Multi-parameter water quality monitoring device

The integrated design of the multi-parameter water quality monitoring device solves the problems of large space occupation, high cost and inconsistent test results of traditional water quality monitoring devices. It achieves efficient and accurate multi-parameter detection. The sample flows stably in the device, reducing the data deviation caused by parameter cross-interference and unstable water flow.

CN224383257UActive Publication Date: 2026-06-19BEIJING TIMES XINWEI MEASUREMENT & CONTROL EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING TIMES XINWEI MEASUREMENT & CONTROL EQUIP CO LTD
Filing Date
2025-06-06
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional water quality monitoring devices require multiple independent devices, which occupy a lot of space, are costly, and produce error and inconsistency in the test results. Furthermore, the unstable flow of samples affects the accuracy of the test.

Method used

A multi-parameter water quality monitoring device is adopted, integrating a turbidity sensor, a flow cell, a residual chlorine sensor, a pH sensor, and a conductivity sensor. Through the structure of the detection chamber separation combined with the pressure stabilization chamber, the cross-interference of parameters and the data deviation caused by water flow instability are reduced, so as to achieve stable sample flow and sequential detection in the device.

Benefits of technology

It improves detection efficiency and accuracy, reduces errors and inconsistencies, ensures the reliability and continuity of detection results, and lowers equipment costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a multi-parameter water quality monitoring device which comprises a turbidity sensor, a flow cell, a residual chlorine sensor, a PH sensor and a conductivity sensor; the turbidity sensor is suitable for being connected to a water inlet; the flow cell is internally provided with a residual chlorine sensor bin, a PH sensor bin, a conductivity sensor bin and a connecting channel; the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin are vertically arranged; the connecting channel is horizontally arranged and is in communication with the bottoms of the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin; the residual chlorine sensor is arranged at the internal top end of the residual chlorine sensor bin; the PH sensor is arranged at the internal top end of the PH sensor bin; and the conductivity sensor is arranged at the internal top end of the conductivity sensor bin; the flow cell is further internally provided with a pressure stabilizing bin; the pressure stabilizing bin is vertically arranged, the bottom of the pressure stabilizing bin is connected with the end of the connecting channel, the top of the pressure stabilizing bin is connected with the turbidity sensor, and the end of the connecting channel, which is away from the pressure stabilizing bin, is provided with a water outlet.
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Description

Technical Field

[0001] This application relates to the field of testing equipment technology, and in particular to a multi-parameter water quality monitoring device. Background Technology

[0002] In many fields, such as water quality monitoring and chemical production, real-time and accurate detection of multiple parameters is often required. Traditional detection methods often require the use of multiple independent detection devices, which is not only space-consuming and costly, but also prone to errors and inconsistencies in the test results between different devices. Furthermore, traditional equipment may not be able to guarantee stable sample flow and uniform distribution during sample processing, thus affecting the accuracy and reliability of the detection. Therefore, there is an urgent need for an integrated, efficient, and accurate multi-parameter water quality monitoring device to solve these problems. Utility Model Content

[0003] To address the issue that traditional numerical detection devices are significantly affected by water flow, this invention provides a multi-parameter water quality monitoring device, comprising: a turbidity sensor, a flow cell, a residual chlorine sensor, a pH sensor, and a conductivity sensor.

[0004] The turbidity sensor is suitable for connection to a water inlet.

[0005] The flow cell is internally equipped with a residual chlorine sensor compartment, a pH sensor compartment, a conductivity sensor compartment, and a connecting channel. The residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment are vertically arranged, and the connecting channel is horizontally arranged, communicating with the bottom of the residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment, respectively. The residual chlorine sensor is located at the top inside the residual chlorine sensor compartment, the pH sensor is located at the top inside the pH sensor compartment, and the conductivity sensor is located at the top inside the conductivity sensor compartment.

[0006] The flow pool is further provided with a pressure stabilizing chamber. The pressure stabilizing chamber is vertically arranged, with its bottom connected to the end of the connecting channel and its top connected to the turbidity sensor. The end of the connecting channel away from the pressure stabilizing chamber has a drain outlet.

[0007] In one possible implementation, the pressure stabilizing chamber, the residual chlorine sensor chamber, the pH sensor chamber, and the conductivity sensor chamber are arranged sequentially at intervals along the length of the flow cell.

