Anti-interference liquid level sensor

By absorbing the energy of liquid level fluctuations through a float and flow stabilizer structure, and combining it with magnet and Hall switch detection, the problem of measurement instability of liquid level sensors under complex working conditions is solved, realizing rapid, stable monitoring and accurate measurement of liquid level sensors.

CN224231042UActive Publication Date: 2026-05-12XIAN MINGLANG CONTROL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521316815.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-05-12
Estimated Expiration
2035-06-26

AI Technical Summary

Technical Problem

Existing liquid level sensors are susceptible to interference from liquid level fluctuations under complex operating conditions, leading to unstable measurements, frequent misjudgments, and affecting the safety and stability of system operation.

Method used

An anti-interference liquid level sensor was designed, which uses a float and flow stabilizer structure to absorb the energy of liquid level fluctuations, and uses a combination of magnet and Hall switch to detect the stability of liquid level, thereby reducing false triggering signals and improving signal stability.

Benefits of technology

It significantly shortens the duration of liquid level fluctuations, improves measurement accuracy and system stability, avoids equipment failures, and optimizes monitoring performance under complex operating conditions.

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Abstract

The utility model relates to the technical field of liquid level sensors, and discloses an anti-interference liquid level sensor which comprises a liquid level sensor body, a connecting line is fixedly connected to the top end of the liquid level sensor body, a main body frame is fixedly connected to the circular ring face of the liquid level sensor body in a sleeved mode, and strip rods are fixedly connected to the two ends of the main body frame. A mounting hole is formed in the top of the main body frame in a penetrating mode, a shaft rod is rotationally connected to the main body frame, through the overall design, the signal output stability can be remarkably improved, and by means of a fluctuation attenuation system in the auxiliary device, the liquid level fluctuation duration time can be greatly shortened; when the liquid level fluctuates, the system can actively absorb and dissipate fluctuation energy, so that the liquid level quickly recovers a stable state, and the situation that a sensor frequently triggers signals due to liquid level fluctuation is reduced; compared with the problem of unstable measured values in the prior art, by means of the design, the stability of output signals of the sensor can be improved, and reliable data support is provided for a system to accurately judge the liquid level state.
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