CN219223857U

CN219223857U - Automatic telescopic liquid level sensor with cleaning function

Info

Publication number: CN219223857U
Application number: CN202320519019.1U
Authority: CN
Inventors: 杜庆红; 贾永; 刘岳
Original assignee: Shandong Shandi Intelligent Technology Co ltd
Current assignee: Shandong Shandi Intelligent Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-06-20
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an automatic telescopic liquid level sensor with a cleaning function, which belongs to the technical field of liquid level detection equipment and comprises a liquid level sensor main body, wherein a driving mechanism is arranged on the liquid level sensor main body, a push rod is connected below the driving mechanism, a probe fixing block is connected below the push rod, two probes are arranged in the probe fixing block, a guide block is arranged below the probe fixing block, a probe extension pipe is connected below the guide block, the probes penetrate through the guide block and respectively extend out of the two probe extension pipes, the two probes are in contact with mud for detection, and the probes and the driving mechanism are electrically connected with a controller. The cleaning of the probe can be realized, and the accuracy of liquid level detection is ensured.

Description

Automatic telescopic liquid level sensor with cleaning function

Technical Field

The utility model relates to an automatic telescopic liquid level sensor with a cleaning function, and belongs to the technical field of liquid level detection equipment.

Background

There are two main types of sensors that can be used in the market at present to detect liquid level, one is a diffuse reflection laser sensor and the other is a liquid level sensor with a probe. Wherein the diffuse reflection laser sensor is subject to electromagnetic interference, and the detection accuracy is unstable. The liquid level sensor with the probe can hang up the mud on the probe along with the increase of the detection times of the mud when detecting the liquid level of the liquid with attachments such as mud, and the probe can lose the function of detecting the liquid level if the mud is not cleaned in time. In the prior art, special staff is required to clean the slurry, the cleaning is time-consuming and labor-consuming, the liquid level sensor does not have the function of cleaning the slurry, so that the next detection can be carried out after the detection is completed every time the detection probe is cleaned, the manpower and material resources are greatly wasted, and therefore, the technical problem that needs to be solved at present is solved by improving the structure of the liquid level sensor to enable the liquid level sensor to have the function of automatic cleaning.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an automatic telescopic liquid level sensor with a cleaning function, which can realize the cleaning of a probe and improve the accuracy of liquid level detection.

The utility model discloses an automatic telescopic liquid level sensor with a cleaning function, which comprises a liquid level sensor main body, wherein a driving mechanism is arranged on the liquid level sensor main body, a push rod is connected below the driving mechanism, a probe fixing block is connected below the push rod, two probes are arranged in the probe fixing block, a guide block is arranged below the probe fixing block, a probe extension pipe is connected below the guide block, the probes penetrate through the guide block and respectively penetrate out of the two probe extension pipes, the two probes are in contact with mud for detection, and a controller is electrically connected with the probes and the driving mechanism.

Further, the outside of mud level sensor still is equipped with annotates liquid equipment, annotate and be connected with the notes liquid valve on the liquid equipment, annotate liquid valve electrical connection controller.

Further, the driving mechanism is an air cylinder, a pneumatic electromagnetic valve is connected to the outside of the air cylinder, and the pneumatic electromagnetic valve is connected with the controller.

Further, two binding posts are arranged outside the probe fixing block, the two binding posts are connected with a controller port connecting wire, and the two probes are connected with the controller through the controller port connecting wire.

Further, the outside of cylinder is connected with cylinder intake pipe and cylinder outlet duct, cylinder intake pipe and cylinder outlet duct are connected with the air supply.

Further, the probe extension pipe is a teflon pipe.

Further, the controller is a PLC controller.

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

the automatic telescopic liquid level sensor with the cleaning function can clean mud on the probe when being applied to mud liquid level detection, the probe and the liquid injection valve are linked together during grouting, the liquid injection valve is opened, and the probe extends out of a certain position. After the probe detects the mud liquid level, the liquid injection valve is closed, the probe returns back into the teflon tube, and the probe and the teflon tube are tightly matched, so that when the probe returns back, the teflon tube plays a role in automatically cleaning the mud at the tail of the probe, thereby ensuring that the problem of hanging full mud at the bottom of the probe can not occur under the condition that the probe works for a long time, and therefore, the accuracy of detecting the mud liquid level can be ensured, and the molding rate of ceramic mold grouting is improved. Meanwhile, the liquid level sensor can also detect the liquid level of other liquid, and can realize the function of liquid level detection.

Drawings

FIG. 1 is a block diagram of an automatic telescopic liquid level sensor with a cleaning function in grouting;

FIG. 2 is a block diagram of the automatic telescopic liquid level sensor with cleaning function of the present utility model when no grouting is performed;

FIG. 3 is an electrical connection diagram of an automatic telescoping liquid level sensor with cleaning function according to the present utility model;

in the figure: 1. a cylinder; 2. a push rod; 3. a cylinder pushing block; 4. a probe fixing block; 5. a guide block; 6. the probe extends out of the pipe; 7. a probe; 8. binding posts; 9. a controller port connecting line; 10. a controller; 11. an air inlet pipe of the air cylinder; 12. an air outlet pipe of the air cylinder; 13. a liquid level sensor body.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1:

as shown in fig. 1-3, the automatic telescopic liquid level sensor with the cleaning function comprises a liquid level sensor main body 13, a driving mechanism is arranged on the liquid level sensor main body 13, a push rod 2 is connected below the driving mechanism, a probe fixing block 4 is connected below the push rod 2, two probes 7 are arranged in the probe fixing block 4, a guide block 5 is arranged below the probe fixing block 4, a probe extension pipe 6 is connected below the guide block 5, the probes 7 penetrate through the guide block 5 and respectively penetrate out of the two probe extension pipes 6, the two probes 7 are in contact with mud for detection, and the probes 7 and the driving mechanism are electrically connected with a controller 10.

