Liquid level monitoring device for sewage pipe network

By introducing a stepper motor-driven splined shaft and spiral scraper into the sewage pump station level monitoring device, the problems of dirt affecting the transparency of the level tube and filter plate blockage were solved, achieving accurate level readings and stable monitoring.

CN223756124UActive Publication Date: 2026-01-02TIANJIN JINCAI ENG DESIGN CONSULTING CO LTD
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Patent Information

Application Number
CN202520325576.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-02
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

In existing sewage pump station level monitoring devices, dirt buildup on the inner wall of the level tube affects transparency, making it difficult to interpret readings. Furthermore, the filter plate is easily clogged by sewage impurities, and the inlet is blocked, causing reading errors.

Method used

Design a liquid level monitoring device including a transparent liquid level tube, a float, a stepper motor, a splined shaft, a spiral scraper, and a baffle blade. The motor drives the splined shaft to move the scraper and blade to clean the inner wall of the liquid level tube, avoiding stains from affecting the transparency and preventing impurities from clogging it.

Benefits of technology

It effectively cleans the stains on the inner wall of the liquid level tube, maintains transparency, ensures accurate readings, prevents filter plate clogging, and achieves stable liquid level monitoring.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756124U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of liquid level monitoring, and discloses a liquid level monitoring device for a sewage pipe network, which comprises a transparent liquid level pipe and a floating ball, the floating ball is arranged in the transparent liquid level pipe, scale marks are arranged on the outer wall of the transparent liquid level pipe, a fixing cover is arranged at an upper side port of the transparent liquid level pipe, and the transparent liquid level pipe is arranged in the fixing cover. A stepping motor is installed on the fixing cover, and the output end, facing the interior of the transparent liquid level pipe, of the stepping motor is in driving connection with a spline shaft. When the transparency of the inner wall of the transparent liquid level pipe is influenced by attachments, the stepping motor drives the spline shaft to drive the spline housing to rotate, the spline housing rotates to drive the rotating shaft and the filter plate connected to the bottom of the rotating shaft to rotate, and the filter plate rotates to drive the spiral scraper to scrape and brush the inner wall of the transparent liquid level pipe. In addition, the turbulent flow blades are arranged at the bottom of the filter plate, and when the turbulent flow blades rotate along with the filter plate, impurities attached to the bottom of the filter plate can be thrown away.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level monitoring technical field, concretely to a liquid level monitoring device for sewage pipe network. BACKGROUND

[0002] Sewage pipe network generally refers to the systematized netted sewage discharge system composed of the sewage discharge pipe of urban sewer, and the equipment such as sewage pipe network is usually controlled by sewage pump station when discharging sewage, and the sewage pump station belongs to a part of the sewage pipe network, which needs to check the storage capacity of sewage in the sewage pump station at all times when carrying out daily treatment, so as to facilitate instant treatment.

[0003] The existing sewage pump station is generally detected by liquid level meter, which is connected with transparent liquid level pipe through two pipe openings, the float ball in the liquid level pipe floats with the water level, and the reading can be obtained from the outside of the liquid level pipe, but when the phenomenon of dirt adhesion occurs on the inner wall of the liquid level pipe, the dirt will affect the transparency of the liquid level pipe, so that the position of the float ball cannot be observed, the liquid level reading is affected, and the filter plate arranged at the liquid inlet at the bottom of the liquid level pipe is easily blocked by impurities in the sewage, so that the liquid inlet is blocked and cannot be filled with liquid, resulting in errors in the final reading. Therefore, the technical personnel in the art provides a liquid level monitoring device for sewage pipe network to solve the problems in the background art. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a liquid level monitoring device for sewage pipe network to solve the problems that when the phenomenon of dirt adhesion occurs on the inner wall of the liquid level pipe, the dirt will affect the transparency of the liquid level pipe, so that the position of the float ball cannot be observed, the liquid level reading is affected, and the filter plate arranged at the liquid inlet at the bottom of the liquid level pipe is easily blocked by impurities in the sewage, so that the liquid inlet is blocked and cannot be filled with liquid, resulting in errors in the final reading.

