Anti-blocking static pressure type liquid level meter

By using filter nets and cleaning mechanisms in the static pressure level meter, the problems of conventional static pressure level meter blockage and inaccurate measurement in the impurity environment are solved, and the accuracy of the liquid level meter and the normal operation of the equipment are achieved. , extends service life.

CN222279873UActive Publication Date: 2024-12-31DAQUAN (SHANGHAI) AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202420894699.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-31
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

Conventional static pressure level meters are prone to clogging in an environment full of impurities, and scale and oil stains adhere to the sensor surface, resulting in inaccurate liquid level measurement and affecting the normal operation of the liquid level control system.

Method used

An anti-blocking static pressure level gauge is designed, using a filter net and a cleaning mechanism to filter impurities through the filter net and use a micro waterproof motor to drive the brush to clean the filter net to prevent impurities from adhering and ensure the normal operation of the equipment.

Benefits of technology

It effectively prevents blockage, ensures the accuracy and timeliness of the liquid level gauge, extends the service life of the equipment, and avoids operation problems caused by impurities adhering to the filter.

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Abstract

The utility model relates to the technical field of liquid level meters, and discloses an anti-blocking static pressure type liquid level meter which comprises a pressure sensor, a pressure guiding opening is formed in the lower end of the pressure sensor, a threaded cylinder is fixedly connected to the lower end of the pressure sensor, a connecting sleeve is in threaded connection with the circumferential face of the threaded cylinder, and a filtering cylinder is fixedly connected to the lower end of the connecting sleeve. A mounting seat is fixedly connected in the filter cartridge, a filter screen is fixedly connected to the lower end of the mounting seat through bolts, and a cleaning mechanism is arranged in the filter cartridge. The connecting sleeve is fixedly connected to the threaded cylinder, a water source entering the pressure guiding opening can be filtered under the action of the filter screen, impurities are prevented from entering the pressure sensor, the blocking condition is prevented, the connecting rod is controlled to rotate, the connecting rod drives the connecting plate to rotate, and the connecting plate is prevented from being blocked. And the connecting plate can drive the brush to slide relative to the filter screen, so that the effect of cleaning the filter screen is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid level gauges, and more specifically to an anti-clogging static pressure type liquid level gauge. Background Art

[0002] In the chemical production process, some sedimentation tanks or sewage tanks need to measure the liquid level. Commonly used liquid level measuring instruments include ultrasonic level gauges, radar level gauges, and static pressure level gauges. The pool liquid level often coexists with the drainage pump. Affected by electromagnetic factors, static pressure level gauges become the first choice.

[0003] The shortcomings of the existing technology: conventional static pressure level gauge sensors will work in a working environment full of impurities, the pressure inlet hole will be easily blocked, and impurities such as scale and oil will adhere to the surface of the sensor. When these two situations occur, the level gauge cannot accurately and timely reflect the changes in the liquid level. For some liquid level control systems, the liquid level of the detected material cannot be adjusted in time, which has a certain impact on production equipment. For this reason, we propose an anti-clogging static pressure level gauge. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-clogging static pressure liquid level gauge to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an anti-clogging static pressure level gauge, comprising a pressure sensor, a pressure inlet port being arranged at the lower end of the pressure sensor, a threaded barrel being fixedly connected to the lower end of the pressure sensor, a connecting sleeve being threadedly connected to the circumferential surface of the threaded barrel, a filter barrel being fixedly connected to the lower end of the connecting sleeve, a mounting seat being fixedly connected inside the filter barrel, a filter screen being fixedly connected to the lower end of the mounting seat by bolts, and a cleaning mechanism being arranged inside the filter barrel.

[0006] Preferably, a connecting pipe is fixedly connected to the upper end of the pressure sensor, and a pressure gauge is fixedly connected to one end of the connecting pipe away from the pressure sensor.

