Universal self-cleaning device for online instruments

The modularly designed online instrument self-cleaning device combines automated rinsing and brushing, solving the problems of low efficiency and high cost of traditional cleaning methods. It achieves efficient and low-cost cleaning results and ensures detection accuracy.

CN223801089UActive Publication Date: 2026-01-16NINGBO IND WATER SUPPLY CO LTD
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Patent Information

Application Number
CN202520638646.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-01-16
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

The sensor surfaces of online monitoring instruments are susceptible to contaminants such as suspended particles, biofilms, and chemical scale, which can cause measurement signals to drift or fail. Traditional cleaning methods are inefficient, costly, and have poor adaptability.

Method used

Design a modular universal self-cleaning device that uses a combination of automated rinsing and brushing to clean the detection probe. The flow of cleaning water and wastewater is controlled by a solenoid valve and a sampling water pump, and cleaning is performed by a combination of a soft brush and the rotation of a drainage fan blade.

Benefits of technology

It enables automated cleaning of online instrument probes, ensuring detection accuracy, reducing cleaning costs, and improving cleaning efficiency without affecting normal testing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223801089U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of instrument cleaning equipment, in particular to a universal self-cleaning device for on-line instruments, which comprises a box body, a detection control module is fixedly arranged in the middle of the upper layer of the box body, a mounting plate is fixedly arranged on the lower side of the detection control module, and a water quality detector is fixedly arranged in the middle of the mounting plate. A water inlet shell is arranged at the lower part of the water quality detector, and a detection probe of the water quality detector extends into the water inlet shell; a first clamping ring and a second clamping ring are arranged in the water inlet shell, the second clamping ring is connected with a double-layer rotating disc through a spring, the upper layer of the double-layer rotating disc is fixedly connected with a rotating sleeve, a soft brush is arranged on the upper side in the rotating sleeve, and drainage fan blades are arranged at the bottom of the rotating sleeve. The detection probe can be automatically flushed and brushed, and the detection probe is not affected when water quality is normally detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to instrument cleaning equipment field especially, it is a kind of general self-cleaning device for online instrument. BACKGROUND

[0002] In water treatment process, turbidimeter, pH meter, conductivity meter, residual chlorine analyzer and other online monitoring instruments are the core tools of real-time feedback water quality parameters.However, due to the complexity of water environment, sensor surface is easily attached by suspended particles, biofilm, chemical fouling and other pollutants, resulting in measurement signal drift or even failure.The traditional manual cleaning or fixed period cleaning mode has problems such as low efficiency, high cost and poor adaptability.Therefore, the present application aims to propose a modular design, which is convenient to install and maintain for general self-cleaning device for online instrument. SUMMARY

[0003] The utility model provides a kind of general self-cleaning device for online instrument, can be carried out automatic washing and scrubbing to detection probe, and will not affect detection head when normal detection water quality.

[0004] The technical scheme for solving the above technical problems is: a kind of general self-cleaning device for online instrument, including box, detection control module is fixed in the middle of the upper layer of the box, the installation plate is fixed in the lower side of the detection control module, the water quality detector is fixed in the middle of the installation plate, the water quality detector is equipped with water inlet shell in lower part, and the detection probe of the water quality detector is inserted into water inlet shell;First snap ring and second snap ring are arranged in the water inlet shell, the double-layer rotating disc is connected to the second snap ring by spring, the upper layer of the double-layer rotating disc is fixedly connected with rotating sleeve, the soft brush is arranged in the rotating sleeve, and the drain fan blade is arranged at the bottom of the rotating sleeve.

[0005] As a preferred scheme of the utility model, the sampling water pump is arranged in the box, the water inlet of the sampling water pump is connected with sampling pipe, the water outlet of the sampling water pump is connected with sampling water inlet pipe, the sampling water inlet pipe is connected to the upper side of the water inlet shell, and the water outlet pipe is connected to the lower side of the water inlet shell.

[0006] As a preferred scheme of the utility model, the cleaning water inlet pipe is arranged in the box, the cleaning water inlet pipe and the sampling water inlet pipe are communicated to the same port of the water inlet shell, and the water return pipe is connected between the sampling water inlet pipe and the water outlet pipe.

[0007] As a preferred scheme of the utility model, the first electromagnetic valve is arranged on the cleaning water inlet pipe, the second electromagnetic valve is arranged on the sampling water inlet pipe, the third electromagnetic valve is arranged on the water return pipe, and the second electromagnetic valve is located before the connection point between the sampling water inlet pipe and the water return pipe.

[0008] As the preferred scheme of the utility model, the box body is internally further provided with a wire arranging box, the wire arranging box is internally provided with a control center, and the box body is internally further provided with a control switch.

[0009] The utility model discloses the beneficial effect is:

[0010] 1. Can be through the controller automatic control in the detection idle time to detection probe and carry out cleaning.

[0011] 2. The detection probe cleaning adopts the form of flush box brush washing combination, guarantees the cleaning quality.

[0012] 3. The structure for cleaning will not influence detection probe normal work. DRAWINGS

[0013] Figure 1 It is the isometric structure schematic diagram of the utility model.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 It is Figure 2 the section view at A-A. CONCRETE EMBODIMENT

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the range of the utility model protection.