[0008] In one possible implementation, the pressure stabilizing chamber has a preset space inside and is cylindrical in shape.

[0009] One possible implementation also includes: an overflow pipe;

[0010] The overflow pipe passes through the flow pool and is connected to the pressure stabilizing chamber;

[0011] The overflow pipe is located at the middle position in the vertical direction of the pressure stabilizing chamber.

[0012] One possible implementation also includes: mounting brackets;

[0013] The mounting bracket is a cover structure with openings on any two opposite sides;

[0014] The mounting bracket is suitable for fixing to the internal mounting plate of the instrument;

[0015] The turbidity sensor and the flow cell are located on the outside of the mounting bracket.

[0016] One possible implementation also includes: a manual turbidity drain valve and a waste drain pipe;

[0017] The manual turbidity drain valve is located below the turbidity sensor and is connected to the turbidity sensor;

[0018] The waste discharge pipe is connected to the turbidity sensor, and the manual turbidity drain valve is connected to the waste discharge pipe.

[0019] One possible implementation also includes: a drain solenoid valve;

[0020] The drain solenoid valve is installed on the drain pipe.

[0021] One possible implementation also includes: an injection tube, a flow meter, and a regulating valve;

[0022] The sample inlet tube is connected to the water inlet;

[0023] The regulating valve and the flow meter are sequentially mounted on the injection tube.

[0024] One possible implementation also includes: a drain pipe;

[0025] The drain pipe is connected to the drain outlet.

[0026] In one possible implementation, the tops of the residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment are all open structures;

[0027] The residual chlorine sensor is embedded in the top of the residual chlorine sensor compartment;

[0028] The pH sensor is embedded in the top of the pH sensor compartment;

[0029] The conductivity sensor is embedded in the top of the conductivity sensor compartment.

[0030] The beneficial effects of the multi-parameter water quality monitoring device in this application embodiment are as follows: The structure combining a detection chamber and a pressure stabilizing chamber reduces cross-interference between parameters and data deviations caused by unstable water flow. The pressure stabilizing chamber is connected to the turbidity sensor, ensuring that liquid does not suddenly enter the residual chlorine sensor chamber, pH sensor chamber, or conductivity sensor chamber, thus affecting the detection results. Specifically, by integrating multiple sensors into one detection device and employing a flow-through cell and pressure stabilizing chamber design, simultaneous detection of multiple parameters is achieved. The sample can flow stably within the device, passing sequentially through each sensor for detection, avoiding errors and inconsistencies caused by using multiple independent devices, and improving detection efficiency and accuracy.

[0031] Other features and aspects of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0032] The accompanying drawings, which are included in and form part of this specification, illustrate exemplary embodiments, features, and aspects of this application together with the specification and serve to explain the principles of this application.

[0033] Figure 1 This is a schematic internal cross-sectional view of a multi-parameter water quality monitoring device according to an embodiment of this application;

[0034] Figure 2 This diagram shows the main structure of the multi-parameter water quality monitoring device according to an embodiment of this application.

[0035] Figure 3 This diagram shows another main structure of the multi-parameter water quality monitoring device according to an embodiment of this application. Detailed Implementation

[0036] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0037] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0040] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be understood even without certain specific details.

[0041] Implementation. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the subject matter of this application.

[0042] like Figures 1-3 As shown, the multi-parameter water quality monitoring device of this application embodiment includes: a turbidity sensor 1, a flow tank 6, a residual chlorine sensor 3, a pH sensor 4, and a conductivity sensor 5. The turbidity sensor 1 is suitable for connection to the water inlet. The flow tank 6 has a residual chlorine sensor chamber, a pH sensor chamber, a conductivity sensor chamber, and a connecting channel inside. The residual chlorine sensor chamber, pH sensor chamber, and conductivity sensor chamber are vertically arranged, and the connecting channel is horizontally arranged, communicating with the bottom of the residual chlorine sensor chamber, pH sensor chamber, and conductivity sensor chamber respectively. The residual chlorine sensor 3 is located at the top inside the residual chlorine sensor chamber, the pH sensor 4 is located at the top inside the pH sensor chamber, and the conductivity sensor 5 is located at the top inside the conductivity sensor chamber. The flow tank 6 also has a pressure stabilizing chamber inside. The pressure stabilizing chamber is vertically arranged, with its bottom connected to the end of the connecting channel and its top connected to the turbidity sensor 1. The end of the connecting channel away from the pressure stabilizing chamber has a drain outlet.

