Water heavy metal detection device

By introducing a filter box and an intelligent control system into the water quality heavy metal detection device, the existing devices cannot filter impurities, the probe is difficult to adjust and dirt is difficult to clean, and higher detection accuracy and device flexibility and long-term stability are achieved.

CN222825528UActive Publication Date: 2025-05-02ZHENGZHOU ZHENGYUAN WATER PURIFICATION TECH CO LTD
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Patent Information

Application Number
CN202420920376.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-05-02
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing water quality heavy metal detection device cannot filter impurities in the water, the detection probe is difficult to adjust, and the dirt inside the detection box is difficult to clean, resulting in inaccurate detection accuracy.

Method used

A water quality heavy metal detection device is designed, equipped with a filter box and an intelligent control system. The filter box filters impurities in the water sample through a multi-layer filter mesh. The intelligent control system adjusts the height of the detection probe through the cylinder and the displacement sensor, and cleanses the inner wall of the detection box by cleaning and brushing.

Benefits of technology

Effectively filter impurities in water, improving detection accuracy; flexibly adjusting the detection probe to adapt to different sample volumes; cleaning the inner wall of the detection box extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a water quality heavy metal detection device, which belongs to the technical field of water quality detection instruments and comprises an accessory box, and a detection box is mounted below the accessory box. An intelligent controller and an air cylinder are installed in the accessory box, the air cylinder is fixedly connected with a piston rod through the output end of the bottom of the air cylinder, a displacement sensor is installed below the piston rod, connecting rods are installed below the displacement sensor and close to the two sides of the bottom of the piston rod, cleaning brushes are arranged at the top ends of the connecting rods, and detection probes are installed at the bottom end of the piston rod. A filter box is mounted at the upper part of the inner wall of one side of the detection box; a water level limiting sensor is installed on the upper portion of the inner wall of the other side of the detection box, and a drainage pipe is arranged below the water level limiting sensor and close to the bottom of the detection box. The intelligent controller is connected with the air cylinder, the displacement sensor and the water level limiting sensor through electric wires. The device is reasonable in design, simple in structure, convenient and fast, and integrates filtration and detection.
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Description

Technical Field

[0001] The utility model belongs to the technical field of water quality detection instruments, and specifically relates to a water quality heavy metal detection device. Background Art

[0002] Heavy metal water quality testing is a process that specifically conducts quantitative or qualitative analysis of the content of heavy metal elements in water bodies, aiming to assess the degree of heavy metal pollution in water bodies, ensure water quality safety, and protect the ecological environment and human health. However, during use, the existing water quality heavy metal detection device cannot filter impurities in the water and the water level to be tested is difficult to control, which can easily cause inaccurate detection accuracy; at the same time, the detection probe cannot be adjusted and cannot be flexibly adjusted according to the amount of sample liquid, which has certain limitations; due to long-term testing, dirt is easily accumulated inside the detection box, but it is not easy to clean later, which affects the accuracy of the detection device in long-term use. Summary of the invention

[0003] In view of the deficiencies in the prior art, the utility model provides a water quality heavy metal detection device, which effectively solves the problems that the current water quality heavy metal detection device cannot filter impurities in water, its detection probe is difficult to adjust and its internal dirt is difficult to clean.

[0004] The technical solution provided by the utility model is as follows:

[0005] A water quality heavy metal detection device comprises an accessory box, a detection box is fixedly installed below the accessory box, and both the accessory box and the detection box are cylindrical boxes; an intelligent controller and a cylinder are installed in the accessory box, the cylinder is fixedly connected to a piston rod through an output end at the bottom thereof, a displacement sensor is installed below the piston rod, connecting rods are fixedly installed on both sides below the displacement sensor and close to the bottom of the piston rod, a cleaning brush is provided on the top of the connecting rod, and a detection probe is fixedly installed on the bottom end of the piston rod; a filter box is fixedly installed on the upper part of the inner wall of one side of the detection box, a water inlet pipe is provided on the upper part of the filter box, the water inlet pipe penetrates the side wall of the detection box and extends to the outside of the detection box to be connected with a water pump; a water level limit sensor is installed on the upper part of the inner wall of the other side of the detection box, a drain pipe is provided below the water level limit sensor and close to the bottom of the detection box, and a switch valve is provided on the drain pipe; the intelligent controller is connected to the cylinder, the displacement sensor and the water level limit sensor respectively through electrical wires.