[0006] (II) technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a liquid level monitoring device for sewage pipe network, including transparent liquid level pipe and float ball, the float ball is arranged in the transparent liquid level pipe, the outer wall of the transparent liquid level pipe is provided with scale line, the upper side port of the transparent liquid level pipe is provided with fixed cover, the fixed cover is installed with step motor, the output end in the transparent liquid level pipe of step motor is driven and connected with spline shaft, the bottom port of the transparent liquid level pipe is provided with filter plate, the bottom side of the filter plate is installed with spoiler blade, the upper side center part of the filter plate is vertically installed with rotating shaft, the top end of the rotating shaft is installed with spline sleeve, the circumferential side of the rotating shaft is provided with spiral scraper, the bottom end of the spiral scraper is fixedly connected with the filter plate, and the outer wall of the spiral scraper is attached to the inner wall of the transparent liquid level pipe.

[0008] Preferably, the floating ball is sleeved with the rotating shaft, and the diameter of the floating ball is smaller than the inner diameter of the helical scraper, and the floating ball is not attached to the rotating shaft, so as not to affect the up-and-down floating of the floating ball.

[0009] Preferably, a threaded groove is formed on the outer sidewall of the top port of the transparent liquid level tube, the fixed cover is threadedly connected with the upper port of the transparent liquid level tube through the threaded groove, the spline shaft is engaged with the spline sleeve, and when the spline shaft is driven by the stepper motor to rotate the spline sleeve, the spline sleeve rotates to drive the rotating shaft and the filter plate connected to the bottom of the rotating shaft to rotate.

[0010] Preferably, a limiting ring is mounted on the outer sidewall of the bottom end port of the transparent liquid level tube, an annular clamping groove is formed on the inner wall of the filter plate, and the filter plate is rotationally clamped with the limiting ring through the annular clamping groove. Since the bottom of the filter plate is provided with a spoiler blade, the spoiler blade can shake off the impurities attached to the bottom of the filter plate when the filter plate rotates, so as to avoid the impurities from being accumulated on the filter plate to cause the liquid inlet to be blocked and unable to be filled with liquid.

[0011] Preferably, a through hole is formed on the circumferential sidewall of the fixed cover, so as to ensure the circulation of the gas inside the transparent liquid level tube.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the liquid level monitoring device for sewage pipe network has the following beneficial effects:

[0014] Through the design, the liquid level monitoring device is composed of a transparent liquid level tube and a floating ball. When the inner wall of the transparent liquid level tube is affected by the transparency of the attached matter, the spline shaft is driven by the stepper motor to rotate the spline sleeve, the spline sleeve rotates to drive the rotating shaft and the filter plate connected to the bottom of the rotating shaft to rotate, and the filter plate rotates to drive the helical scraper to brush the inner wall of the transparent liquid level tube, so as to achieve the cleaning effect of the inner wall of the transparent liquid level tube, avoid the problem of affecting the liquid level reading caused by the reduction of the transparency of the transparent liquid level tube, and avoid the problem of the final reading error caused by the impurities accumulated on the filter plate to block the liquid inlet and unable to be filled with liquid. The bottom of the filter plate is provided with a spoiler blade, and the spoiler blade can shake off the impurities attached to the bottom of the filter plate when the filter plate rotates, so as to avoid the impurities from being accumulated on the filter plate to cause the liquid inlet to be blocked and unable to be filled with liquid. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic view of the liquid level monitoring device for sewage pipe network provided by the embodiment of the present application.

[0016] Figure 2 is a structure sectional view of the transparent liquid level tube in the liquid level monitoring device for sewage pipe network provided by the embodiment of the present application.

[0017] Figure 3 is a structure diagram of a limiting ring in a sewage pipe network liquid level monitoring device provided by an embodiment of the present application.

[0018] Figure 4 is a structure diagram of a spiral scraper in a sewage pipe network liquid level monitoring device provided by an embodiment of the present application.

