Magnetostrictive liquid level sensor and fixing device thereof

Abstract

The invention provides a fixing device of a magnetostrictive liquid level sensor. The magnetostrictive liquid level sensor comprises a measuring rod, wherein the end of the measuring rod is provided with a rigid section and a threaded section, the fixing device comprises a guiding structure and a limiting block, the end of the measuring rod is arranged in the guiding structure and can vertically move under the guiding effect of the guiding structure, the limiting block is arranged in the guiding structure and is provided with a threaded hole, the limiting block is installed at the threaded section in a screwed mode, and the fixing device can be fixed to the bottom of a liquid storage container. The fixing device can keep the bottom of the magnetostrictive liquid level sensor including the measuring rod straight and non-swinging, the application range of the magnetostrictive liquid level sensor can be greatly widened, and the service life of the measuring rod can be prolonged. The invention further provides the magnetostrictive liquid level sensor. The sensor includes the fixing device and is wide in application range and long in service life.

Description

technical field [0001] The invention belongs to the technical field of liquid level sensors, in particular to a magnetostrictive liquid level sensor and its fixing device. Background technique [0002] Magnetostrictive liquid level sensor is used for continuous measurement of liquid level and interface. In addition, the application field of magnetostrictive liquid level sensor is also very wide, including: petroleum, chemical raw material storage, industrial process, biochemistry, medicine, food and beverage, tank farm management and underground storage of gas stations, etc. Level industrial measurement and control, can also be used in dam water level, reservoir water level monitoring and sewage treatment and other fields. [0003] The structural part of the magnetostrictive liquid level sensor is composed of stainless steel tube (measuring rod), magnetostrictive wire (waveguide wire), movable float (with permanent magnet inside) and other parts. When the sensor is working...

AI Technical Summary

Problems solved by technology

Although this method can keep the measuring rod straight and can always be tensioned, its application scope can only be the liquid tank in a static state, but for the ship field, because the ship floating on the water is easily affected by the water waves and shakes, In turn, it will cause the weight to follow the swing, so that the measurement effect of the liquid level is not good or even impossible to measure; There is a certain space, so the measurement dead zone of the entire sensor is relatively large

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