[0006] Furthermore, a control panel is installed on the front side of the outer wall of the accessory box, and the control panel is connected to the intelligent controller through an electrical wire.

[0007] Furthermore, the control panel is provided with a display screen and control buttons.

[0008] Furthermore, a glass window is provided on the front of the outer wall of the detection box, and scale lines are provided on the glass window.

[0009] Furthermore, a water inlet is provided at the top of the filter box, and a PE (polyethylene) filter layer, a non-woven filter layer, a PP (polypropylene) cotton filter layer and a wire-wound filter element are sequentially provided below the water inlet.

[0010] Furthermore, a water outlet is provided at the bottom end of the filter box, and a one-way valve is provided in the water outlet.

[0011] Furthermore, a water pipe is fixedly connected to the bottom of the water outlet, and the water pipe is located inside the side wall of the detection box and penetrates the bottom side wall of the detection box to communicate with the inside of the detection box.

[0012] Furthermore, four universal wheels are installed below the circular base of the detection box, and the universal wheels are symmetrically distributed at four equally divided points on the circumference of the base.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The water quality heavy metal detection device provided by the utility model is provided with a filter box. When the water sample to be detected flows into the detection box from the water inlet pipe, it passes through the PE filter layer, non-woven filter layer, PP cotton filter layer and wire-wound filter element arranged in the detection box in turn, and the impurities (such as suspended matter, particulate matter or microorganisms, etc.) in the water sample are filtered to prevent the impurities from entering the interior of the detection box and affecting the detection accuracy; at the same time, a one-way valve is provided at the water outlet of the filter box, so that the filtered water sample flows into the detection box to avoid the backflow of liquid in the detection box.

[0015] (2) The utility model drives the piston rod to extend and retract through the cylinder, thereby enabling the detection probe to move up and down, and a displacement sensor is also provided on the piston rod, and the displacement sensor is connected to the intelligent controller. When the detection probe moves up and down, the displacement sensor feeds back information to the intelligent controller, so that the intelligent controller can adjust the height of the detection probe according to the actual sample volume, and at the same time prevents the detection probe from rising too high and causing the cleaning brush to touch the filter box, thereby increasing the flexibility of the detection device; and a cleaning brush is provided at the top of the connecting rod to which the piston rod is fixed, which can clean the inner wall of the detection box to prevent the accumulation of dirt on the inner wall of the detection box during long-term use, thereby affecting the detection effect.

[0016] (3) The detection box of the utility model is provided with a water level limit sensor. When the water sample to be detected is filtered through the filter box and enters the detection box through the water pipe, when the water level in the detection box reaches the height of the water level limit sensor, the water level limit sensor feeds back this information to the intelligent controller, so that the alarm button on the control panel lights up, thereby avoiding the injection of too much water sample due to the staff's carelessness during the detection process; at the same time, the detection box is also provided with a glass window, and the glass window is also provided with scale lines, so that the staff can more intuitively observe the height of the water level in the box.

[0017] (4) The utility model has a reasonable design, simple structure, is convenient and fast, and integrates filtration and detection. It solves the problems that the current water quality heavy metal detection device cannot filter impurities in the water, the detection probe is difficult to adjust, and the dirt inside it is difficult to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of a water quality heavy metal detection device of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a water quality heavy metal detection device of the utility model;

[0020] Figure 3 This is a schematic diagram of the filter box structure of a water quality heavy metal detection device of the utility model;