[0043] In this specific embodiment, the combination of a detection chamber and a pressure-stabilizing chamber reduces cross-interference of parameters and data deviations caused by unstable water flow. The pressure-stabilizing chamber is connected to turbidity sensor 1 to ensure that liquid does not suddenly enter the residual chlorine sensor chamber, pH sensor chamber, or conductivity sensor chamber, affecting the detection results. Specifically, by integrating multiple sensors into a single detection device and employing a flow cell 6 and a pressure-stabilizing chamber design, simultaneous detection of multiple parameters is achieved. The sample can flow stably within the device, passing through each sensor sequentially for detection, avoiding errors and inconsistencies caused by using multiple independent devices, and improving detection efficiency and accuracy.

[0044] In one specific embodiment, the pressure stabilizing chamber, residual chlorine sensor chamber, pH sensor chamber, and conductivity sensor chamber are arranged sequentially and at intervals along the length of the flow cell 6, reducing interference between different sensor chambers. This arrangement allows the sample to pass through each sensor chamber in an orderly manner, achieving continuous and efficient detection and improving the overall detection results.

[0045] In one specific embodiment, the pressure stabilizing chamber has a pre-set space inside and is cylindrical in shape. The pressure stabilizing chamber can effectively stabilize the pressure and flow rate of the sample, the cylindrical design makes the fluid flow more uniform, and the pre-set space can buffer pressure fluctuations, ensuring that the sample state entering each sensor chamber is stable, thereby improving the reliability and accuracy of the detection results.

[0046] In one specific embodiment, the device further includes an overflow pipe that passes through the flow cell 6 and communicates with the pressure stabilizing chamber. The overflow pipe is located at the middle of the pressure stabilizing chamber in the vertical direction. The overflow pipe prevents overflow caused by excessively high sample levels in the pressure stabilizing chamber, protecting the detection device from damage. Simultaneously, it helps maintain a stable liquid level in the pressure stabilizing chamber, further ensuring the stability and accuracy of the detection process and improving the reliability of the detection device.

[0047] In one specific embodiment, the device further includes a mounting bracket 12, which is a cover structure with openings on either side. The mounting bracket 12 is suitable for fixing to an internal mounting plate of the instrument, and the turbidity sensor 1 and the flow cell 6 are disposed on the outside of the mounting bracket 12. The mounting bracket 12 is designed to facilitate the installation and fixing of the detection device, and the openings on both sides facilitate connection and wiring.

[0048] In one specific embodiment, the device further includes a manual turbidity drain valve 102 and a waste discharge pipe 15. The manual turbidity drain valve 102 is located below and connected to the turbidity sensor 1, and the waste discharge pipe 15 is connected to the turbidity sensor 1, with the manual turbidity drain valve 102 connected to the waste discharge pipe 15. When needed, the sample or waste liquid inside the turbidity sensor 1 can be drained manually by operating the drain valve, extending the service life of the equipment and ensuring the accuracy of the detection results.

[0049] In one specific embodiment, the device further includes a drain solenoid valve 11, which is disposed on the drain pipe 14. Based on the operating status of the detection device and control signals, the opening and closing of the drain pipe 14 is automatically controlled, improving the efficiency and intelligence of the detection device and reducing the workload of manual operation.

[0050] In one specific embodiment, the device further includes: a sample inlet pipe 13, a flow meter 8, and a regulating valve. The sample inlet pipe 13 is connected to the water inlet, and the regulating valve 9 and the flow meter 8 are sequentially mounted on the sample inlet pipe 13. The coordinated use of the sample inlet pipe 13, the flow meter 8, and the regulating valve enables precise control of the sample flow rate entering the detection device. The regulating valve can adjust the flow rate according to actual needs, and the flow meter 8 monitors the flow rate in real time, ensuring the stability and accuracy of the sample flow rate during the detection process, thereby improving the reliability of the detection results.

[0051] In one specific embodiment, the device further includes a drain pipe 14 connected to a drain outlet. The drain pipe 14 ensures that the sample can be smoothly discharged from the testing device after testing, maintaining the cleanliness and normal operation of the device's interior, preventing sample residue from affecting subsequent tests, and improving the lifespan and stability of the testing device.

