Probe structure of focused ultrasonic level meter

Abstract

The utility model relates to the technical field of ultrasonic level meters, in particular to a focused ultrasonic level meter probe structure which comprises an L-shaped mounting seat, a focused ultrasonic level meter body is arranged at the top of the L-shaped mounting seat, and a probe of the focused ultrasonic level meter body penetrates through the top of the L-shaped mounting seat. The bottom of the L-shaped mounting seat is provided with a dropping liquid cleaning piece for cleaning water drops at the bottom of the probe, the left side of the bottom of the L-shaped mounting seat is provided with a fixed vertical plate, the right side of the fixed vertical plate is provided with a heating assembly for melting ice blocks at the bottom of the probe, the right side of the fixed vertical plate is provided with a fixed transverse plate, and the top of the fixed transverse plate is provided with a camera for shooting the probe. According to the probe structure of the focused ultrasonic level meter, the problems that a probe is prone to being damaged or measurement is not accurate under the environment of high humidity, much steam and low temperature in winter are solved by combining the functions of water drop cleaning, heating deicing, real-time monitoring and the like, and the measurement accuracy and reliability of the focused ultrasonic level meter are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic level meter technical field, concretely is focus ultrasonic level meter probe structure. BACKGROUND

[0002] Focus ultrasonic level meter is a kind of high-precision instrument based on ultrasonic propagation time difference and measures material level, is widely used in industrial automation field, such as petrochemical, chemical, food processing and water treatment etc.Industry.Its basic working principle is through transducer to emit ultrasonic signal, when ultrasonic signal meets liquid or solid surface and reflects back probe, again through the time difference of emission and reception signal to determine material level height.Compared with ordinary ultrasonic level meter, focus ultrasonic level meter utilizes special acoustic focusing technology, makes ultrasonic energy more concentrated, signal intensity is higher, while significantly reduces the interference of surrounding environmental noise, its measurement precision and stability are especially suitable for complex working condition scene.

[0003] The probe of focus ultrasonic level meter is the core component of equipment, usually by transducer unit, acoustic lens and shell composition.Transducer unit is responsible for emitting and receiving ultrasonic signal, acoustic lens or curved transducer is used to realize the focusing characteristics of ultrasonic wave, and the shell is protected and shielded.However, complex environmental factors often accompany in industrial field, such as high temperature, high humidity, steam and corrosive medium etc., especially in liquid storage tank or chemical reaction kettle etc.Application scene, a large amount of steam produced by liquid evaporation will gradually condense into droplets on the probe surface.These droplets will change the propagation path of ultrasonic wave, cause signal attenuation or echo distortion, and then affect the accuracy of measurement.

[0004] In addition, in winter low temperature environment, the droplets condensed on the probe surface can freeze to form ice layer, which not only further hinders the propagation of ultrasonic signal, but also can cause the damage of probe surface to mechanical stress, shortens the service life of equipment.The condensation and freezing problem of droplet is the outstanding problem that focus ultrasonic level meter probe faces in practical application, especially in the case of more steam or long-term in low temperature environment, the prior art still lacks effective solution, so that the reliability and stability of measurement data are difficult to guarantee, in view of this, we propose focus ultrasonic level meter probe structure. UTILITY MODEL CONTENT

[0005] The utility model aims at providing focus ultrasonic level meter probe structure to solve the problems in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The probe structure of the focused ultrasonic level meter comprises an L-shaped mounting seat for fixing the body of the focused ultrasonic level meter and the probe thereof, and provides a stable support structure. The top of the L-shaped mounting seat is provided with the body of the focused ultrasonic level meter, which is used for generating and receiving ultrasonic signals. The time difference of ultrasonic propagation is calculated to realize level measurement, and the body of the focused ultrasonic level meter is the core measurement component of the whole device. The probe of the body of the focused ultrasonic level meter penetrates through the top of the L-shaped mounting seat and extends from the body of the focused ultrasonic level meter, which is used for transmitting and receiving ultrasonic signals. The bottom of the probe is easily affected by water droplets or ice blocks, which affects the measurement accuracy. Therefore, the probe bottom needs to be cleaned and heated by cooperating with a droplet cleaning piece and a heating assembly.