[0021] In the figure: 1 accessory box, 11 intelligent controller, 12 cylinder, 2 detection box, 21 piston rod, 22 displacement sensor, 23 connecting rod, 24 cleaning brush, 25 detection probe, 26 water level limit sensor, 27 drain pipe, 28 switch valve, 29 water inlet pipe, 3 filter box, 31 water guide pipe, 32 water inlet, 33 PE filter layer, 34 non-woven filter layer, 35 PP cotton filter layer, 36 wire wound filter element, 37 water outlet, 38 one-way valve, 4 universal wheel, 5 glass window, 6 control panel, 61 display screen, 62 control button. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a water quality heavy metal detection device. The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0024] See also Figure 1 and Figure 2 It can be seen that the utility model provides a water quality heavy metal detection device, including an accessory box 1, a detection box 2 is fixedly installed below the accessory box 1, and the accessory box 1 and the detection box 2 are both cylindrical boxes; an intelligent controller 11 and a cylinder 12 are installed in the accessory box 1, and the cylinder 12 is fixedly connected to a piston rod 21 through the output end at the bottom thereof, and a displacement sensor 22 is installed below the piston rod 21, and connecting rods 23 are fixedly installed on both sides below the displacement sensor 22 and close to the bottom of the piston rod 21, and a cleaning brush 24 is provided at the top of the connecting rod 23, and a detection probe 25 is fixedly installed at the bottom of the piston rod 21; the upper part of the inner wall of one side of the detection box 2 is fixed A filter box 3 is fixedly installed, and a water inlet pipe 29 is provided on the upper part of the filter box 3. The water inlet pipe 29 penetrates the side wall of the detection box 2 and extends to the outside of the detection box 2 to be connected with the water pump; a water level limit sensor 26 is installed on the upper part of the inner wall on the other side of the detection box 2, and a drain pipe 27 is provided below the water level limit sensor 26 near the bottom of the detection box 2, and a switch valve 28 is provided on the drain pipe 27; the intelligent controller 11 is respectively connected to the cylinder 12, the displacement sensor 22 and the water level limit sensor 26 through electrical wires; four universal wheels 4 are installed under the circular base of the detection box 2, and the universal wheels 4 are symmetrically distributed at four equally divided points on the circumference of the base.

[0025] Among them, a control panel 6 is installed on the front of the outer wall of the accessory box 1, and the control panel 6 is connected to the intelligent controller 11 through an electrical wire. The control panel 6 is provided with a display screen 61 and control buttons 62; a glass window 5 is provided on the front of the outer wall of the detection box 2, and the glass window 5 is provided with scale lines, which is convenient for the staff to observe the water level more intuitively.

[0026] See also Figure 2 and Figure 3 It can be seen that a water inlet 32 ​​is provided at the top of the filter box 3, and a PE filter layer 33, a non-woven filter layer 34, a PP cotton filter layer 35 and a wire-wound filter element 36 are provided below the water inlet 32 ​​in sequence. This design facilitates filtering impurities (such as suspended matter, particulate matter or microorganisms, etc.) in the water sample to prevent impurities from entering the interior of the detection box and affecting the detection accuracy; a water outlet 37 is provided at the bottom end of the filter box 3, and a one-way valve 38 is provided in the water outlet 37. The design of the one-way valve 38 avoids the backflow of the detection liquid in the detection box; a water pipe 31 is fixedly connected to the bottom of the water outlet 37, and the water pipe 31 is located in the side wall of the detection box 2 and passes through the bottom side wall of the detection box 2 to communicate with the interior of the detection box 2.

