate 203 to reset and re-block the through hole 2011, thus completing the sampling. The two sampling chambers 201 can sample water at different depths, improving sampling efficiency. In addition, the through hole 2011 can filter impurities in the water, such as aquatic plants and small stones.

[0045] After sampling is completed and the sample is discharged into the storage container through the through hole 2011, the drive source of the remote control lifting component 5 is activated. The drive source drives the actuator to move through the chain drive, causing the lowering plate 402 to move downward along the strip groove 1061 and the moving through groove 1062, and drives the injection plate 4 to move downward through the connecting plate 401. When the injection plate 4 moves downward, the first telescopic tube 701 and the second telescopic tube 801 will extend. The injection plate 4 moves through the through hole 102 to the front of the through hole 2011 of the sampling tank 2. At this time, the contact conductive block will cause the actuator of the pushing component 6 to work to move the sampling tank 2. Several through holes 2011 are fitted onto the injection nozzle.

[0046] Then, the pump in the reagent tank 104 operates to inject disinfectant into the sampling chamber 201 through the supply pipe 8, the second telescopic pipe 801, and the injection nozzle for disinfection. After a period of time, the actuator of the push assembly 6 drives the sampling tank 2 to reset, and the disinfectant is discharged from the through hole 2011. Then, it moves again to contact the injection plate 4, and the pump in the clean water tank 103 operates to inject clean water into the sampling chamber 201 through the water supply pipe 7, the first telescopic pipe 701, and the injection nozzle to clean up the residual disinfectant. Then, it is discharged to complete the disinfection and cleaning process. Thus, this application can clean the sampling chamber 201 of the sampling tank 2 after the water quality sampling is completed, to prevent microbial contamination of the sample taken in subsequent sampling, and to ensure the accuracy of the test results.

[0047] Please see Figure 3 , Figure 5 and Figure 7As shown, the lifting assembly 5 includes a slide rail 501 and a lead screw 502. The slide rail 501 is fixed in the strip groove 1061, and the lead screw 502 is rotatably installed in the movable channel 1062. A drive cavity 1063 is formed at the bottom of a support plate 106 located below the movable channel 1062. The bottom end of the lead screw 502 passes through the drive cavity 1063 and is rotatably connected to the bottom wall of the cavity. A small sprocket 503 is fixedly installed on the outer wall of the bottom end of the lead screw 502. An mounting plate 506 is fixed between the medicine tank 104 and the support plate 106. A fixed motor 508 is bolted to the upper surface of the mounting plate 506. The output end of the fixed motor 508 passes through the mounting plate 506 and is rotatably connected to the deck of the remote-controlled boat 1. A large sprocket 504 is fixed externally. A small sprocket 503 is connected to the large sprocket 504 via a transmission chain 505. One end of the lowering plate 402 is slidably connected to the slide rail 501. The other end of the lowering plate 402 is sleeved on the lead screw 502 and the end face passes through the moving through groove 1062 to fix a block 4021. An L-shaped plate 4022 is fixed on the upper surface of the other side of the block 4021. A fixing plate 507 is provided above the fixing motor 508. One side of the fixing plate 507 is fixedly connected to the outer wall of the medicine box 104. A second conductive block 4023 is embedded in the lower surface of the L-shaped plate 4022. A first conductive block 5071 is embedded in one side of the upper surface of the fixing plate 507. The first conductive block 5071 matches the second conductive block 4023.

[0048] When the fixed motor 508 in the lifting assembly 5 is working, the output end of the fixed motor 508 drives the large sprocket 504 to rotate. The rotating large sprocket 504 drives the small sprocket 503 to rotate through the transmission chain 505. The small sprocket 503 drives the threaded lead screw 502 to rotate. At this time, the lowering plate 402 moves down along the strip groove 1061 and the moving through groove 1062 under the restriction of the slide rail 501. The lowering plate 402 drives the injection plate 4 to move through the connecting plate 401. When the lowering plate 402 moves, it also drives the block 4021 to move. The block 4021 drives the L-shaped plate 4022 to move. When the injection plate 4 moves into place, the second conductive block 4023 embedded in the L-shaped plate 4022 will contact the first conductive block 5071 on the fixed plate 507, thereby activating the pushing assembly 6 to connect the sampling tank 2 with the injection plate 4.