[0019] Figure 5 is a structure sectional view of a fixed cover in a sewage pipe network liquid level monitoring device provided by an embodiment of the present application.

[0020] In the figure: 1, transparent liquid level pipe; 101, limiting ring; 102, threaded groove; 103, scale line; 2, fixed cover; 201, through hole; 3, stepping motor; 4, spline shaft; 5, rotating shaft; 6, spline sleeve; 7, filter plate; 701, annular clamping groove; 8, spiral scraper; 9, spoiler blade; 10, floating ball. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] The present application provides a technical scheme, a sewage pipe network liquid level monitoring device, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , comprising a transparent liquid level pipe 1 and a floating ball 10, the floating ball 10 is arranged in the transparent liquid level pipe 1, the outer wall of the transparent liquid level pipe 1 is provided with scale line 103, the upper side port of the transparent liquid level pipe 1 is provided with fixed cover 2, the fixed cover 2 is installed with stepping motor 3, the output end of the stepping motor 3 towards the transparent liquid level pipe 1 is drivenly connected with spline shaft 4, the bottom port of the transparent liquid level pipe 1 is provided with filter plate 7, the bottom side of the filter plate 7 is installed with spoiler blade 9, the upper side center of the filter plate 7 is vertically installed with rotating shaft 5, the top end of the rotating shaft 5 is installed with spline sleeve 6, the circumferential side of the rotating shaft 5 is provided with spiral scraper 8, the bottom end of the spiral scraper 8 is fixedly connected with the filter plate 7, and the outer wall of the spiral scraper 8 is attached to the inner wall of the transparent liquid level pipe 1.

[0023] Please refer to Figure 2 , Figure 4 , the floating ball 10 is slidably connected with the rotating shaft 5, the diameter of the floating ball 10 is less than the inner diameter of the spiral scraper 8, and the floating ball 10 and the rotating shaft 5 are not attached to the penetrating part, so as not to affect the up and down floating of the floating ball 10.

[0024] Please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 The threaded groove 102 is formed on the outer sidewall of the top port of the transparent liquid level tube 1, the fixed cover 2 is threadedly connected with the upper port of the transparent liquid level tube 1 through the threaded groove 102, the spline shaft 4 is engaged with the spline sleeve 6, when the step motor 3 drives the spline shaft 4 to drive the spline sleeve 6 to rotate, the spline sleeve 6 drives the rotating shaft 5 and the filter plate 7 connected to the bottom of the rotating shaft 5 to rotate, the limiting ring 101 is installed on the outer sidewall of the bottom end port of the transparent liquid level tube 1, the annular clamping groove 701 is formed on the inner wall of the filter plate 7, the filter plate 7 is rotationally clamped with the limiting ring 101 through the annular clamping groove 701, since the bottom of the filter plate 7 is provided with the turbulence vane 9, the impurities attached to the bottom of the filter plate 7 can be shaken off when the turbulence vane 9 rotates with the filter plate 7, so that the impurities accumulated on the filter plate 7 can be avoided to cause the liquid inlet to be blocked and unable to enter liquid, the through hole 201 is formed on the circumferential sidewall of the fixed cover 2, so as to ensure the circulation of the gas in the transparent liquid level tube 1.

[0025] The sewage pipe network liquid level monitoring device comprises a transparent liquid level tube 1 and a floating ball 10, scale lines 103 are drawn on the outer wall of the transparent liquid level tube 1, a limiting ring 101 is installed at the bottom end port of the transparent liquid level tube 1, a threaded groove 102 is formed at the upper end port of the transparent liquid level tube 1,

