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Inductive sensor separated buoy applicable to viscous liquid level measurement

An inductive, split-type technology, applied in the direction of the buoy liquid level indicator, etc., can solve the problems of not being able to reflect the change of the liquid level in time, the overall replacement is time-consuming, laborious and expensive, and the sensitivity of the buoy response is reduced, so as to reduce the relative movement area, The effect of reducing the coefficient of friction and increasing the gap

Active Publication Date: 2019-01-08
南京西巨电子技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing float design causes the force F to be the largest in liquids of the same viscosity
The result in practical application is that the response sensitivity of the buoy decreases, and it cannot reflect the change of the liquid level in time.
What is more common is that the float ball is completely stuck to the measuring rod due to excessive force F, and the liquid level sensor completely fails, and the overall replacement is time-consuming, laborious and expensive

Method used

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  • Inductive sensor separated buoy applicable to viscous liquid level measurement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: a kind of stainless steel, or aluminum alloy, or polyethylene PE, or polypropylene PP, or polyvinyl chloride PVC, or polystyrene PS, or ABS resin, or polycarbonate PC, or polyamide PA, or Buoys made of polyoxymethylene POM or modified polyphenylene ether PPS. The shape of the float is a sphere, or a spheroid, or a cylinder, or a cylinder, or a prism, or a prism, or a prism, or a prism, or a gear tooth, or an outer contour It is a smooth solid of non-circular curve / variable curvature curve, or dish-shaped, or teardrop-shaped, or petal-shaped, and there are 1 or 2 or 3 or 4...or k cavities in the float, where k is greater than A natural number equal to 5. Or there is no cavity in the float, but a homogeneous solid. At this time, the density of the material of the float is less than that of the liquid in which it is located. The thickness of the socket ring is between 1mm and 100mm. The projection shape of the center hole of the socket ring on the horizont...

Embodiment 2

[0038] Embodiment 2: a kind of stainless steel, or aluminum alloy, or polyethylene PE, or polypropylene PP, or polyvinyl chloride PVC, or polystyrene PS, or ABS resin, or polycarbonate PC, or polyamide PA, or Buoys made of polyoxymethylene POM or modified polyphenylene ether PPS. The shape of the float is a sphere, or a spheroid, or a cylinder, or a cylinder, or a prism, or a prism, or a prism, or a prism, or a gear tooth, or an outer contour It is a smooth solid of non-circular curve / variable curvature curve, or dish-shaped, or teardrop-shaped, or petal-shaped, and there are 1 or 2 or 3 or 4...or k cavities in the float, where k is greater than A natural number equal to 5. Or there is no cavity in the float, but a homogeneous solid. At this time, the density of the material of the float is less than that of the liquid in which it is located. The thickness of the sleeve ring is between 1mm and 100mm. The projection shape of the center hole of the sleeve ring on the horizont...

Embodiment 3

[0039] Embodiment 3: a kind of stainless steel, or aluminum alloy, or polyethylene PE, or polypropylene PP, or polyvinyl chloride PVC, or polystyrene PS, or ABS resin, or polycarbonate PC, or polyamide PA, or Buoys made of polyoxymethylene POM or modified polyphenylene ether PPS. The shape of the float is a sphere, or a spheroid, or a cylinder, or a cylinder, or a prism, or a prism, or a prism, or a prism, or a gear tooth, or an outer contour It is a smooth solid of non-circular curve / variable curvature curve, or dish-shaped, or teardrop-shaped, or petal-shaped, and there are 1 or 2 or 3 or 4...or k cavities in the float, where k is greater than A natural number equal to 5. Or there is no cavity in the float, but a homogeneous solid. At this time, the density of the material of the float is less than that of the liquid in which it is located. The thickness of the sleeve ring is between 1mm and 100mm. The projected shape of the center hole of the sleeve ring on the horizonta...

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Abstract

The invention discloses an inductive sensor separated buoy applicable to viscous liquid level measurement. Through separated design of a sleeving ring and a floater, gaps between the buoy and a measurement rod are increased, a superposition area is reduced, when the buoy and the measurement rod carry out relative motion in viscous liquid, viscous force is reduced, and the motion is free and smooth.

Description

technical field [0001] The invention relates to a split buoy used in an inductive sensor for viscous liquid level measurement, and belongs to the technical field of instruments. Background technique [0002] Viscosity is the degree of viscosity and the primary function of materials, also known as dynamic viscosity, viscosity (stiction) coefficient, and internal friction coefficient. Different substances have different viscosities. For example, at normal temperature (20°C) and normal pressure, the viscosity of air is 0.018mPa s, that of gasoline is 0.65mPa s, that of water is 1 mPa s, and that of olive oil is 10 2 mPa·s, castor oil is 10 3 mPa·s, honey is 10 4 mPa·s, tar is 10 6 mPa·s, asphalt is 10 8 mPa s. [0003] viscosity Defined as the ratio of shear stress to shear strain gradient (the rate of change of shear strain with position) when the fluid is subjected to shear stress, the mathematical expression is: [0004] In the formula: is the shear stress, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/76
CPCG01F23/76
Inventor 龚大成车红昆
Owner 南京西巨电子技术有限公司
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