[0049] Please see Figure 3 and Figure 6As shown, the pushing component 6 includes a stop block 601. Both ends of the stop block 601 are fixedly connected to the top of the groove wall of the storage groove 101. An abutment groove 6011 is provided on the end face of the stop block 601. The abutment groove 6011 matches the top surface of the sampling container 2. A push plate 603 is provided on the end face of the abutment groove 6011 on the side of the sampling container 2 away from the through hole 2011. A pneumatic telescopic cylinder 602 is installed inside the stop block 601. The telescopic end of the pneumatic telescopic cylinder 602 is fixedly connected to the push plate 603. An electromagnet 6031 is embedded in the side of the push plate 603 near the sampling container 2. The electromagnet 6031 is magnetically attracted to the outer wall of the sampling container 2.

[0050] The pneumatic telescopic cylinder 602 and electromagnet 6031 in component 6 are activated. The telescopic end of the pneumatic telescopic cylinder 602 pushes the push plate 603 to move, so that the end face of the push plate 603 contacts the end face of the sampling can 2. The magnetism generated by the electromagnet 6031 when energized can attract the sampling can 2 in contact, which facilitates the movement of the sampling can 2. Under the push of the push plate 603, the sampling can 2 moves along the abutment groove 6011, so that the other side of the sampling can 2 can contact the liquid injection plate 4. The liquid injection nozzle will be inserted into the through hole 2011 for subsequent disinfection and cleaning.

[0051] The working principle of this invention is as follows:

[0052] During water quality testing, staff place the remote-controlled boat 1 into the water area where sampling is required. The boat is then remotely moved via the control box 107. Once the boat is in the designated position, the staff remotely starts the drive motor 302, which rotates the rope roller 3, causing the waterproof rope 301 to loosen. The sampling tank 2 then sinks into the water under gravity. After reaching the sampling depth, the drive motor 302 stops and activates an electric telescopic cylinder 2021 in the sampling tank 2. The telescopic end of the cylinder moves the sealing plate 203, which in turn moves the blocking block 2031, causing it to separate from the through hole 2011. Water then enters the sampling chamber 201 through the through hole 2011. The telescopic end of the electric telescopic cylinder 2021 then pushes the sealing plate 203 back to its original position, re-blocking the through hole 2011 and completing the sampling.

[0053] After sampling is completed and the sample is discharged into the storage container through the through hole 2011, the fixed motor 508 of the remote control lifting assembly 5 is activated. The output end of the fixed motor 508 drives the large sprocket 504 to rotate. The rotating large sprocket 504 drives the small sprocket 503 to rotate through the transmission chain 505. The small sprocket 503 drives the threaded lead screw 502 to rotate. At this time, the lowering plate 402 moves down along the strip groove 1061 and the moving through groove 1062 under the restriction of the slide rail 501 and the rotation of the lead screw 502. The lowering plate 402 moves down through the connecting plate 401 and drives the injection plate 4 to move. When the injection plate 4 moves down, the first telescopic tube 701 and the second telescopic tube 801 will extend. The injection plate 4 moves through the through hole 102 to the front of the through hole 2011 of the sampling tank 2.

[0054] When the lower plate 402 moves, it will also drive the block 4021 to move. The block 4021 will drive the L-shaped plate 4022 to move. When the injection plate 4 moves into place, the second conductive block 4023 embedded in the L-shaped plate 4022 will contact the first conductive block 5071 on the fixed plate 507, which will activate the pneumatic telescopic cylinder 602 and the electromagnet 6031 of the pushing assembly 6. The telescopic end of the pneumatic telescopic cylinder 602 will push the push plate 603 to move, so that the end face of the push plate 603 will contact the end face of the sampling can 2. The magnetism generated by the electromagnet 6031 when it is energized can attract the sampling can 2 in contact, which facilitates the movement of the sampling can 2. The sampling can 2 moves along the abutment groove 6011 under the push of the push plate 603, so that the other side of the sampling can 2 can contact the injection plate 4, and the injection nozzle will be inserted into the through hole 2011.