[0008] The bottom of the L-shaped mounting seat is provided with a droplet cleaning piece for cleaning water droplets on the bottom of the probe. The left side of the bottom of the L-shaped mounting seat is provided with a fixed vertical plate for supporting and fixing the heating assembly and a fixed horizontal plate, which provides a stable mounting platform for the heating assembly. The right side of the fixed vertical plate is provided with a heating assembly for melting ice blocks on the bottom of the probe, which is used for heating the bottom of the probe to remove ice blocks. The right side of the fixed vertical plate and the position close to the bottom are provided with a fixed horizontal plate. The top of the fixed horizontal plate and the position close to the right end are provided with a camera for shooting the probe. The motor, the electric telescopic rod and the camera are all controlled wirelessly, and are connected to an external power supply. The camera is used for real-time monitoring of the working state of the probe, which is convenient for detecting whether there are water droplets or ice blocks and whether the equipment is running normally.

[0009] Preferably, a plurality of waist-shaped holes are formed in the left side of the L-shaped mounting seat for the bolts to pass through, which facilitates installation and position adjustment. The top of the L-shaped mounting seat is provided with a mounting hole for the probe to penetrate and fix, which ensures that the probe can work normally and keep positioning.

[0010] Preferably, the droplet cleaning piece comprises a circular shell fixedly connected to the bottom of the L-shaped mounting seat. The circular shell is provided with a motor inside. The motor serves as the power source of the droplet cleaning piece. The output shaft of the motor drives the rotating rod to rotate, so that the rubber scraper cleans the bottom of the probe. The output shaft of the motor penetrates through the bottom of the inner wall of the circular shell and is connected with the rotating rod, which is used for transmitting the rotating force of the motor to drive the rubber scraper to clean the bottom of the probe. The top of the rotating rod is provided with a rubber scraper. When the rotating rod rotates, the top of the rubber scraper is attached to and scraped off the bottom of the probe, which is used for scraping off the water droplets on the bottom to ensure the dryness of the surface of the probe and the stability of signal transmission.

[0011] Preferably, the heating assembly comprises an electric telescopic rod fixedly connected to the right side of the fixed vertical plate. The electric heating plate is driven to move left and right by the electric telescopic rod. The movable rod of the electric telescopic rod is fixedly connected with the electric heating plate, which is used for heating the bottom of the probe to melt the ice blocks condensed due to low temperature, so as to ensure that the probe can work normally.

[0012] Preferably, the heating assembly further comprises two circular fixing tubes arranged in front and back symmetry, left ends of the circular fixing tubes are fixedly connected to the right side of the fixed vertical plate, a positioning rod is slidably connected in each of the two circular fixing tubes, and a right end of the positioning rod is fixedly connected to the left side of the electric heating plate, for supporting the electric heating plate and assisting the stable left and right movement of the electric heating plate.

[0013] Preferably, the electric heating plate is located below the rotating rod, avoiding hindering the rotation of the rotating rod.

[0014] Preferably, when the movable rod of the electric telescopic rod is completely retracted, the electric heating plate is located directly below the circular shell, avoiding hindering the work of the probe, and when the movable rod of the electric telescopic rod is completely extended, the electric heating plate is located directly below the probe, ensuring that the electric heating plate can heat the bottom of the probe to melt the ice.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The probe structure of the focused ultrasonic level meter is provided with a liquid drop cleaning piece, a motor drives a rotating rod to rotate, a rubber scraper plate is attached to and scrapes off water drops on the bottom of the probe, and the surface of the probe is ensured to be dry. This design significantly reduces the problems of ultrasonic wave propagation path change and signal attenuation caused by liquid drops, thereby improving the measurement accuracy and stability of the focused ultrasonic level meter, and the effect is more significant in an environment with high humidity and more steam.

