SU538236A1 - Liquid level sensor - Google Patents

Description

The invention relates to a measurement technique and can be used in various fields of industry for monitoring liquid levels with varying TeN values. Liquid level sensors are known that contain magnetic contacts R float with a magnet. The closest to the technical essence of the present invention is a liquid level sensor containing a magnetic pipe located in it and a magnetically controlled ring and ring ring with a magnet. The disadvantage of this sensor The level of operation is low with fluctuations | 1 and x temperature controlled by the fluid | due to the change in its specific gravity, which means that at the same level the float with the magnet occupies different positions relative to the magnetically controlled contacts, the invention is to improve the accuracy of the level measurement when the temperature of the controlled liquid is changed. For this, the float of the proposed level sensor is equipped with a temperature-sensitive element, for example, a sylphon, on which a magnet is placed, and the phone is located in the submerged part of the float and is filled with the liquid, the level of which is controlled. The drawing shows the proposed liquid level sensor. The liquid level sensor contains a pipe 1 of a non-magnetic material, placed in it a series of magnetically controlled strokes 2, an annular float 3 with a permanent magnet 4 located on the sensitive element, such as bellows b, filled with the same liquid, ypt ven which is controlled. The bell 5 is located in the lower, immersed part of the pop shop 3. A flange 6 and a plug-in connector 7 are intended for mounting the sensor. The liquid level sensor works very little. When measuring the level zhishostk ponlavok. 3 with magnet 4 moves along the tube: causing the corresponding