[0026] The filter plate 7 is rotationally clamped at the bottom end of the transparent liquid level tube 1 through the limiting ring 101, the turbulence vane 9 is installed on the bottom side of the filter plate 7, the rotating shaft 5 is vertically installed on the upper side center portion of the filter plate 7, the spline sleeve 6 is installed at the top end of the rotating shaft 5, the spiral scraper 8 is further installed on the upper side of the filter plate 7, the outer wall of the spiral scraper 8 is attached to the inner wall of the transparent liquid level tube 1, the floating ball 10 is sleeved on the rotating shaft 5, the diameter of the floating ball 10 is smaller than the inner diameter of the spiral scraper 8, the floating ball 10 is not attached to the penetrating portion of the rotating shaft 5, so as not to affect the up-and-down floating of the floating ball 10, the fixed cover 2 is threadedly connected with the bottom end of the transparent liquid level tube 1 through the threaded groove 102, the step motor 3 is fixedly installed on the fixed cover 2, the spline shaft 4 is drivingly connected to the output end in the transparent liquid level tube 1, when the fixed cover 2 is connected with the transparent liquid level tube 1, the spline shaft 4 is engaged with the spline sleeve 6,

[0027] When the inner wall of the transparent liquid level pipe 1 is affected by the attachment to the transparency, the spline shaft 4 driven by the stepper motor 3 drives the spline sleeve 6 to rotate, the spline sleeve 6 drives the rotating shaft 5 and the filter plate 7 connected at the bottom of the rotating shaft 5 to rotate, the filter plate 7 drives the spiral scraper 8 to brush the inner wall of the transparent liquid level pipe 1 when rotating, so as to achieve the effect of cleaning the inner wall of the transparent liquid level pipe 1, avoid the problem of affecting the liquid level reading caused by the reduction of the transparency of the transparent liquid level pipe 1, and the bottom of the filter plate 7 is provided with the spoiler blade 9, the spoiler blade 9 can shake off the impurities attached to the bottom of the filter plate 7 when following the filter plate 7 to rotate, avoid the problem that the impurities accumulated on the filter plate 7 cause the liquid inlet to be blocked and unable to enter liquid, and finally the reading error problem occurs.

[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] In the present document, unless otherwise specified or limited, the terms "mount", "set", "connect", "fix", "screw", and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by those skilled in the art.

[0030] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A liquid level monitoring device for sewer networks, comprising a transparent liquid level tube (1) and a float ball (10), which is arranged inside the transparent liquid level tube (1), characterized in that: The outer wall of the transparent liquid level pipe (1) is provided with scale lines (103), the upper side port of the transparent liquid level pipe (1) is provided with a fixed cover (2), the fixed cover (2) is provided with a stepping motor (3), the stepping motor (3) is drivingly connected with a spline shaft (4) towards the output end in the transparent liquid level pipe (1), the bottom port of the transparent liquid level pipe (1) is provided with a filter plate (7), the bottom side of the filter plate (7) is provided with a spoiler blade (9), the upper side center of the filter plate (7) is vertically provided with a rotating shaft (5), the top end of the rotating shaft (5) is provided with a spline sleeve (6), the circumferential side of the rotating shaft (5) is provided with a spiral scraper (8), the bottom end of the spiral scraper (8) is fixedly connected with the filter plate (7), and the outer wall of the spiral scraper (8) is attached to the inner wall of the transparent liquid level pipe (1).

2. A device for monitoring the level of sewage network according to claim 1, characterized in that: The floating ball (10) is slidingly sleeved with the rotating shaft (5).

3. A device for monitoring the level of sewage network according to claim 1, characterized in that: The outer side wall of the top port of the transparent liquid level pipe (1) is provided with a threaded groove (102), and the fixed cover (2) is threadedly connected with the upper port of the transparent liquid level pipe (1) through the threaded groove (102).

4. The liquid level monitoring device for sewer network according to claim 1, characterized in that: The circumferential wall of the fixed cover (2) is provided with a through hole (201).

5. A device for monitoring the level of sewage network according to claim 1, characterized in that: The spline shaft (4) is engaged with the spline sleeve (6).

6. A device for monitoring the level of sewage network according to claim 1, characterized in that: The outer side wall of the bottom end port of the transparent liquid level pipe (1) is provided with a limiting ring (101), and the inner wall of the filter plate (7) is provided with an annular clamping groove (701).

7. A device for monitoring the level of sewage in a sewer network according to claim 6, characterised in that: The filter plate (7) is rotationally clamped with the limiting ring (101) through the annular clamping groove (701).