The outside of the mud liquid level sensor is also provided with a liquid injection device, the liquid injection device is connected with a liquid injection valve, and the liquid injection valve is electrically connected with the controller 10.

The driving mechanism is an air cylinder 1, a push rod 2 is connected to the lower side of the air cylinder 1, an air cylinder push block 3 is connected to the lower side of the push rod 2, a pneumatic electromagnetic valve is connected to the outside of the air cylinder 1, and the pneumatic electromagnetic valve is connected with a controller 10.

The outside of probe fixed block 4 is equipped with two terminal 8, and two terminal 8 all are connected with controller port connecting wire 9, two probes 7 all are through controller port connecting wire 9 connection the controller 10.

The outside of the cylinder 1 is connected with a cylinder air inlet pipe 11 and a cylinder air outlet pipe 12, and the cylinder air inlet pipe 11 and the cylinder air outlet pipe 12 are connected with an air source.

The probe extension pipe 6 is a teflon pipe.

The controller 10 is a PLC controller.

The specific application of this embodiment is: in order to ensure the accuracy of the slurry liquid level, the slurry liquid level sensor of the utility model uses a cylinder as power and cooperates with a slurry valve to realize the automatic telescoping function of a probe 7 by using the principle of slurry conduction, the tail part of the probe 7 is provided with a tightly matched probe extension pipe 6, when the slurry liquid level is not detected, the probe 7 is arranged in the probe extension pipe 6, the probe 7 and the injection valve are linked together during grouting, the injection valve is opened, and the probe 7 extends out of a certain position. After the probe 7 detects the mud liquid level, the liquid injection valve is closed, the probe 7 is retracted into the probe extension pipe 6, and the probe 7 is tightly matched with the probe extension pipe 6, when the probe 7 is retracted, the probe extension pipe 6 plays a role in automatically cleaning mud at the tail of the probe 7, so that the problem that the bottom of the probe 7 is not full of mud under the condition that the probe 7 works for a long time is solved, the accuracy of detecting the mud liquid level can be guaranteed, and the molding rate of ceramic mold grouting is improved.

As shown in fig. 3, when the probe 7 does not work, the push rod 2 of the air cylinder is in a contracted state, the pneumatic electromagnetic valve is in a closed state, the probe 7 is retracted into the teflon tube, when the probe 7 is required to work, the PLC controller drives and controls the pneumatic electromagnetic valve to be opened, the push rod 2 of the air cylinder is ejected, the probe 7 extends out of the teflon tube, after the probe 7 contacts the slurry, an electric passage is formed between the two probes 7, so that an electric passage is formed between the COM end and the X input end of the PLC controller, the PLC controller receives an electric connection signal, the pneumatic electromagnetic valve is closed, the push rod 2 of the air cylinder 1 is retracted into the air cylinder 1, the probe 7 is retracted into the teflon tube, and the slurry liquid level monitoring work is completed.

Meanwhile, the liquid level sensor can also detect the liquid level of other liquid, and can realize the function of liquid level detection. Not limited to the manner described in this embodiment.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The liquid level sensor with the automatic telescopic cleaning function according to the embodiment of the utility model, which is described above with reference to the drawings, can realize the cleaning of the probe and improve the accuracy of liquid level detection. Solves the problems in the prior art. The present utility model is not limited to the embodiments described, but is capable of modification, alteration, replacement and variation in embodiments without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides an automatic telescopic area clearance function's liquid level sensor, includes liquid level sensor main part (13), its characterized in that: the liquid level sensor is characterized in that a driving mechanism is arranged on the liquid level sensor main body (13), a push rod (2) is connected to the lower portion of the driving mechanism, a probe fixing block (4) is connected to the lower portion of the push rod (2), two probes (7) are arranged in the probe fixing block (4), a guide block (5) is arranged below the probe fixing block (4), a probe extension pipe (6) is connected to the lower portion of the guide block (5), the probes (7) penetrate through the guide block (5) and respectively penetrate out of the two probe extension pipes (6), the two probes (7) are in contact with liquid for detection, and a controller (10) is electrically connected to the probes (7) and the driving mechanism.

2. The automatic telescopic cleaning function of a liquid level sensor of claim 1, wherein: the liquid level sensor is characterized in that liquid injection equipment is further arranged outside the liquid level sensor, a liquid injection valve is connected to the liquid injection equipment, and the liquid injection valve is electrically connected with a controller (10).

3. The automatic telescopic cleaning function of a liquid level sensor of claim 1, wherein: the driving mechanism is an air cylinder (1), a pneumatic electromagnetic valve is connected to the outside of the air cylinder (1), and the pneumatic electromagnetic valve is connected with a controller (10).

4. The automatic telescopic cleaning function of a liquid level sensor of claim 1, wherein: the outside of probe fixed block (4) be equipped with two terminal (8), two terminal (8) all are connected with controller port connecting wire (9), two probes (7) are through controller port connecting wire (9) connection controller (10).

5. A liquid level sensor with automatic telescopic cleaning function according to claim 3, wherein: the outside of cylinder (1) be connected with cylinder intake pipe (11) and cylinder outlet duct (12), cylinder intake pipe (11) and cylinder outlet duct (12) are connected with the air supply.

6. The automatic telescopic cleaning function of a liquid level sensor of claim 1, wherein: the probe extension pipe (6) is a teflon pipe.

7. The automatic telescopic cleaning function of a liquid level sensor of claim 1, wherein: the controller (10) is a PLC controller.