[0055] Then, the pump in the reagent tank 104 operates to inject disinfectant into the sampling chamber 201 through the supply pipe 8, the second telescopic pipe 801, and the injection nozzle for disinfection. After a period of time, the actuator of the push assembly 6 drives the sampling tank 2 to reset, and the disinfectant is discharged from the through hole 2011. Then, it moves again to contact the injection plate 4, and the pump in the clean water tank 103 operates to inject clean water into the sampling chamber 201 through the water supply pipe 7, the first telescopic pipe 701, and the injection nozzle to clean up the residual disinfectant. Then, it is discharged to complete the disinfection and cleaning process.

[0056] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A water sampling method for water quality testing, characterized in that... This includes the following steps: Step 1: Water sampling. Place the remote-controlled boat (1) on the water area where sampling is required, then start the drive motor (302) to control the rope roller (3) to rotate. The waterproof rope (301) is loosened so that the sampling can (2) sinks into the water. Then, start an electric telescopic cylinder (2021) so that the sealing block (2031) is disengaged from the through hole (2011). Water enters the sampling chamber (201) from the through hole (2011). After sampling is completed, the sealing block (2031) is reset, and the waterproof rope (301) is wound up so that the sampling can (2) returns to the storage tank (101). Step 2, Connection Preparation: After water quality sampling is completed and the sample is placed into the container, the fixed motor (508) of the lifting component (5) is working. The chain drive drives the lead screw (502) to rotate, which in turn drives the lower plate (402) and the connecting plate (401) to move, so that the injection plate (4) moves into the receiving tank (101) through the perforation (102). Then, through the contact of the conductive block, the push plate (603) of the push component (6) pushes the sampling tank (2) to move, so that the injection nozzle of the injection plate (4) is inserted into the through hole (2011). Step 3: Cleaning the inner cavity. The pump in the medicine tank (104) sends the disinfectant into the injection plate (4) and sprays it from the injection nozzle to the sampling cavity (201) to soak and disinfect the inner cavity wall. Then, the push plate (603) drives the sampling tank (2) to reset and push it again, so that the disinfectant is discharged. Then, the pump in the water tank (103) sends clean water into the injection plate (4) and sprays it from the injection nozzle to the sampling cavity (201) to rinse the inner cavity wall, clean the residual disinfectant, and then discharge it. Support plates (106) are fixed on both sides of the upper surface of the remote-controlled boat (1). A rope winding roller (3) is rotatably installed at the center of the two support plates (106). A waterproof rope (301) is wound on the rope winding roller (3). A storage slot (101) for storing a sampling container (2) is opened at the center of the bottom of the remote-controlled boat (1). A fixing block (204) is welded at the center of the top surface of the sampling container (2). The end of the waterproof rope (301) passes through the hull of the remote-controlled boat (1) and is fixedly connected to the fixing block (204). A drive motor (302) is bolted to the outer wall of one of the support plates (106). The output end of the ) is fixedly connected to the winding roller (3). The winding roller (3) has a liquid injection plate (4) on one side. The top of the storage groove (101) is provided with a square perforation (102) at the liquid injection plate (4). The top of the liquid injection plate (4) is fixed with a connecting plate (401). The top of the connecting plate (401) is fixed with a downward moving plate (402). The two support plates (106) are respectively provided with a strip groove (1061) and a moving through groove (1062). The strip groove (1061) and the moving through groove (1062) are provided with a lifting component (5). The two ends of the downward moving plate (402) are connected to the actuator of the lifting component (5). The sampling container (2) has a control cavity (202) at one end and a sampling cavity (201) symmetrically arranged at the other end. One end wall of the sampling container (2) has several through holes (2011) communicating with the two sampling cavities (201). Each of the two sampling cavities (201) has a sealing plate (203), and the end faces of both sealing plates (203) have sealing blocks (2031) matching the through holes (2011). The side of the injection plate (4) near the winding roller (3) has a sealing block that matches the through hole (2011). 011) Matching injection nozzle, the receiving slot (101) is provided with a pushing component (6), the pushing component (6) is used to push the sampling tank (2) down to the injection plate (4), the upper surface of the remote control boat (1) is provided with a clean water tank (103) and a medicine tank (104) on the outside of the support plate (106), the clean water tank (103) is connected to the injection plate (4) through a water supply pipe (7) and a first telescopic pipe (701), and the medicine tank (104) is connected to the injection plate (4) through a liquid supply pipe (8) and a second telescopic pipe (801); The top of the water tank (103) and the medicine tank (104) are fixed with a top plate (105). The tops of the two support plates (106) are fixedly connected to the top plate (105). The water supply pipe (7) and the liquid supply pipe (8) are horizontally arranged and pass through the top of the support plate (106). The first telescopic pipe (701) and the second telescopic pipe (801) are symmetrically arranged inside the connecting plate (401). The tops of the first telescopic pipe (701) and the second telescopic pipe (801) pass through the lowering plate (402) and are respectively connected to the water supply pipe (7) and the liquid supply pipe (8). The bottom ends of the first telescopic pipe (701) and the second telescopic pipe (801) are connected to the injection plate (4). The lifting assembly (5) includes a slide rail (501) and a lead screw (502). The slide rail (501) is fixed in a strip groove (1061), and the lead screw (502) is rotatably installed in a movable through groove (1062). A drive cavity (1063) is provided at the bottom of the inner end of a support plate (106) below the movable through groove (1062). The bottom end of the lead screw (502) passes into the drive cavity (1063) and is rotatably connected to the bottom wall of the cavity. A small chain is fixedly installed on the outer wall of the bottom end of the lead screw (502). A wheel (503) is provided. An installation plate (506) is fixed between the medicine box (104) and the support plate (106). A fixed motor (508) is installed on the upper surface of the installation plate (506) by bolts. The output end of the fixed motor (508) passes through the installation plate (506) and is rotatably connected to the deck of the remote control boat (1). A large sprocket (504) is fixed to the outside of the output end of the fixed motor (508). The small sprocket (503) and the large sprocket (504) are connected by a transmission chain (505). The pushing component (6) includes a stop (601), the two ends of which are fixedly connected to the top of the groove wall of the storage groove (101). The end face of the stop (601) is provided with an abutment groove (6011), which matches the top surface of the sampling tank (2). The end face of the abutment groove (6011) is provided with a push plate (603) on the side of the sampling tank (2) away from the through hole (2011).