[0007] Preferably, the cleaning mechanism includes a rotating seat fixedly connected in the filter cartridge, a connecting rod rotatably connected in the rotating seat, a connecting plate fixedly connected to the circumferential surface of the connecting rod, a brush fixedly connected to the upper end of the connecting plate, and the brush is slidably connected to the filter screen.

[0008] Preferably, the filter screen is made of metal and is made of rust-proof material.

[0009] Preferably, the filter cartridge is fixedly connected to a mounting frame, the mounting frame is fixedly connected to a motor, and the output end of the motor is fixedly connected to a connecting rod.

[0010] Preferably, the motor is a micro motor, and the motor is a waterproof motor.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model fixes the connecting sleeve on the threaded barrel, and then places the pressure sensor in water. At this time, the water source entering the pressure inlet can be filtered by the filter net to prevent impurities from entering the pressure sensor, thereby preventing blockage.

[0013] 2. The utility model controls the operation of the motor, and the motor will drive the connecting rod to rotate, the connecting rod will drive the connecting plate to rotate, and the connecting plate will drive the brush to slide between the filter screen, thereby achieving the effect of cleaning the filter screen and preventing impurities from adhering to the filter screen and affecting the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the split structure in the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the cross-section in the utility model.

[0017] Figure 4 For the utility model Figure 3 Schematic diagram of the structure of part A.

[0018] The accompanying drawings are marked as follows: 1. pressure sensor; 2. pressure inlet; 3. threaded cylinder; 4. connecting sleeve; 5. filter cylinder; 6. mounting seat; 7. filter screen; 8. connecting pipe; 9. pressure gauge; 10. rotating seat; 11. connecting rod; 12. connecting plate; 13. brush; 14. mounting bracket; 15. motor. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The anti-clogging static pressure level gauge involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides an anti-clogging static pressure liquid level gauge, comprising a pressure sensor 1, a pressure inlet 2 is arranged at the lower end of the pressure sensor 1, a threaded barrel 3 is fixedly connected to the lower end of the pressure sensor 1, a connecting sleeve 4 is threadedly connected to the circumferential surface of the threaded barrel 3, a filter barrel 5 is fixedly connected to the lower end of the connecting sleeve 4, a mounting seat 6 is fixedly connected inside the filter barrel 5, a filter screen 7 is fixedly connected to the lower end of the mounting seat 6 by bolts, a cleaning mechanism is arranged inside the filter barrel 5, when working, by fixing the connecting sleeve 4 to the threaded barrel 3, and then placing the pressure sensor 1 in water, the water source entering the pressure inlet 2 can be filtered under the action of the filter screen 7, and impurities are prevented from entering the pressure sensor 1, thereby achieving the goal of preventing clogging.

[0021] Furthermore, a connecting tube 8 is fixedly connected to the upper end of the pressure sensor 1, and a pressure gauge 9 is fixedly connected to the end of the connecting tube 8 away from the pressure sensor 1. During operation, through the action of the connecting tube 8, when the pressure sensor 1 is placed in the water source, the pressure data will be transmitted to the pressure gauge 9, and finally displayed by the pressure gauge 9, thereby achieving the effect of displaying the pressure value.

[0022] Furthermore, the cleaning mechanism includes a rotating seat 10 fixedly connected in the filter cartridge 5, a connecting rod 11 rotatably connected in the rotating seat 10, a connecting plate 12 fixedly connected to the circumferential surface of the connecting rod 11, a brush 13 fixedly connected to the upper end of the connecting plate 12, and a sliding connection between the brush 13 and the filter screen 7. When working, by controlling the connecting rod 11 to rotate, the connecting rod 11 will drive the connecting plate 12 to rotate, and the connecting plate 12 will drive the brush 13 to slide between the filter screen 7, thereby achieving the effect of cleaning the filter screen 7 and preventing impurities from adhering to the filter screen 7 and affecting the normal operation of the equipment.