[0017] 2. The probe structure of the focused ultrasonic level meter is provided with a heating assembly, an electric telescopic rod is used to adjust the position of an electric heating plate, the bottom of the probe is heated, ice accumulated in a low-temperature environment is effectively melted, ice layer is avoided to hinder ultrasonic wave signal propagation, normal operation of the equipment in a winter low-temperature environment is ensured, and the service life of the probe is prolonged.

[0018] 3. The probe structure of the focused ultrasonic level meter is provided with a camera on the top of a fixed horizontal plate, for monitoring the working state of the probe in real time, including whether there are water drops or ice accumulation and whether the equipment is operating normally. This design helps to discover abnormal conditions in time, reduces the frequency of manual inspection, and improves the equipment maintenance efficiency and operation safety.

[0019] 4. The probe structure of the focused ultrasonic level meter combines the functions of cleaning water drops, heating and deicing, and real-time monitoring, solves the problem that the probe is easily damaged or measurement is inaccurate in an environment with high humidity, more steam and winter low temperature, and greatly improves the measurement accuracy and reliability of the focused ultrasonic level meter. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole first visual angle structure schematic view of the utility model.

[0021] Figure 2 It is the whole second visual angle structure schematic view of the utility model;

[0022] Figure 3 It is the whole use state structure schematic view of the utility model;

[0023] Figure 4 It is the partial structure schematic view of the utility model;

[0024] In the figure: 1, L-shaped mounting seat;10, waist-shaped hole;11, mounting hole;2, focused ultrasonic wave material level meter body;3, probe;4, drop liquid cleaning piece;40, circular shell;41, motor;42, rotating rod;43, rubber scraper;5, fixed vertical plate;50, fixed horizontal plate;6, heating assembly;60, electric telescopic rod;61, electric heating plate;62, circular fixed tube;63, positioning rod;7, camera. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0028] The probe structure of the focused ultrasonic level meter comprises an L-shaped mounting seat 1 for fixing the body 2 of the focused ultrasonic level meter and the probe 3 thereof, providing a stable support structure, the top of the L-shaped mounting seat 1 is provided with the body 2 of the focused ultrasonic level meter, which is used for generating and receiving ultrasonic signals, and the time difference of ultrasonic propagation is calculated to realize level measurement, which is the core measurement component of the whole device, the probe 3 of the body 2 of the focused ultrasonic level meter penetrates through the top of the L-shaped mounting seat 1, the probe 3 is extended from the body 2 of the focused ultrasonic level meter, which is used for transmitting and receiving ultrasonic signals, and the bottom of the probe 3 is easily affected by water droplets or ice blocks to affect the measurement accuracy, so it is necessary to cooperate with the liquid cleaning piece 4 and the heating assembly 6 for cleaning and heating treatment.

[0029] The bottom of the L-shaped mounting seat 1 is provided with the liquid cleaning piece 4 for cleaning the water droplets on the bottom of the probe 3, the left side of the bottom of the L-shaped mounting seat 1 is provided with the fixed vertical plate 5 for supporting and fixing the heating assembly 6 and the fixed horizontal plate 50, providing a stable mounting platform for them, the right side of the fixed vertical plate 5 is provided with the heating assembly 6 for melting the ice blocks on the bottom of the probe 3, which is used for heating the bottom of the probe 3 to remove the ice blocks, the right side of the fixed vertical plate 5 and the position close to the bottom are provided with the fixed horizontal plate 50, the top of the fixed horizontal plate 50 and the position close to the right end are provided with the camera 7 for shooting the probe 3, the motor 41, the electric telescopic rod 60 and the camera 7 are all controlled wirelessly and work with external power supply, the camera 7 is used for real-time monitoring of the working state of the probe 3, which is convenient for detecting whether there are water droplets or ice blocks and whether the equipment is running normally.

