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Liquid level alarm device for corrosive solution

A liquid level alarm and corrosive technology, applied in the direction of float level indicator, etc., can solve the problems of easy sticking of floats and high liquid level cost, and achieve the effect of solving easy sticking and reducing cost.

Inactive Publication Date: 2016-01-06
CHENGDU ZHONGSHAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve is the problem that the existing Hall device or the dry reed switch cooperates with the float to monitor the liquid level, the cost is high, and the float is easy to get stuck.

Method used

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  • Liquid level alarm device for corrosive solution
  • Liquid level alarm device for corrosive solution
  • Liquid level alarm device for corrosive solution

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Embodiment Construction

[0019] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0020] An embodiment of the present invention provides a liquid level alarm device for corrosive solutions, the liquid level alarm device for corrosive solutions includes an inductive feedback oscillating circuit, a circuit board with holes, and a float with an iron core and the alarm circuit, figure 2 It is a partial structural schematic diagram of monitoring the liquid level by using the liquid level alarm device for corrosive solution in this embodiment.

[0021] Specifically, the inductive feedback oscillation circuit includes two parts: the inductor 22 and other devices except the inductor 22 . The inductance 22 includes a main vibration coil, a feedback coil and a shaft frame, the main vibration coil and the feedback coil are wound on the shaft frame, the shaft frame i...

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Abstract

A liquid level alarm device for corrosive solution comprises an inductive feedback oscillation circuit, a circuit board having an opening hole, a floater having an iron core and an alarm circuit, wherein the inductive feedback oscillation circuit has inductance; the inductance has a main vibrating coil, a feedback coil and an axial skeleton; the main vibrating coil and the feedback coil wind the axial skeleton; the axial skeleton is connected with the circuit board; the center line of the opening hole is overlapped with a central axis of the axial skeleton; except for the inductance, the rest components of the inductive feedback oscillation circuit are all arranged on the circuit board; and the inductive feedback oscillation circuit is suitable to output a detection signal to trigger the alarm circuit to give an alarm when the floater rises with the liquid level to a preset height. The liquid level alarm device for corrosive solution requires low cost and prevents the floater from being buckled.

Description

technical field [0001] The invention relates to the technical field of liquid level monitoring, in particular to a liquid level alarm device for corrosive solutions. Background technique [0002] Liquid level monitoring methods are divided into contact liquid level monitoring and non-contact liquid level monitoring. Contact liquid level monitoring, that is, the sensor is in contact with the liquid to be detected. This method is relatively simple to implement, and is directly inserted into the liquid through a conductive probe or a conductive sheet. Using the conductivity of the liquid, the electrode signal will change accordingly, which triggers the signal processing circuit. When the electrode is energized in the liquid, an electrolytic chemical reaction will occur, and oxygen will be generated when the water is electrolyzed, which will easily breed bacteria for a long time. At the same time, the conductive electrodes will also be corroded, producing a large amount of met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/68
Inventor 李强彭恩文张建清
Owner CHENGDU ZHONGSHAN SCI & TECH
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