[0027] Working principle: When in use, the water sample to be tested is pumped into the filter box 3 from the water inlet pipe 29, filtered through the water inlet 32 ​​in turn through the PE filter layer 33, the non-woven filter layer 34, the PP cotton filter layer 35 and the wire-wound filter element 36, flows into the water pipe 31 from the water outlet 37, and enters the detection box 2 through the water pipe 31; the button on the control panel 6 for controlling the descent of the detection probe 25 is activated, and the cylinder 12 is driven by the intelligent controller 11 to drive the piston rod 21 to move downward, and the piston rod 21 drives the detection probe 25 to move downward. When the detection probe 25 moves to contact the upper surface of the water sample, the heavy metals in the water are detected, and the final detection data is displayed on the display screen 61 for easy reading by the staff; in this process, if the height of the water sample in the detection box 2 reaches the height of the water level limit sensor 26, the water level limit sensor 26 This information is fed back to the intelligent controller 11, so that the alarm button on the control panel 6 lights up, so as to avoid the injection of too much water sample due to the staff's carelessness during the detection process; after the detection is completed, the switch valve 28 is opened to discharge the water sample in the detection box 2; at the same time, the button on the control panel 6 for controlling the rise of the detection probe 25 is started, and the piston rod 21 drives the detection probe 25 to move upward. When the set position height is reached, the displacement sensor 22 feeds this information back to the intelligent controller 11, and then stops the detection probe 25 from moving upward; then the button on the control panel 6 for controlling cleaning is started, and the cylinder 12 is driven by the intelligent controller 11 to drive the piston rod 21 to rotate, and the piston rod 21 drives the cleaning brush 24 at the top of the connecting rod 23 to clean the inner wall of the detection box 2, thereby preventing the accumulation of dirt on the inner wall of the detection box 2 during long-term use and affecting the detection effect.

[0028] The above is a detailed introduction to a water quality heavy metal detection device provided by the utility model. The above embodiments are only used to illustrate the technical solution of the utility model but not to limit it. Those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, and should be covered by the scope of the claims of the utility model.

Claims

1. A water quality heavy metal detection device, comprising an accessory box (1), characterized in that: A detection box (2) is fixedly installed below the accessory box (1), and both the accessory box (1) and the detection box (2) are cylindrical boxes; an intelligent controller (11) and a cylinder (12) are installed in the accessory box (1); the cylinder (12) is fixedly connected to a piston rod (21) through an output end at the bottom thereof; a displacement sensor (22) is installed below the piston rod (21); connecting rods (23) are fixedly installed on both sides below the displacement sensor (22) and close to the bottom of the piston rod (21); a cleaning brush (24) is provided at the top of the connecting rod (23); and a detection probe (25) is fixedly installed at the bottom of the piston rod (21); A filter box (3) is fixedly mounted on the upper part of the inner wall of one side of the detection box (2); a water inlet pipe (29) is arranged on the upper part of the filter box (3); the water inlet pipe (29) penetrates the side wall of the detection box (2) and extends to the outside of the detection box (2) to be connected to a water pump; a water level limit sensor (26) is mounted on the upper part of the inner wall of the other side of the detection box (2); a drainage pipe (27) is arranged below the water level limit sensor (26) and close to the bottom of the detection box (2); a switch valve (28) is arranged on the drainage pipe (27); and the intelligent controller (11) is respectively connected to the cylinder (12), the displacement sensor (22) and the water level limit sensor (26) through electrical wires.

2. A water quality heavy metal detection device according to claim 1, characterized in that: A control panel (6) is installed on the front side of the outer wall of the accessory box (1), and the control panel (6) is connected to the intelligent controller (11) via an electrical conductor.

3. A water quality heavy metal detection device according to claim 2, characterized in that: The control panel (6) is provided with a display screen (61) and control buttons (62).

4. A water quality heavy metal detection device according to claim 1, characterized in that: A glass window (5) is provided on the front of the outer wall of the detection box (2), and scale lines are provided on the glass window (5).

5. A water quality heavy metal detection device according to claim 1, characterized in that: A water inlet (32) is provided at the top of the filter box (3), and a PE filter layer (33), a non-woven filter layer (34), a PP cotton filter layer (35) and a wire-wound filter element (36) are sequentially provided below the water inlet (32).

6. A water quality heavy metal detection device according to claim 5, characterized in that: A water outlet (37) is provided at the bottom of the filter box (3), and a one-way valve (38) is provided in the water outlet (37).

7. A water quality heavy metal detection device according to claim 6, characterized in that: The bottom of the water outlet (37) is fixedly connected to a water pipe (31), and the water pipe (31) is located inside the side wall of the detection box (2) and penetrates the bottom side wall of the detection box (2) to communicate with the inside of the detection box (2).

8. A water quality heavy metal detection device according to claim 1, characterized in that: Four universal wheels (4) are installed below the circular base of the detection box (2), and the universal wheels (4) are respectively located at four equally divided points on the circumference of the base and are symmetrically distributed.