Online sampling and detecting equipment for water pollutants

Abstract

The utility model discloses online sampling and detecting equipment for water pollutants, relates to the technical field of water pollutant detection, solves the technical problem that sampling, detecting and washing cannot be automatically and repeatedly carried out in the existing technical scheme, and comprises a main vehicle body, a mounting frame is fixedly mounted on the upper wall surface of the vehicle body, and a detecting pipe is fixedly mounted on the mounting frame; the detection pipe is a vertical pipe, a detection laser transmitter is arranged at the upper end in the detection pipe, and a detection laser receiver is fixedly mounted at the lower end of the detection pipe. According to the utility model, the unique control valve is matched with a sampling and flushing structure, so that the automatic switching of water samples and the automatic flushing of the detection pipe can be realized; water sample residues and cross contamination are effectively avoided, and the accuracy and representativeness of detection data are greatly improved; the device integrates a controller and a touch screen, operation can be completed conveniently in a touch mode, multiple sampling detection modes are supported, manual guarding is not needed, and the device is suitable for long-time unmanned online monitoring in various water environments.

Description

Technical Field

[0001] This utility model relates to the field of sampling and detection technology, specifically to an online sampling and detection device for water pollutants. Background Technology

[0002] This invention relates to an online sampling and detection device for water pollutants, an integrated and automated high-tech apparatus capable of continuous automatic sampling and online detection of pollutants in rivers, lakes, and reservoirs. This device is typically equipped with multiple water quality sensors and analysis modules, enabling real-time monitoring of key water quality indicators such as pH, conductivity, dissolved oxygen, turbidity, ammonia nitrogen, total phosphorus, and heavy metal ions. Through a preset program, the device can automatically collect water samples at set time intervals or under unexpected conditions, perform rapid analysis, and remotely transmit the data to a monitoring platform for real-time information sharing. Furthermore, most devices possess intelligent management functions such as self-cleaning, self-calibration, and automatic alarms, significantly reducing manual maintenance and improving the accuracy and continuity of detection.

[0003] The application of this type of equipment is of great significance. On the one hand, it overcomes the time delays and spatial blind spots inherent in traditional manual sampling and testing, enabling 24 / 7, uninterrupted, and comprehensive dynamic monitoring of water quality, greatly improving the efficiency of early warning and response speed for pollution problems. On the other hand, continuous and stable data collection provides solid data support for water environment quality assessment, pollution source tracing analysis, and water resource management decisions, promoting the development of water environment management towards intelligence and scientific methods. Simultaneously, the widespread application of this equipment helps save manpower and material costs, ensures drinking water safety, and maintains ecosystem health, which is of significant practical importance for promoting ecological civilization construction and sustainable development.

[0004] Existing technical solutions have the technical problem of not being able to automatically repeat sampling and rinsing. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an online sampling and detection device for water pollutants, which solves the technical problem that existing technical solutions cannot automatically repeat sampling, detection, and rinsing.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an online sampling and detection device for water pollutants, comprising a main vehicle body, a mounting frame fixedly installed on the upper wall of the vehicle body, a detection tube fixedly installed on the mounting frame, the detection tube being a vertical tube, a detection laser emitter disposed at the upper end of the detection tube, a detection laser receiver fixedly installed at the lower end of the detection tube, detection electrodes fixedly installed at the upper and lower ends of the detection tube, a flushing structure installed on the upper wall of the main vehicle body, a sampling structure fixedly installed on the upper wall of the main vehicle body above the detection tube, and a drainage structure fixedly installed below the detection tube.

[0007] Preferably, a control valve is fixedly installed at the upper end of the detection tube. The output end of the control valve is connected to the upper end of the detection tube, and the input end of the control valve is connected to the output end of the sampling structure and the output end of the rinsing structure, respectively. The detection tube is vertically arranged, which facilitates the natural flow of water samples within the tube and the separation of sedimented impurities, thereby improving the representativeness of the detection. The detection laser emitter and receiver are located at opposite ends, enabling precise optical detection of pollutants in the water sample. The detection electrodes at the upper and lower ends can achieve multi-parameter linkage monitoring, improving detection efficiency and accuracy.

[0008] Preferably, the flushing structure includes a water tank, which is fixedly installed on the main body of the vehicle. A first submersible pump is fixedly installed inside the water tank, and the output end of the first submersible pump is fixedly connected to one input end of the control valve. The flushing structure can automatically clean the detection channel and components, effectively preventing signal interference and cross-contamination caused by contaminants or residual impurities adhering to the detection tube wall, ensuring the objectivity and accuracy of each test. The preferred use of a water tank and a first submersible pump achieves efficient water flow control and automation of the flushing process.