[0030] In this embodiment, a plurality of waist-shaped holes 10 are formed in the left side of the L-shaped mounting seat 1 for the bolts to pass through, which facilitates installation and position adjustment, and the top of the L-shaped mounting seat 1 is provided with the mounting hole 11 for the probe 3 to pass through and be fixed, which ensures that the probe 3 can work normally and be positioned.

[0031] Specifically, the liquid cleaning piece 4 comprises a circular shell 40 fixedly connected to the bottom of the L-shaped mounting seat 1, the circular shell 40 is provided with the motor 41, the motor 41 is used as the power source of the liquid cleaning piece 4, the output shaft of the motor 41 drives the rotating rod 42 to rotate, and the rubber scraper 43 is used to clean the bottom of the probe 3, the output shaft of the motor 41 penetrates through the bottom of the inner wall of the circular shell 40 and is connected with the rotating rod 42, which is used to transmit the rotating force of the motor 41 and drive the rubber scraper 43 to the bottom of the probe 3 for cleaning, the top of the rotating rod 42 is provided with the rubber scraper 43, when the rotating rod 42 rotates, the top of the rubber scraper 43 is attached to and scraped off the bottom of the probe 3, which is used to scrape off the water droplets on the bottom, ensuring the dryness of the surface of the probe 3 and the stability of signal transmission.

[0032] Further, the heating assembly 6 comprises an electric telescopic rod 60 fixedly connected to the right side of the fixed vertical plate 5, and the electric heating plate 61 is driven to move left and right through the electric telescopic rod 60. The movable rod of the electric telescopic rod 60 is fixedly connected with the electric heating plate 61, which is used for heating the bottom of the probe 3 to melt the ice condensed due to low temperature, so as to ensure the normal work of the probe 3.

[0033] Further, the heating assembly 6 further comprises two circular fixed pipes 62 arranged in front and back symmetry. The left end of the circular fixed pipe 62 is fixedly connected to the right side of the fixed vertical plate 5. The two circular fixed pipes 62 are both slidably connected with a positioning rod 63. The right end of the positioning rod 63 is fixedly connected to the left side of the electric heating plate 61, which is used for supporting the electric heating plate 61 and assisting it to move left and right stably.

[0034] Further, the electric heating plate 61 is located below the rotating rod 42 to avoid hindering the rotation of the rotating rod 42.

[0035] Further, when the movable rod of the electric telescopic rod 60 is completely retracted, the electric heating plate 61 is located directly below the circular shell 40 to avoid hindering the work of the probe 3. When the movable rod of the electric telescopic rod 60 is completely extended, the electric heating plate 61 is located directly below the probe 3, so as to ensure that the electric heating plate 61 can heat the bottom of the probe 3 to melt the ice.