[0017] Combine the drawings Figures 1-3 A kind of general self-cleaning device for online instrument, including box body 1, detection control module 4 is fixed in the upper middle part of box body 1, installation plate 6 is fixed in the lower side of detection control module 4, water quality detector 7 is fixed in the middle part of installation plate 6, water inlet shell 8 is equipped in the lower part of water quality detector 7, and the detection probe 15 of water quality detector 7 extends into water inlet shell 8;First snap ring 17 and second snap ring 16 are arranged in water inlet shell 8, second snap ring 16 is connected with double-layer rotating disc 18 by spring 19, rotating sleeve 21 is fixedly connected on the upper layer of double-layer rotating disc 18, soft brush 22 is arranged on the inside upper side of rotating sleeve 21, and drain fan blade 20 is arranged on the bottom of rotating sleeve 21.

[0018] As a further embodiment, the box 1 is internally provided with a sampling water pump 23, the water inlet of the sampling water pump 23 is connected with the sampling pipe 24, the water outlet of the sampling water pump 23 is connected with the sampling water inlet pipe 10, the sampling water inlet pipe 10 is connected to the upper side of the water inlet shell 8, and the lower side of the water inlet shell 8 is connected with the water outlet pipe 14.

[0019] As a further embodiment, the box 1 is internally provided with a cleaning water inlet pipe 25, the cleaning water inlet pipe 25 is communicated with the sampling water inlet pipe 10 to the same port of the water inlet shell 8, and the sampling water inlet pipe 10 is connected with the water return pipe 12 between the water outlet pipe 14.

[0020] As a further embodiment, the cleaning water inlet pipe 25 is provided with a first electromagnetic valve 9, the sampling water inlet pipe 10 is provided with a second electromagnetic valve 11, and the water return pipe 12 is provided with a third electromagnetic valve 13, and the second electromagnetic valve 11 is located before the connection point of the sampling water inlet pipe 10 and the water return pipe 12.

[0021] As a further embodiment, the box 1 is further internally provided with a wire arrangement box 2, the upper side of the wire arrangement box 2 is provided with a control center 3, and the box 1 is further internally provided with a control switch 5. The control center 3 controls the electrical elements in the device, which belongs to the prior art.

[0022] When the device is normally detected, the first electromagnetic valve 9 is closed, the second electromagnetic valve 11 is opened, the third electromagnetic valve 13 is closed, the sampling water pump 23 is started, water from the sampling pipe 24 enters the sampling water inlet pipe 10, and then enters the water inlet shell 8 to contact the detection probe 15 for detection. After detection, the second electromagnetic valve 11 is closed, the third electromagnetic valve 13 is opened, the water in the sampling water inlet pipe 10 is discharged to the water outlet pipe 14 through the water return pipe 12, and the water in the water inlet shell 8 is directly discharged into the water outlet pipe 14.

[0023] When the sampling is completed, the time for cleaning can be set through the control center 3 every day, or the cleaning can be actively controlled to start. When the cleaning starts, the first electromagnetic valve 9 is opened, the second electromagnetic valve 11 and the third electromagnetic valve 13 are closed, high-pressure water from the cleaning water inlet pipe 25 enters the water inlet shell 8, the rotating sleeve 21 is driven to move downward under the pressure of the drain fan blade 20, the compression spring 19 is compressed, the soft brush 22 is separated from the detection probe 15, and then the drain fan blade 20 rotates under the driving of the water flow, the rotating sleeve 21 rotates, the soft brush 22 rotates to contact and brush the detection probe 15, and the detection probe is cleaned by the high-pressure water, so as to avoid the pollution affecting the detection precision.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is limited by the appended claims and their equivalents.

Claims

1. A general self-cleaning device for online meters, comprising a box (1), a detection control module (4) is fixed in the upper middle part of the box (1), characterized in that, The detection control module (4) lower side is provided with a mounting plate (6), the mounting plate (6) middle part is provided with a water quality detector (7), the water quality detector (7) lower part is provided with a water inlet shell (8), the detection probe (15) of the water quality detector (7) extends into the water inlet shell (8); The first snap ring (17) and the second snap ring (16) are arranged in the water inlet shell (8), the second snap ring (16) is connected with double-layer rotating disc (18) through spring (19), the upper layer of double-layer rotating disc (18) is fixedly connected with rotating sleeve (21), the inside of rotating sleeve (21) is provided with soft brush (22), the bottom of rotating sleeve (21) is provided with drainage fan blade (20).

2. A universal self-cleaning device for online meters as claimed in claim 1, wherein, The inside of the box (1) is provided with a sampling water pump (23), the water inlet of the sampling water pump (23) is connected with an inlet sampling pipe (24), the water outlet of the sampling water pump (23) is connected with a sampling water inlet pipe (10), the sampling water inlet pipe (10) is connected to the upper side of the water inlet shell (8), the lower side of the water inlet shell (8) is connected with a water outlet pipe (14).

3. A universal self-cleaning device for online meters as claimed in claim 2, wherein, The inside of the box (1) is provided with a cleaning water inlet pipe (25), the cleaning water inlet pipe (25) and the sampling water inlet pipe (10) are communicated to the same port of the water inlet shell (8), the sampling water inlet pipe (10) and the water outlet pipe (14) are connected with a backwater pipe (12).

4. A universal self-cleaning device for online meters as claimed in claim 3, wherein, The cleaning water inlet pipe (25) is provided with a first electromagnetic valve (9), the sampling water inlet pipe (10) is provided with a second electromagnetic valve (11), the backwater pipe (12) is provided with a third electromagnetic valve (13), the second electromagnetic valve (11) is located before the connection point of the sampling water inlet pipe (10) and the backwater pipe (12).

5. A universal self-cleaning device for online meters as claimed in claim 1, wherein, The box (1) is also provided with a wire arrangement box (2), the upper side of the wire arrangement box (2) is provided with a control center (3), the box (1) is also provided with a control switch (5).