[0009] Preferably, the sampling structure includes a sampling tube, the output end of which is connected to the input end of the control valve. A second submersible pump is fixedly installed at the input end of the sampling tube, and a sampling head is provided at the input end of the second submersible pump. The sampling structure automatically collects samples from the target water body through the second submersible pump and the sampling head, realizing timed and quantitative sampling under remote or unattended conditions. The switching between the sampling tube and the control valve ensures the independence of samples from different detection cycles, avoiding cross-contamination.

[0010] Preferably, a solenoid valve is fixedly installed at the lower end of the detection tube, and a drain pipe is provided at the lower end of the solenoid valve; by setting a solenoid valve at the lower end of the detection tube and communicating with the drain pipe, the residual liquid can be discharged in a timely and accurate manner after the detection is completed, preventing the residual liquid from affecting subsequent detections, and improving the self-cleaning capability of the system.

[0011] Preferably, a controller is fixedly installed on the main vehicle body, and a touch screen is fixedly installed on the side wall of the controller; the matching touch screen allows operators to intuitively set detection parameters and turn on / off various function modes, improving the human-computer interaction experience and operational convenience.

[0012] Preferably, a communication terminal is fixedly installed on the upper wall of the main vehicle body, and a communication antenna is fixedly installed on the communication terminal. A rechargeable battery is fixedly installed on the lower wall of the main vehicle body; this facilitates unmanned on-site management and real-time monitoring. The rechargeable battery provides energy for the continuous operation of the equipment, improving its field operation capabilities and flexibility.

[0013] Preferably, the lower wall of the main vehicle body is equipped with casters; this makes the entire equipment easy to move and deploy, facilitates the switching of detection points, and adapts to the on-site working needs of different water environments.

[0014] Beneficial effects

[0015] This invention provides an online sampling and detection device for water pollutants. Through the unique combination of a control valve and sampling / rinsing structure, it enables automatic switching of water samples and automatic rinsing of the detection tube, effectively avoiding water sample residue and cross-contamination, and significantly improving the accuracy and representativeness of the detection data. The device integrates a controller and touch screen, allowing all operations to be completed with a single button. It supports multiple sampling and detection modes, including timed, remote, and on-site modes, requiring no manual supervision and suitable for long-term unattended online monitoring in various water environments. By combining laser detection, detection electrodes, and other detection methods, it can achieve synergistic detection of multiple pollutants, providing accurate data and sensitive response, enabling timely capture of abnormal changes in the water environment. The main vehicle has a reasonable structural layout and high integration, equipped with casters and a rechargeable battery, facilitating on-site transfer and rapid deployment, meeting the needs of multi-point, multi-area mobile detection. Attached Figure Description

[0016] Figure 1 This is a side view cross-sectional structural diagram of the online sampling and detection device for water pollutants described in this utility model.

[0017] In the diagram: 1. Main body; 2. Mounting bracket; 3. Detection tube; 4. Detection laser emitter; 5. Detection laser receiver; 6. Detection electrode; 7. Control valve; 8. Water tank; 9. First submersible pump; 10. Sampling tube; 11. Second submersible pump; 12. Sampling head; 13. Solenoid valve; 14. Drain pipe; 15. Controller; 16. Touch screen; 17. Communication terminal; 18. Communication antenna; 19. Rechargeable battery; 20. Casters; Detailed Implementation

[0018] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Detailed description follows.

[0019] Please see Figure 1 This utility model provides a technical solution: an online sampling and detection device for water pollutants, including a main vehicle body 1, a mounting frame 2 fixedly installed on the upper wall of the vehicle body, a detection tube 3 fixedly installed on the mounting frame 2, the detection tube 3 being a vertical tube, a detection laser emitter 4 disposed at the upper end of the detection tube 3, a detection laser receiver 5 fixedly installed at the lower end of the detection tube 3, detection electrodes 6 fixedly installed at the upper and lower ends of the detection tube 3, a flushing structure installed on the upper wall of the main vehicle body 1, a sampling structure fixedly installed on the upper wall of the main vehicle body 1 above the detection tube 3, and a drainage structure fixedly installed below the detection tube 3.

[0020] In this embodiment, a control valve 7 is fixedly installed at the upper end of the detection tube 3. The output end of the control valve 7 is connected to the upper end of the detection tube 3, and the input end of the control valve 7 is connected to the output end of the sampling structure and the output end of the rinsing structure, respectively. The detection tube 3 is vertically arranged, which is conducive to the natural flow of water samples in the tube and facilitates the separation of sedimented impurities, thereby improving the representativeness of the detection. The detection laser emitter 4 and receiver are located at opposite ends, which can realize precise optical detection of pollutants in the water sample, while the detection electrodes 6 at the upper and lower ends can realize multi-parameter linkage monitoring, improving detection efficiency and accuracy.