2. The water sampling method for water quality testing according to claim 1, characterized in that, One end of the lowering plate (402) is slidably connected to the slide rail (501), and the other end of the lowering plate (402) is sleeved on the lead screw (502) and the end face passes through the moving through groove (1062) to fix a block (4021). An L-shaped plate (4022) is fixed on the upper surface of the other side of the block (4021). A fixing plate (507) is provided above the fixing motor (508), and one side of the fixing plate (507) is fixedly connected to the outer wall of the medicine box (104).

3. A water sampling method for water quality testing according to claim 2, characterized in that, The lower surface of the L-shaped plate (4022) is embedded with a second conductive block (4023), and the upper surface of the fixing plate (507) is embedded with a first conductive block (5071). The first conductive block (5071) matches the second conductive block (4023).

4. A water sampling method for water quality testing according to claim 1, characterized in that, The stop block (601) is equipped with a pneumatic telescopic cylinder (602). The telescopic end of the pneumatic telescopic cylinder (602) is fixedly connected to the push plate (603). An electromagnet (6031) is embedded in the side of the push plate (603) near the sampling tank (2). The electromagnet (6031) is magnetically attracted to the outer wall of the sampling tank (2).

5. A water sampling method for water quality testing according to claim 1, characterized in that, Electric telescopic cylinders (2021) are symmetrically fixed in the control cavity (202). The telescopic ends of the two electric telescopic cylinders (2021) are inserted into the sampling cavity (201) and fixedly connected to the sealing plate (203). A controller (2022) is provided between the two electric telescopic cylinders (2021), and the controller (2022) is fixedly connected to the inner wall of the control cavity (202).

6. A water sampling method for water quality testing according to claim 1, characterized in that, The control box (107) is installed on the upper surface of the remote-controlled boat (1) outside the medicine box (104).

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