Anti-fog ultrasonic liquid level meter customized

Project Overview

Ultrasonic level gauges have been used in the field of industrial automation due to their non-contact measurement, high accuracy, fast response speed, and easy installation. However, in harsh environments, such as high humidity, high dust, oil mist, steam, etc., traditional ultrasonic liquid level meters are unable to accurately measure liquid level due to interference from mist. In order to solve this problem, anti-fog ultrasonic liquid level gauges specially designed for harsh environments have emerged.

The anti-fog ultrasonic level gauge effectively overcomes the interference of fog and ensures measurement accuracy through unique design and technology. This article will introduce in detail the principles, characteristics, applications and customization solutions of anti-fog ultrasonic level gauges, and provide some customization suggestions.

Principle of anti-fog ultrasonic level meter

The working principle of anti-fog ultrasonic level meter is based on the difference in propagation speed of ultrasonic waves in different media. When the ultrasonic sensor emits a sound wave, the sound wave will be reflected back on the liquid surface or solid surface. After the sensor receives the reflected wave, it calculates the distance of the liquid level based on the sound wave propagation time and sound speed. The anti-fog ultrasonic liquid level meter effectively overcomes the interference of fog through the following technical means:

1. Anti-interference algorithm

The anti-fog ultrasonic liquid level meter adopts the anti-interference algorithm. It can identify interference signals such as fog and filter them, extracting only effective reflection signals to ensure the accuracy of measurement results. Commonly used anti-interference algorithms include:

Adaptive filtering: By analyzing the spectral characteristics of acoustic signals, it identifies and filters out interference signals caused by fog. Multipath elimination: Simultaneously transmitting and receiving sound waves through multiple sets of sensors, and using signal processing technology to eliminate interference signals from different paths. Time domain gating technology: By controlling the emission and reception time of sound waves, only the reflected signal from the liquid surface is received to avoid fog interference.

2. Anti-fog shell

Anti-fog ultrasonic liquid level gauges usually use anti-fog shells. Through structural design and material selection, they can effectively prevent fog from entering the inside of the sensor and protect the sensor. Sensitive components are not affected. Common forms of anti-fog casings include:

Closed casing: A sealed structure is used to prevent fog from entering the interior. Ventilated shell: Through special ventilation design, the mist accumulated in the shell is discharged. Anti-fog film: Cover the sensor surface with a special anti-fog film to prevent fog from entering.

3. Heating device

In some special cases, a heating device can be used to prevent fog from condensing on the sensor surface. By heating the sensor, the temperature of the sensor surface can be kept above the dew point temperature, thus preventing fog condensation.

Features of anti-fog ultrasonic level gauges

In addition to the basic characteristics of traditional ultrasonic level gauges, anti-fog ultrasonic level gauges also have the following advantages:

1. The anti-interference algorithm and anti-fog structure adopted by the anti-fog ultrasonic liquid level meter effectively overcome the interference of fog and ensure the accuracy of measurement. Its measurement accuracy can reach ±1 mm, to meet the needs of various application scenarios.

2. High reliability

The anti-fog ultrasonic level gauge has undergone rigorous testing and verification and is highly reliable. It has strong anti-interference ability and can work stably even in harsh environments, ensuring long-term reliable operation.

3. Anti-corrosion

The anti-fog ultrasonic liquid level meter is made of corrosion-resistant materials, which can resist the erosion of various corrosive media and is suitable for various industrial scenarios.

4. Easy to install

The anti-fog ultrasonic level meter is easy and quick to install. It does not require maintenance and can be directly installed on the container for measurement. Its installation size is small and space-saving.

5. Safe and reliable

The anti-fog ultrasonic liquid level meter adopts non-contact measurement and will not come into contact with the measured medium, so it will not cause pollution or safety hazards. It is suitable for High temperature, high pressure, flammable and explosive and other dangerous environments.

Applications of anti-fog ultrasonic liquid level meters

Anti-fog ultrasonic liquid level meters are used in various industrial scenarios, including:

1. Chemical industry

In the chemical production process, the reaction and storage of various chemical substances require precise liquid level control. The anti-fog ultrasonic liquid level meter can accurately measure the liquid level of various chemical substances to ensure the safety and stability of the production process.

2. Petrochemical industry

The petrochemical industry involves a large number of volatile, flammable and explosive substances and requires highly accurate liquid level monitoring. The anti-fog ultrasonic liquid level meter can safely and reliably measure the liquid level of oil tanks, oil storage containers, gasoline tanks and other equipment to prevent leakage and explosion accidents.

3. Pharmaceutical industry

The pharmaceutical industry has strict requirements on the production environment. Anti-fog ultrasonic liquid level meters can accurately measure the liquid levels of various pharmaceutical liquids to ensure the quality of the pharmaceutical production process. and security.

4. Food and Beverage Industry

The food and beverage industry has high requirements for production hygiene and safety. The anti-fog ultrasonic liquid level meter can effectively measure the liquid level of various foods and beverages. Ensure product quality and prevent contamination.

5. Water treatment industry

The water treatment industry involves various sewage treatment and water quality monitoring. The anti-fog ultrasonic liquid level meter can accurately measure the liquid level of pools, sedimentation tanks and other equipment. , control the water treatment process and ensure water quality safety.

6. Electric power industry

The electric power industry needs to control the liquid level of boilers, water storage tanks and other equipment. The anti-fog ultrasonic liquid level meter can effectively measure the liquid level of the steam-water mixture. , ensuring the stability and safety of the power production process.

7. Other industries

In addition to the above-mentioned industries, anti-fog ultrasonic level gauges are also used in other industries, such as metallurgy, mining, agriculture, environmental protection and other fields, providing various Provides liquid level measurement and control services for industrial production processes.

Anti-fog ultrasonic liquid level gauge customization solution

In order to meet the special needs of different application scenariosIf required, the anti-fog ultrasonic liquid level meter can provide customized solutions according to the specific needs of customers. The customized solution mainly includes the following aspects:

1. Measuring range

Select an appropriate measuring range based on the size of the container and the range of liquid level changes. The measurement range refers to the minimum liquid level that the liquid level meter can measure, which is usually determined by the sensor installation height and the sound wave propagation distance.

2. Accuracy requirements

Choose an appropriate accuracy level based on the accuracy requirements of the application scenario. The accuracy level refers to the error range of liquid level meter measurement, which is usually determined by sensor resolution, sound velocity measurement accuracy and anti-interference algorithm.