[0021] In this embodiment, the flushing structure includes a water tank 8, which is fixedly installed on the main body 1. A first submersible pump 9 is fixedly installed inside the water tank 8, and the output end of the first submersible pump 9 is fixedly connected to one input end of the control valve 7. The flushing structure can automatically clean the detection channel and components, effectively preventing signal interference and cross-contamination caused by contaminants or residual impurities adhering to the wall of the detection tube 3, ensuring the objectivity and accuracy of each test. Preferably, the water tank 8 and the first submersible pump 9 are used to achieve efficient water flow control and automation of the flushing process.

[0022] In this embodiment, the sampling structure includes a sampling tube 10, the output end of which is connected to the input end of the control valve 7. A second submersible pump 11 is fixedly installed at the input end of the sampling tube 10, and a sampling head 12 is provided at the input end of the second submersible pump 11. The sampling structure automatically samples from the target water body through the second submersible pump 11 and the sampling head 12, realizing timed and quantitative sampling under remote or unattended conditions. The switching between the sampling tube 10 and the control valve 7 ensures the independence of samples from different detection cycles, avoiding cross-contamination.

[0023] In this embodiment, a solenoid valve 13 is fixedly installed at the lower end of the detection tube 3, and a drain pipe 14 is provided at the lower end of the solenoid valve 13. By setting a solenoid valve 13 at the lower end of the detection tube 3 and connecting it with the drain pipe 14, the residual liquid can be discharged in a timely and accurate manner after the detection is completed, preventing the residual liquid from affecting subsequent detections, and improving the self-cleaning capability of the system.

[0024] In this embodiment, a controller 15 is fixedly installed on the main vehicle body 1, and a touch screen 16 is fixedly installed on the side wall of the controller 15. The matching touch screen 16 makes it easy for operators to intuitively set detection parameters and turn on / off various function modes, thereby improving the human-computer interaction experience and operational convenience.

[0025] In this embodiment, a communication terminal 17 is fixedly installed on the upper wall of the main vehicle body 1, and a communication antenna 18 is fixedly installed on the communication terminal 17. A rechargeable battery 19 is fixedly installed on the lower wall of the main vehicle body 1. This facilitates unmanned on-site management and real-time monitoring. The rechargeable battery 19 provides energy for the continuous operation of the equipment, enhancing its field operation capabilities and flexibility.

[0026] In this embodiment, the lower wall of the main vehicle body 1 is equipped with casters 20, which makes the entire set of equipment easy to move and deploy, facilitates the movement and switching of detection points, and adapts to the on-site working needs of different water environments.

[0027] Its detailed connection methods are well-known technologies in this field; such as Figure 1 As shown, move the entire unit to the shore or platform of the water body to be monitored using the casters 20. Adjust the position of the equipment according to the testing requirements so that the sampling head 12 can fully contact the water body to be tested. Check the main unit's battery level and connect the power supply to ensure that the rechargeable battery 19 has sufficient power for continuous operation.

[0028] The system can be started via the touch screen 16 of the device controller 15 or a remote terminal. Parameters such as sampling time interval, detection cycle, and rinsing duration can be set according to actual needs. Automatic sampling and rinsing modes can also be manually or preset, and the system will automatically execute the corresponding processes.

[0029] Upon reaching the set time point, the equipment automatically starts the sampling structure. The second submersible pump 11 extracts water samples, which flow into the detection tube 3 through the sampling tube 10, waiting for the detection module to complete its detection preparation.

[0030] The detection laser emitter 4, monitoring laser receiver, and detection electrode 6 are automatically activated during the flow of water sample through the detection tube 3 to detect and analyze the target pollutants and simultaneously collect the detection data into the system database.

[0031] A laser emitter emits a laser beam of a specific wavelength into the detection tube 3. This laser beam passes through the water sample in the tube 3 and is received by a laser receiver at the lower end. As the laser beam passes through the water sample, energy loss or signal changes occur due to absorption and scattering by suspended solids, pollutants, and colored substances in the water. The change in laser intensity measured by the receiver is directly related to the concentration of pollutants in the water. By analyzing the attenuation, scattering angle, or penetration of the laser signal, the turbidity, suspended particle content, and the presence and concentration of specific pollutants in the water can be quickly and non-contactly determined. Furthermore, if a specific wavelength laser is used, it can also be used to detect the characteristic absorption of certain organic compounds or heavy metal ions, enabling quantitative or qualitative analysis of specific pollutants.

