Digital liquid level sensor

A liquid level sensor and sensor technology, applied in liquid level indicators for physical variable measurement, etc., can solve problems such as inability to match subsequent digital processing circuits, and achieve the effects of easy replacement, low cost, and simple production
CN102322918AInactive Publication Date: 2012-01-18TAIYUAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TAIYUAN UNIV OF TECH
Publication Date
2012-01-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a digital liquid level sensor, belonging to the technical field of measurement. The digital liquid level sensor is characterized in that the sensor is an integral throw-in-type digital liquid level sensor with an elastic cavity, the sensor consists of a sensing part, a shell and a transmitter 15, and the sensing part (see attached drawing 1) consists of a rubber molded box 1, a magnetic core 2, a coil 3, a spring 4 and an adjusting screw 5, wherein the rubber molded box 1 is a rubber elastic cavity which can be extended and retracted vertically, and the transmitter 15 and the sensing part are installed together. When being used, the digital liquid level sensor is directly thrown into liquid to be detected and is not required to be installed. Moreover, since the sensor outputs pulse digital signals, the sensor can be directly matched with subsequent digital processing circuits such as a computer, a single-chip microcomputer and the like. The digital liquid level sensor has the advantages of low manufacturing cost, simple range adjustment and convenience in use, is suitable for all fields of industry and agriculture and can be used for measuring the liquid level of all kinds of conductive and nonconductive liquid materials.
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Description

technical field

[0001] The invention relates to a digital liquid level sensor, which belongs to the technical field of measurement, and is an input-type digital liquid level sensor with an integrated structure of an elastic cavity to output a pulse signal, which can directly match with a subsequent digital processing circuit. It is suitable for measuring the liquid level of various conductive or non-conductive liquid materials, and has the advantages of simple structure, convenient installation, low cost, large measuring range and wide application range. Background technique

[0002] Sensors are sensing components for measuring various process parameters. There are various types of sensors, such as temperature, pressure, flow, liquid level, speed, voltage, current and other sensors. Common liquid level sensors have various forms such as differential pressure type, resistive type, capacitive type, ultrasonic type, radar type, and input type. Most of these sensors output analo...

Claims

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