[0036] The probe structure of the focused ultrasonic level meter of the embodiment is used as follows: first, the L-shaped mounting seat 1 is fixed at a specified position of a target device, the position of the mounting seat is adjusted through the waist-shaped hole 10, and the mounting seat is fixed by bolts to ensure stability, the probe 3 passes through the top of the L-shaped mounting seat 1 through the mounting hole 11 to ensure that the probe 3 is located at a correct measurement position, after the focused ultrasonic level meter body 2 is started, the transmission and reception functions of ultrasonic signals are debugged, measurement parameters are set, the liquid drop cleaning piece 4 is debugged, the motor 41 is started to drive the rotating rod 42 to rotate, the rubber scraper 43 is driven to scrape off water drops from the bottom of the probe 3, whether the cleaning function is normal is checked, the heating assembly 6 is debugged, the position of the electric heating plate 61 is adjusted through the electric telescopic rod 60 to ensure that the electric heating plate 61 can be accurately moved to the bottom of the probe 3 and heated, and the heating effect is checked at the same time, the camera 7 is started, whether the camera 7 can monitor the state of the probe 3 in real time is confirmed, and it is ensured that the picture is clear and correct, in the daily use process, when water drops are generated from the bottom of the probe 3 due to moisture or steam, the liquid drop cleaning piece 4 is started, the rotating rod 42 and the rubber scraper 43 are driven by the motor 41 to scrape off the water drops, it is ensured that the surface of the probe 3 is dry to ensure stable propagation of ultrasonic signals, in a low-temperature environment in winter, when ice blocks are formed from the bottom of the probe 3 due to condensation, the heating assembly 6 is started, the electric telescopic rod 60 is extended to move the electric heating plate 61 to the bottom of the probe 3, the ice blocks are quickly melted by heating, and the movement of the electric heating plate 61 is stabilized through the circular fixing tube 62 and the positioning rod 63, in the process of operation of the device, the camera 7 monitors the working state of the probe 3 in real time, and it is convenient to find whether there are abnormal conditions such as water drops or ice block accumulation and to process in time.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A focused ultrasonic level gauge probe structure comprising an L-shaped mounting base (1), characterised in that: The top of the L-shaped mounting base (1) is provided with a focused ultrasonic level meter body (2), the probe (3) of the focused ultrasonic level meter body (2) penetrates through the top of the L-shaped mounting base (1), the bottom of the L-shaped mounting base (1) is provided with a drop cleaning piece (4) for cleaning water droplets on the bottom of the probe (3), the left side of the bottom of the L-shaped mounting base (1) is provided with a fixed vertical plate (5), the right side of the fixed vertical plate (5) is provided with a heating assembly (6) for melting ice blocks on the bottom of the probe (3), the right side of the fixed vertical plate (5) and close to the bottom is provided with a fixed horizontal plate (50), and the top of the fixed horizontal plate (50) and close to the right end is provided with a camera (7) for shooting the probe (3).

2. The focused ultrasonic tank gauge probe structure of claim 1, wherein: A plurality of waist-shaped holes (10) for bolts are formed in the left side of the L-shaped mounting base (1), and a mounting hole (11) for the probe (3) is formed in the top of the L-shaped mounting base (1).

3. The focused ultrasonic tank gauge probe structure of claim 1, wherein: The drop cleaning piece (4) comprises a circular shell (40) fixedly connected to the bottom of the L-shaped mounting base (1), a motor (41) is arranged in the circular shell (40), an output shaft of the motor (41) penetrates through the bottom of the inner wall of the circular shell (40) and is connected with a rotating rod (42), and a rubber scraper (43) is arranged on the top of the rotating rod (42), when the rotating rod (42) rotates, the top of the rubber scraper (43) is attached to and scraped from the bottom of the probe (3).

4. The focused ultrasonic tank gauge probe structure of claim 1, wherein: The heating assembly (6) comprises an electric telescopic rod (60) fixedly connected to the right side of the fixed vertical plate (5), and an electric heating plate (61) is fixedly connected to the movable rod of the electric telescopic rod (60).

5. The focused ultrasonic tank gauge probe structure of claim 4, wherein: The heating assembly (6) further comprises two circular fixed tubes (62) arranged in front and back symmetry, the left end of the circular fixed tube (62) is fixedly connected to the right side of the fixed vertical plate (5), a positioning rod (63) is slidably connected in each of the two circular fixed tubes (62), and the right end of the positioning rod (63) is fixedly connected to the left side of the electric heating plate (61).

6. The focused ultrasonic tank gauge probe structure of claim 4, wherein: The electric heating plate (61) is located below the rotating rod (42).

7. The focused ultrasonic tank gauge probe structure of claim 4, wherein: When the movable rod of the electric telescopic rod (60) is fully retracted, the electric heating plate (61) is located directly below the circular shell (40), and when the movable rod of the electric telescopic rod (60) is fully extended, the electric heating plate (61) is located directly below the probe (3).

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