[0032] The detection electrode 6 typically consists of two or more metal conductors, installed at different positions within the detection tube 3. When a water sample flows over the electrode surface, the electrode detects relevant electrical parameters of the water through physical or chemical reactions with the water. For example, when measuring the conductivity of water, a constant voltage is applied between the electrodes, and the conductivity of the water sample can be calculated by measuring the current; this value reflects the concentration of dissolved ions. When used to detect dissolved oxygen, pH, redox potential, or specific ions, the electrode material and surface coating are selected to react with the target substance, changing the potential between the electrodes or generating a specific signal output. The electrode method has advantages such as high sensitivity, fast response speed, and suitability for continuous online monitoring, enabling real-time analysis and long-term tracking of various conventional water quality indicators.

[0033] After the test is completed, the controller 15 drives the control valve 7 to switch to the flushing channel. The first submersible pump 9 injects clean water from the water tank 8 into the test tube 3 to flush the pipe and internal components, remove residual water samples, and prevent cross-contamination of pollutants and pipe blockage.

[0034] The solenoid valve 13 opens automatically, and the waste liquid in the detection tube 3 is discharged through the drain pipe 14, effectively cleaning the detection channel and preparing for the next sampling and detection.

[0035] The detection data is wirelessly transmitted to the monitoring platform or cloud server via communication terminal 17 to maintain complete historical monitoring records, facilitating subsequent analysis and tracking. Management personnel can remotely view water quality changes and alarm information in real time.

[0036] When the testing point needs to be changed, the equipment can be redeployed by pushing it to the new location using the casters 20. Daily maintenance is simple, requiring only periodic replenishment of the water tank 8, checking the equipment's power level, and cleaning any external debris.

[0037] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An on-line sampling and detecting device for water body pollutants, comprising a main vehicle body (1), characterized in that, The wall surface of the vehicle body is fixedly installed with a mounting rack (2), the mounting rack (2) is fixedly installed with a detection tube (3), the detection tube (3) is a vertical tube, the detection tube (3) is provided with a detection laser emitter (4) at the upper end, the detection tube (3) is fixedly installed with a detection laser receiver (5) at the lower end, the detection tube (3) is fixedly installed with detection electrodes (6) at the upper end and the lower end respectively, the main vehicle body (1) is installed with a flushing structure on the wall surface, the main vehicle body (1) is fixedly installed with a sampling structure on the wall surface above the detection tube (3), and the main vehicle body (1) is fixedly installed with a liquid discharge structure below the detection tube (3).

2. The water pollutant on-line sampling and detecting device according to claim 1, characterized in that, The detection tube (3) is fixedly installed with a control valve (7) at the upper end, the control valve (7) is connected to the upper end of the detection tube (3), and the input end of the control valve (7) is connected to the output end of the sampling structure and the output end of the flushing structure respectively.

3. The water pollutant on-line sampling and detecting device according to claim 2, characterized in that The flushing structure comprises a water storage tank (8), the water storage tank (8) is fixedly installed on the main vehicle body (1), the water storage tank (8) is fixedly installed with a first submersible pump (9) inside, and the output end of the first submersible pump (9) is fixedly connected to one input end of the control valve (7).

4. The water pollutant on-line sampling and detecting device according to claim 2, characterized in that The sampling structure comprises a sampling tube (10), the output end of the sampling tube (10) is connected to the input end of the control valve (7), the input end of the sampling tube (10) is fixedly installed with a second submersible pump (11), and the input end of the second submersible pump (11) is provided with a sampling head (12).

5. The water pollutant on-line sampling and detecting device according to claim 1, characterized in that The detection tube (3) is fixedly installed with a solenoid valve (13) at the lower end, and the solenoid valve (13) is provided with a liquid discharge pipe (14) at the lower end.

6. The water pollutant on-line sampling and detecting device according to claim 1, characterized in that The main vehicle body (1) is fixedly installed with a controller (15), and the side wall surface of the controller (15) is fixedly installed with a touch screen (16).

7. The water pollutant on-line sampling and detecting device according to claim 1, characterized in that The main vehicle body (1) is fixedly installed with a communication terminal (17) on the wall surface, the communication terminal (17) is fixedly installed with a communication antenna (18), the main vehicle body (1) is fixedly installed with a rechargeable battery (19) on the lower wall surface.

8. The water pollutant on-line sampling and detecting device according to claim 1, characterized in that The main vehicle body (1) is installed with universal wheels (20) on the lower wall surface.

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