[0023] Furthermore, the filter screen 7 is made of metal, and the filter screen 7 is made of rust-proof material. When working, the filter screen 7 is made of metal rust-proof material, which can prevent rust in water and increase the service life.

[0024] Furthermore, the filter cartridge 5 is fixedly connected to a mounting frame 14, and a motor 15 is fixedly connected to the mounting frame 14. The output end of the motor 15 is fixedly connected to the connecting rod 11. When working, by controlling the operation of the motor 15, the motor 15 will drive the connecting rod 11 to rotate, thereby achieving the effect of cleaning the filter screen 7.

[0025] Furthermore, the motor 15 is a micro motor 15, and the motor 15 is a waterproof motor 15. When working, the motor 15 is a micro motor 15, so that it can be installed and adapted with the pressure sensor 1. At the same time, the motor 15 is a waterproof motor 15 and can work and operate in water.

[0026] The working principle of the utility model is as follows: by fixing the connecting sleeve 4 on the threaded cylinder 3, and then placing the pressure sensor 1 in the water, the water source entering the pressure inlet 2 can be filtered by the filter 7 to prevent impurities from entering the pressure sensor 1, thereby preventing blockage. Then, by the connecting pipe 8, when the pressure sensor 1 is placed in the water source, the pressure data will be transmitted to the pressure gauge 9, and finally displayed by the pressure gauge 9, thereby achieving the effect of displaying the pressure value. When the filter 7 is blocked, By controlling the operation of the motor 15, the motor 15 will drive the connecting rod 11 to rotate, the connecting rod 11 will drive the connecting plate 12 to rotate, and the connecting plate 12 will drive the brush 13 to slide between the filter screen 7, thereby achieving the effect of cleaning the filter screen 7, avoiding impurities from adhering to the filter screen 7 and affecting the normal operation of the equipment, and the filter screen 7 is made of metal anti-rust material, which can avoid rust in water and increase the service life, and the motor 15 is a micro motor 15, so it can be installed and adapted with the pressure sensor 1, and the motor 15 is a waterproof motor 15, which can work and operate in water.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An anti-clogging static pressure level gauge, comprising a pressure sensor (1), characterized in that: The pressure sensor (1) is provided with a pressure inlet (2) at the lower end, the pressure sensor (1) is fixedly connected with a threaded barrel (3), the threaded barrel (3) is threadedly connected with a connecting sleeve (4) on its circumferential surface, the connecting sleeve (4) is fixedly connected with a filter barrel (5) at the lower end, the filter barrel (5) is fixedly connected with a mounting seat (6) inside, the mounting seat (6) is fixedly connected with a filter screen (7) at the lower end via bolts, and a cleaning mechanism is provided inside the filter barrel (5).

2. The anti-clogging static pressure level gauge according to claim 1, characterized in that: The upper end of the pressure sensor (1) is fixedly connected to a connecting pipe (8), and the end of the connecting pipe (8) away from the pressure sensor (1) is fixedly connected to a pressure gauge (9).

3. The anti-clogging static pressure level gauge according to claim 1, characterized in that: The cleaning mechanism comprises a rotating seat (10) fixedly connected inside the filter cartridge (5), a connecting rod (11) rotatably connected inside the rotating seat (10), a connecting plate (12) fixedly connected to the circumferential surface of the connecting rod (11), a brush (13) fixedly connected to the upper end of the connecting plate (12), and the brush (13) is slidably connected to the filter screen (7).

4. The anti-clogging static pressure level gauge according to claim 3 is characterized in that: The filter screen (7) is made of metal and is made of rust-proof material.

5. The anti-clogging static pressure level gauge according to claim 3 is characterized in that: A mounting frame (14) is fixedly connected inside the filter cartridge (5), a motor (15) is fixedly connected inside the mounting frame (14), and an output end of the motor (15) is fixedly connected to a connecting rod (11).

6. The anti-clogging static pressure level gauge according to claim 5, characterized in that: The motor (15) is a micro motor (15), and the motor (15) is a waterproof motor (15).