[0052] In one specific embodiment, the tops of the residual chlorine sensor compartment, pH sensor compartment, and conductivity sensor compartment are all open structures. The residual chlorine sensor 3 is embedded in the top of the residual chlorine sensor compartment, the pH sensor 4 is embedded in the top of the pH sensor compartment, and the conductivity sensor 5 is embedded in the top of the conductivity sensor compartment. The open structure at the top of the sensor compartments and the embedded installation method of the sensors facilitates the installation, disassembly, and maintenance of the sensors. At the same time, it ensures that the sensors can directly contact the sample, improving the accuracy and sensitivity of the detection and reducing maintenance costs.

[0053] In one specific embodiment, the flow tank 6 includes a main body and a cover 8. The top of the flow tank 6 is open, and the cover 8 can be placed on the top of the flow tank 6. The plate surface of the cover 8 has through holes corresponding to the residual chlorine sensor compartment, the pH sensor compartment and the conductivity sensor compartment, respectively, for installing the residual chlorine sensor 3, the pH sensor 4 and the conductivity sensor 5.

[0054] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A multi-parameter water quality monitoring device, characterized in that, include: Turbidity sensor, flow cell, residual chlorine sensor, pH sensor, and conductivity sensor; The turbidity sensor is suitable for connection to a water inlet. The flow cell is internally equipped with a residual chlorine sensor compartment, a pH sensor compartment, a conductivity sensor compartment, and a connecting channel. The residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment are vertically arranged, and the connecting channel is horizontally arranged, communicating with the bottom of the residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment, respectively. The residual chlorine sensor is located at the top inside the residual chlorine sensor compartment, the pH sensor is located at the top inside the pH sensor compartment, and the conductivity sensor is located at the top inside the conductivity sensor compartment. The flow pool is further provided with a pressure stabilizing chamber. The pressure stabilizing chamber is vertically arranged, with its bottom connected to the end of the connecting channel and its top connected to the turbidity sensor. A drain outlet is provided at the end of the connecting channel away from the pressure stabilizing chamber.

2. The multi-parameter water quality monitoring device of claim 1, wherein, The pressure stabilizing chamber, the residual chlorine sensor chamber, the pH sensor chamber, and the conductivity sensor chamber are arranged sequentially at intervals along the length of the flow cell.

3. The multi-parameter water quality monitoring device of claim 2, wherein, The pressure stabilizing chamber has a pre-set space inside and is cylindrical in shape.

4. The multi-parameter water quality monitoring device according to claim 1, characterized in that, Also includes: Overflow pipe; The overflow pipe passes through the flow pool and is connected to the pressure stabilizing chamber; The overflow pipe is located at the middle position in the vertical direction of the pressure stabilizing chamber.

5. The multi-parameter water quality monitoring device according to any one of claims 1-4, characterized in that, Also includes: Mounting bracket; The mounting bracket is a cover structure with openings on any two opposite sides; The mounting bracket is suitable for fixing to the internal mounting plate of the instrument; The turbidity sensor and the flow cell are located on the outside of the mounting bracket.

6. The multi-parameter water quality monitoring device according to any one of claims 1-4, wherein, Also includes: Turbidity manual drain valve and waste drain pipe; The manual turbidity drain valve is located below the turbidity sensor and is connected to the turbidity sensor; The waste discharge pipe is connected to the turbidity sensor, and the manual turbidity drain valve is connected to the waste discharge pipe.

7. The multi-parameter water quality monitoring device of claim 1, wherein, Also includes: Drain solenoid valve; The drain solenoid valve is installed on the drain pipe.

8. The multi-parameter water quality monitoring device according to any one of claims 1-4, wherein, Also includes: Injection tube, flow meter, and regulating valve; The sample inlet tube is connected to the water inlet; The regulating valve and the flow meter are sequentially mounted on the injection tube.

9. The multi-parameter water quality monitoring device according to claim 1, characterized in that, Also includes: Drain pipe; The drain pipe is connected to the drain outlet.

10. The multi-parameter water quality monitoring device of claim 1, wherein, The tops of the residual chlorine sensor compartment, the pH sensor compartment, and the conductivity sensor compartment are all open structures; The residual chlorine sensor is embedded in the top of the residual chlorine sensor compartment; The pH sensor is embedded in the top of the pH sensor compartment; The conductivity sensor is embedded in the top of the conductivity sensor compartment.